diff --git a/.env.example b/.env.example
index cd3440e..f4470d1 100644
--- a/.env.example
+++ b/.env.example
@@ -93,6 +93,5 @@ FFMPEG_BIN=
 # NEXT_PUBLIC_RESTRICT_USER_API_KEYS=true
 # NEXT_PUBLIC_DEFAULT_TTS_PROVIDER=custom-openai
 # NEXT_PUBLIC_DEFAULT_TTS_MODEL=kokoro
-# NEXT_PUBLIC_SHOW_ALL_DEEPINFRA_MODELS=true
 # NEXT_PUBLIC_ENABLE_AUDIOBOOK_EXPORT=true
 # NEXT_PUBLIC_ENABLE_WORD_HIGHLIGHT=false
diff --git a/docs-site/docs/configure/admin-panel.md b/docs-site/docs/configure/admin-panel.md
index 4def5a3..01e0d23 100644
--- a/docs-site/docs/configure/admin-panel.md
+++ b/docs-site/docs/configure/admin-panel.md
@@ -67,7 +67,6 @@ Runtime-editable settings, one row per key:
 | `defaultTtsProvider` | Default provider id new users start with (built-in id or shared slug). |
 | `restrictUserApiKeys` | Restrict user-supplied API keys/base URLs; when `true`, only admin shared providers are allowed. |
 | `enableTtsProvidersTab` | Whether the user-facing TTS Provider tab in Settings is shown. |
-| `showAllDeepInfraModels` | Show the full DeepInfra catalog vs. the Kokoro-only subset. |
 | `showAllProviderModels` | When `false`, users are restricted to each provider's default model (shared provider `defaultModel` or built-in provider default). |
 | `enableWordHighlight` | Enable whisper.cpp word-by-word highlighting during TTS playback. |
 | `enableAudiobookExport` | Show the audiobook export entry points on PDF/EPUB pages. |
diff --git a/docs-site/docs/deploy/vercel-deployment.md b/docs-site/docs/deploy/vercel-deployment.md
index 43fdce5..a32c0e3 100644
--- a/docs-site/docs/deploy/vercel-deployment.md
+++ b/docs-site/docs/deploy/vercel-deployment.md
@@ -56,7 +56,6 @@ After the first successful deploy and admin login, open **Settings → Admin** a
   - `restrictUserApiKeys=true` to block user BYOK through the hosted server.
   - `defaultTtsProvider=replicate` (or your preferred shared slug).
   - `showAllProviderModels=false` if you want users locked to each provider's default model.
-  - `showAllDeepInfraModels=false` if you want a narrower default catalog.
   - `enableAudiobookExport=true`.
   - `enableWordHighlight=false` unless your timestamp stack is configured.
 
diff --git a/docs-site/docs/reference/environment-variables.md b/docs-site/docs/reference/environment-variables.md
index 8fb4db7..3aff3e1 100644
--- a/docs-site/docs/reference/environment-variables.md
+++ b/docs-site/docs/reference/environment-variables.md
@@ -405,12 +405,6 @@ Sets the default TTS provider for new users.
 
 `showAllProviderModels` is a runtime-only admin setting (no env seed). Configure it in **Settings → Admin → Site features**.
 
-### NEXT_PUBLIC_SHOW_ALL_DEEPINFRA_MODELS
-
-Controls whether the DeepInfra model list shows all models or just the free tier when no API key is set.
-
-- Default: `true` (show all)
-- Runtime key: `showAllDeepInfraModels`
 
 ### NEXT_PUBLIC_ENABLE_AUDIOBOOK_EXPORT
 
diff --git a/docs-site/versioned_docs/version-v2.0.0/deploy/vercel-deployment.md b/docs-site/versioned_docs/version-v2.0.0/deploy/vercel-deployment.md
index ebe0b6c..31dd142 100644
--- a/docs-site/versioned_docs/version-v2.0.0/deploy/vercel-deployment.md
+++ b/docs-site/versioned_docs/version-v2.0.0/deploy/vercel-deployment.md
@@ -34,7 +34,6 @@ NEXT_PUBLIC_ENABLE_DOCX_CONVERSION=false
 NEXT_PUBLIC_ENABLE_DESTRUCTIVE_DELETE_ACTIONS=false
 NEXT_PUBLIC_DEFAULT_TTS_PROVIDER=deepinfra
 NEXT_PUBLIC_DEFAULT_TTS_MODEL=hexgrad/Kokoro-82M
-NEXT_PUBLIC_SHOW_ALL_DEEPINFRA_MODELS=false
 NEXT_PUBLIC_ENABLE_AUDIOBOOK_EXPORT=true
 NEXT_PUBLIC_ENABLE_WORD_HIGHLIGHT=false
 # Optional (non-AWS S3-compatible providers):
@@ -49,7 +48,6 @@ We recommend setting these defaults for a production-like environment:
 - `NEXT_PUBLIC_ENABLE_DESTRUCTIVE_DELETE_ACTIONS=false`: Hides destructive "Delete All" actions
 - `NEXT_PUBLIC_DEFAULT_TTS_PROVIDER=deepinfra`: Points default TTS to a scalable provider
 - `NEXT_PUBLIC_DEFAULT_TTS_MODEL=hexgrad/Kokoro-82M`: Uses a high-quality default model
-- `NEXT_PUBLIC_SHOW_ALL_DEEPINFRA_MODELS=false`: Restricts usage to free models if no key is provided
 - `NEXT_PUBLIC_ENABLE_AUDIOBOOK_EXPORT=true`: (Optional) Controls audiobook export UI
 - `NEXT_PUBLIC_ENABLE_WORD_HIGHLIGHT=false`: (Optional) Controls word highlighting UI (requires timestamp backend)
 :::
diff --git a/docs-site/versioned_docs/version-v2.0.0/reference/environment-variables.md b/docs-site/versioned_docs/version-v2.0.0/reference/environment-variables.md
index 152d693..8925f84 100644
--- a/docs-site/versioned_docs/version-v2.0.0/reference/environment-variables.md
+++ b/docs-site/versioned_docs/version-v2.0.0/reference/environment-variables.md
@@ -13,7 +13,6 @@ This is the single reference page for OpenReader environment variables.
 | `NEXT_PUBLIC_ENABLE_DESTRUCTIVE_DELETE_ACTIONS` | Client feature flags | `true` unless set to `false` | Set `false` to hide destructive actions |
 | `NEXT_PUBLIC_DEFAULT_TTS_PROVIDER` | Client feature flags | `custom-openai` | Override default TTS provider |
 | `NEXT_PUBLIC_DEFAULT_TTS_MODEL` | Client feature flags | `kokoro` | Override default TTS model |
-| `NEXT_PUBLIC_SHOW_ALL_DEEPINFRA_MODELS` | Client feature flags | `true` unless set to `false` | Set `false` to restrict DeepInfra models |
 | `NEXT_PUBLIC_ENABLE_AUDIOBOOK_EXPORT` | Client feature flags | `true` unless set to `false` | Set `false` to hide audiobook export UI |
 | `NEXT_PUBLIC_ENABLE_WORD_HIGHLIGHT` | Client feature flags | `true` unless set to `false` | Set `false` to disable word highlight + alignment |
 | `API_BASE` | TTS provider | none | Point to your OpenAI-compatible TTS base URL |
@@ -376,13 +375,6 @@ Absolute path or executable name for the ffmpeg binary used by audiobook/process
  
  - Default: `kokoro`
  - Example values: `hexgrad/Kokoro-82M`, `tts-1`
- 
- ### NEXT_PUBLIC_SHOW_ALL_DEEPINFRA_MODELS
- 
- Controls whether the DeepInfra model list shows all models or just the free tier when no API key is set.
- 
- - Default: `true` (show all)
- - Set `false` to restrict to free tier models when no API key is provided
 
 ### NEXT_PUBLIC_ENABLE_AUDIOBOOK_EXPORT
 
diff --git a/docs-site/versioned_docs/version-v2.0.1/deploy/vercel-deployment.md b/docs-site/versioned_docs/version-v2.0.1/deploy/vercel-deployment.md
index ebe0b6c..31dd142 100644
--- a/docs-site/versioned_docs/version-v2.0.1/deploy/vercel-deployment.md
+++ b/docs-site/versioned_docs/version-v2.0.1/deploy/vercel-deployment.md
@@ -34,7 +34,6 @@ NEXT_PUBLIC_ENABLE_DOCX_CONVERSION=false
 NEXT_PUBLIC_ENABLE_DESTRUCTIVE_DELETE_ACTIONS=false
 NEXT_PUBLIC_DEFAULT_TTS_PROVIDER=deepinfra
 NEXT_PUBLIC_DEFAULT_TTS_MODEL=hexgrad/Kokoro-82M
-NEXT_PUBLIC_SHOW_ALL_DEEPINFRA_MODELS=false
 NEXT_PUBLIC_ENABLE_AUDIOBOOK_EXPORT=true
 NEXT_PUBLIC_ENABLE_WORD_HIGHLIGHT=false
 # Optional (non-AWS S3-compatible providers):
@@ -49,7 +48,6 @@ We recommend setting these defaults for a production-like environment:
 - `NEXT_PUBLIC_ENABLE_DESTRUCTIVE_DELETE_ACTIONS=false`: Hides destructive "Delete All" actions
 - `NEXT_PUBLIC_DEFAULT_TTS_PROVIDER=deepinfra`: Points default TTS to a scalable provider
 - `NEXT_PUBLIC_DEFAULT_TTS_MODEL=hexgrad/Kokoro-82M`: Uses a high-quality default model
-- `NEXT_PUBLIC_SHOW_ALL_DEEPINFRA_MODELS=false`: Restricts usage to free models if no key is provided
 - `NEXT_PUBLIC_ENABLE_AUDIOBOOK_EXPORT=true`: (Optional) Controls audiobook export UI
 - `NEXT_PUBLIC_ENABLE_WORD_HIGHLIGHT=false`: (Optional) Controls word highlighting UI (requires timestamp backend)
 :::
diff --git a/docs-site/versioned_docs/version-v2.0.1/reference/environment-variables.md b/docs-site/versioned_docs/version-v2.0.1/reference/environment-variables.md
index 152d693..8925f84 100644
--- a/docs-site/versioned_docs/version-v2.0.1/reference/environment-variables.md
+++ b/docs-site/versioned_docs/version-v2.0.1/reference/environment-variables.md
@@ -13,7 +13,6 @@ This is the single reference page for OpenReader environment variables.
 | `NEXT_PUBLIC_ENABLE_DESTRUCTIVE_DELETE_ACTIONS` | Client feature flags | `true` unless set to `false` | Set `false` to hide destructive actions |
 | `NEXT_PUBLIC_DEFAULT_TTS_PROVIDER` | Client feature flags | `custom-openai` | Override default TTS provider |
 | `NEXT_PUBLIC_DEFAULT_TTS_MODEL` | Client feature flags | `kokoro` | Override default TTS model |
-| `NEXT_PUBLIC_SHOW_ALL_DEEPINFRA_MODELS` | Client feature flags | `true` unless set to `false` | Set `false` to restrict DeepInfra models |
 | `NEXT_PUBLIC_ENABLE_AUDIOBOOK_EXPORT` | Client feature flags | `true` unless set to `false` | Set `false` to hide audiobook export UI |
 | `NEXT_PUBLIC_ENABLE_WORD_HIGHLIGHT` | Client feature flags | `true` unless set to `false` | Set `false` to disable word highlight + alignment |
 | `API_BASE` | TTS provider | none | Point to your OpenAI-compatible TTS base URL |
@@ -376,13 +375,6 @@ Absolute path or executable name for the ffmpeg binary used by audiobook/process
  
  - Default: `kokoro`
  - Example values: `hexgrad/Kokoro-82M`, `tts-1`
- 
- ### NEXT_PUBLIC_SHOW_ALL_DEEPINFRA_MODELS
- 
- Controls whether the DeepInfra model list shows all models or just the free tier when no API key is set.
- 
- - Default: `true` (show all)
- - Set `false` to restrict to free tier models when no API key is provided
 
 ### NEXT_PUBLIC_ENABLE_AUDIOBOOK_EXPORT
 
diff --git a/docs-site/versioned_docs/version-v2.1.0/deploy/vercel-deployment.md b/docs-site/versioned_docs/version-v2.1.0/deploy/vercel-deployment.md
index 1bede11..e484c85 100644
--- a/docs-site/versioned_docs/version-v2.1.0/deploy/vercel-deployment.md
+++ b/docs-site/versioned_docs/version-v2.1.0/deploy/vercel-deployment.md
@@ -35,7 +35,6 @@ NEXT_PUBLIC_ENABLE_DESTRUCTIVE_DELETE_ACTIONS=false
 NEXT_PUBLIC_ENABLE_TTS_PROVIDERS_TAB=false
 NEXT_PUBLIC_DEFAULT_TTS_PROVIDER=deepinfra
 NEXT_PUBLIC_DEFAULT_TTS_MODEL=hexgrad/Kokoro-82M
-NEXT_PUBLIC_SHOW_ALL_DEEPINFRA_MODELS=false
 NEXT_PUBLIC_ENABLE_AUDIOBOOK_EXPORT=true
 NEXT_PUBLIC_ENABLE_WORD_HIGHLIGHT=false
 # Optional (non-AWS S3-compatible providers):
@@ -51,7 +50,6 @@ We recommend setting these defaults for a production-like environment:
 - `NEXT_PUBLIC_ENABLE_TTS_PROVIDERS_TAB=false`: Hides the Settings -> TTS Provider section
 - `NEXT_PUBLIC_DEFAULT_TTS_PROVIDER=deepinfra`: Points default TTS to a scalable provider
 - `NEXT_PUBLIC_DEFAULT_TTS_MODEL=hexgrad/Kokoro-82M`: Uses a high-quality default model
-- `NEXT_PUBLIC_SHOW_ALL_DEEPINFRA_MODELS=false`: Restricts usage to free models if no key is provided
 - `NEXT_PUBLIC_ENABLE_AUDIOBOOK_EXPORT=true`: (Optional) Controls audiobook export UI
 - `NEXT_PUBLIC_ENABLE_WORD_HIGHLIGHT=false`: (Optional) Controls word highlighting UI (requires timestamp backend)
 :::
diff --git a/docs-site/versioned_docs/version-v2.1.0/reference/environment-variables.md b/docs-site/versioned_docs/version-v2.1.0/reference/environment-variables.md
index 0c525c8..c9ad0d0 100644
--- a/docs-site/versioned_docs/version-v2.1.0/reference/environment-variables.md
+++ b/docs-site/versioned_docs/version-v2.1.0/reference/environment-variables.md
@@ -14,7 +14,6 @@ This is the single reference page for OpenReader environment variables.
 | `NEXT_PUBLIC_ENABLE_TTS_PROVIDERS_TAB` | Client feature flags | `true` unless set to `false` | Set `false` to hide the TTS Provider settings tab |
 | `NEXT_PUBLIC_DEFAULT_TTS_PROVIDER` | Client feature flags | `custom-openai` | Override default TTS provider |
 | `NEXT_PUBLIC_DEFAULT_TTS_MODEL` | Client feature flags | `kokoro` | Override default TTS model |
-| `NEXT_PUBLIC_SHOW_ALL_DEEPINFRA_MODELS` | Client feature flags | `true` unless set to `false` | Set `false` to restrict DeepInfra models |
 | `NEXT_PUBLIC_ENABLE_AUDIOBOOK_EXPORT` | Client feature flags | `true` unless set to `false` | Set `false` to hide audiobook export UI |
 | `NEXT_PUBLIC_ENABLE_WORD_HIGHLIGHT` | Client feature flags | `true` unless set to `false` | Set `false` to disable word highlight + alignment |
 | `API_BASE` | TTS provider | none | Point to your OpenAI-compatible TTS base URL |
@@ -387,13 +386,6 @@ Controls whether the **TTS Provider** section appears in the Settings modal.
  
  - Default: `kokoro`
  - Example values: `hexgrad/Kokoro-82M`, `tts-1`
- 
- ### NEXT_PUBLIC_SHOW_ALL_DEEPINFRA_MODELS
- 
- Controls whether the DeepInfra model list shows all models or just the free tier when no API key is set.
- 
- - Default: `true` (show all)
- - Set `false` to restrict to free tier models when no API key is provided
 
 ### NEXT_PUBLIC_ENABLE_AUDIOBOOK_EXPORT
 
diff --git a/docs-site/versioned_docs/version-v2.1.1/deploy/vercel-deployment.md b/docs-site/versioned_docs/version-v2.1.1/deploy/vercel-deployment.md
index 1bede11..e484c85 100644
--- a/docs-site/versioned_docs/version-v2.1.1/deploy/vercel-deployment.md
+++ b/docs-site/versioned_docs/version-v2.1.1/deploy/vercel-deployment.md
@@ -35,7 +35,6 @@ NEXT_PUBLIC_ENABLE_DESTRUCTIVE_DELETE_ACTIONS=false
 NEXT_PUBLIC_ENABLE_TTS_PROVIDERS_TAB=false
 NEXT_PUBLIC_DEFAULT_TTS_PROVIDER=deepinfra
 NEXT_PUBLIC_DEFAULT_TTS_MODEL=hexgrad/Kokoro-82M
-NEXT_PUBLIC_SHOW_ALL_DEEPINFRA_MODELS=false
 NEXT_PUBLIC_ENABLE_AUDIOBOOK_EXPORT=true
 NEXT_PUBLIC_ENABLE_WORD_HIGHLIGHT=false
 # Optional (non-AWS S3-compatible providers):
@@ -51,7 +50,6 @@ We recommend setting these defaults for a production-like environment:
 - `NEXT_PUBLIC_ENABLE_TTS_PROVIDERS_TAB=false`: Hides the Settings -> TTS Provider section
 - `NEXT_PUBLIC_DEFAULT_TTS_PROVIDER=deepinfra`: Points default TTS to a scalable provider
 - `NEXT_PUBLIC_DEFAULT_TTS_MODEL=hexgrad/Kokoro-82M`: Uses a high-quality default model
-- `NEXT_PUBLIC_SHOW_ALL_DEEPINFRA_MODELS=false`: Restricts usage to free models if no key is provided
 - `NEXT_PUBLIC_ENABLE_AUDIOBOOK_EXPORT=true`: (Optional) Controls audiobook export UI
 - `NEXT_PUBLIC_ENABLE_WORD_HIGHLIGHT=false`: (Optional) Controls word highlighting UI (requires timestamp backend)
 :::
diff --git a/docs-site/versioned_docs/version-v2.1.1/reference/environment-variables.md b/docs-site/versioned_docs/version-v2.1.1/reference/environment-variables.md
index 0c525c8..c9ad0d0 100644
--- a/docs-site/versioned_docs/version-v2.1.1/reference/environment-variables.md
+++ b/docs-site/versioned_docs/version-v2.1.1/reference/environment-variables.md
@@ -14,7 +14,6 @@ This is the single reference page for OpenReader environment variables.
 | `NEXT_PUBLIC_ENABLE_TTS_PROVIDERS_TAB` | Client feature flags | `true` unless set to `false` | Set `false` to hide the TTS Provider settings tab |
 | `NEXT_PUBLIC_DEFAULT_TTS_PROVIDER` | Client feature flags | `custom-openai` | Override default TTS provider |
 | `NEXT_PUBLIC_DEFAULT_TTS_MODEL` | Client feature flags | `kokoro` | Override default TTS model |
-| `NEXT_PUBLIC_SHOW_ALL_DEEPINFRA_MODELS` | Client feature flags | `true` unless set to `false` | Set `false` to restrict DeepInfra models |
 | `NEXT_PUBLIC_ENABLE_AUDIOBOOK_EXPORT` | Client feature flags | `true` unless set to `false` | Set `false` to hide audiobook export UI |
 | `NEXT_PUBLIC_ENABLE_WORD_HIGHLIGHT` | Client feature flags | `true` unless set to `false` | Set `false` to disable word highlight + alignment |
 | `API_BASE` | TTS provider | none | Point to your OpenAI-compatible TTS base URL |
@@ -387,13 +386,6 @@ Controls whether the **TTS Provider** section appears in the Settings modal.
  
  - Default: `kokoro`
  - Example values: `hexgrad/Kokoro-82M`, `tts-1`
- 
- ### NEXT_PUBLIC_SHOW_ALL_DEEPINFRA_MODELS
- 
- Controls whether the DeepInfra model list shows all models or just the free tier when no API key is set.
- 
- - Default: `true` (show all)
- - Set `false` to restrict to free tier models when no API key is provided
 
 ### NEXT_PUBLIC_ENABLE_AUDIOBOOK_EXPORT
 
diff --git a/docs-site/versioned_docs/version-v2.1.2/deploy/vercel-deployment.md b/docs-site/versioned_docs/version-v2.1.2/deploy/vercel-deployment.md
index 1bede11..e484c85 100644
--- a/docs-site/versioned_docs/version-v2.1.2/deploy/vercel-deployment.md
+++ b/docs-site/versioned_docs/version-v2.1.2/deploy/vercel-deployment.md
@@ -35,7 +35,6 @@ NEXT_PUBLIC_ENABLE_DESTRUCTIVE_DELETE_ACTIONS=false
 NEXT_PUBLIC_ENABLE_TTS_PROVIDERS_TAB=false
 NEXT_PUBLIC_DEFAULT_TTS_PROVIDER=deepinfra
 NEXT_PUBLIC_DEFAULT_TTS_MODEL=hexgrad/Kokoro-82M
-NEXT_PUBLIC_SHOW_ALL_DEEPINFRA_MODELS=false
 NEXT_PUBLIC_ENABLE_AUDIOBOOK_EXPORT=true
 NEXT_PUBLIC_ENABLE_WORD_HIGHLIGHT=false
 # Optional (non-AWS S3-compatible providers):
@@ -51,7 +50,6 @@ We recommend setting these defaults for a production-like environment:
 - `NEXT_PUBLIC_ENABLE_TTS_PROVIDERS_TAB=false`: Hides the Settings -> TTS Provider section
 - `NEXT_PUBLIC_DEFAULT_TTS_PROVIDER=deepinfra`: Points default TTS to a scalable provider
 - `NEXT_PUBLIC_DEFAULT_TTS_MODEL=hexgrad/Kokoro-82M`: Uses a high-quality default model
-- `NEXT_PUBLIC_SHOW_ALL_DEEPINFRA_MODELS=false`: Restricts usage to free models if no key is provided
 - `NEXT_PUBLIC_ENABLE_AUDIOBOOK_EXPORT=true`: (Optional) Controls audiobook export UI
 - `NEXT_PUBLIC_ENABLE_WORD_HIGHLIGHT=false`: (Optional) Controls word highlighting UI (requires timestamp backend)
 :::
diff --git a/docs-site/versioned_docs/version-v2.1.2/reference/environment-variables.md b/docs-site/versioned_docs/version-v2.1.2/reference/environment-variables.md
index 0c525c8..c9ad0d0 100644
--- a/docs-site/versioned_docs/version-v2.1.2/reference/environment-variables.md
+++ b/docs-site/versioned_docs/version-v2.1.2/reference/environment-variables.md
@@ -14,7 +14,6 @@ This is the single reference page for OpenReader environment variables.
 | `NEXT_PUBLIC_ENABLE_TTS_PROVIDERS_TAB` | Client feature flags | `true` unless set to `false` | Set `false` to hide the TTS Provider settings tab |
 | `NEXT_PUBLIC_DEFAULT_TTS_PROVIDER` | Client feature flags | `custom-openai` | Override default TTS provider |
 | `NEXT_PUBLIC_DEFAULT_TTS_MODEL` | Client feature flags | `kokoro` | Override default TTS model |
-| `NEXT_PUBLIC_SHOW_ALL_DEEPINFRA_MODELS` | Client feature flags | `true` unless set to `false` | Set `false` to restrict DeepInfra models |
 | `NEXT_PUBLIC_ENABLE_AUDIOBOOK_EXPORT` | Client feature flags | `true` unless set to `false` | Set `false` to hide audiobook export UI |
 | `NEXT_PUBLIC_ENABLE_WORD_HIGHLIGHT` | Client feature flags | `true` unless set to `false` | Set `false` to disable word highlight + alignment |
 | `API_BASE` | TTS provider | none | Point to your OpenAI-compatible TTS base URL |
@@ -387,13 +386,6 @@ Controls whether the **TTS Provider** section appears in the Settings modal.
  
  - Default: `kokoro`
  - Example values: `hexgrad/Kokoro-82M`, `tts-1`
- 
- ### NEXT_PUBLIC_SHOW_ALL_DEEPINFRA_MODELS
- 
- Controls whether the DeepInfra model list shows all models or just the free tier when no API key is set.
- 
- - Default: `true` (show all)
- - Set `false` to restrict to free tier models when no API key is provided
 
 ### NEXT_PUBLIC_ENABLE_AUDIOBOOK_EXPORT
 
diff --git a/docs-site/versioned_docs/version-v2.2.0/deploy/vercel-deployment.md b/docs-site/versioned_docs/version-v2.2.0/deploy/vercel-deployment.md
index c5a7e0c..5f04f9a 100644
--- a/docs-site/versioned_docs/version-v2.2.0/deploy/vercel-deployment.md
+++ b/docs-site/versioned_docs/version-v2.2.0/deploy/vercel-deployment.md
@@ -34,7 +34,6 @@ NEXT_PUBLIC_ENABLE_DESTRUCTIVE_DELETE_ACTIONS=false
 NEXT_PUBLIC_ENABLE_TTS_PROVIDERS_TAB=false
 NEXT_PUBLIC_DEFAULT_TTS_PROVIDER=replicate
 NEXT_PUBLIC_DEFAULT_TTS_MODEL=alphanumericuser/kokoro-82m:89b6fa84e4fa2dd6bd3a96be3e1f12827a3516c9fda8fddbac7a0be131c9a6f5
-NEXT_PUBLIC_SHOW_ALL_DEEPINFRA_MODELS=false
 NEXT_PUBLIC_ENABLE_AUDIOBOOK_EXPORT=true
 NEXT_PUBLIC_ENABLE_WORD_HIGHLIGHT=false
 # Optional (non-AWS S3-compatible providers):
@@ -50,7 +49,6 @@ We recommend setting these defaults for a production-like environment:
 - `NEXT_PUBLIC_ENABLE_TTS_PROVIDERS_TAB=false`: Hides the Settings -> TTS Provider section
 - `NEXT_PUBLIC_DEFAULT_TTS_PROVIDER=replicate`: Points default TTS to a scalable provider
 - `NEXT_PUBLIC_DEFAULT_TTS_MODEL=alphanumericuser/kokoro-82m:89b6fa84e4fa2dd6bd3a96be3e1f12827a3516c9fda8fddbac7a0be131c9a6f5`: Uses a low-cost default model
-- `NEXT_PUBLIC_SHOW_ALL_DEEPINFRA_MODELS=false`: Restricts usage to free models if no key is provided
 - `NEXT_PUBLIC_ENABLE_AUDIOBOOK_EXPORT=true`: (Optional) Controls audiobook export UI
 - `NEXT_PUBLIC_ENABLE_WORD_HIGHLIGHT=false`: (Optional) Controls word highlighting UI (requires timestamp backend)
 :::
diff --git a/docs-site/versioned_docs/version-v2.2.0/reference/environment-variables.md b/docs-site/versioned_docs/version-v2.2.0/reference/environment-variables.md
index 2f1ff0b..de13b14 100644
--- a/docs-site/versioned_docs/version-v2.2.0/reference/environment-variables.md
+++ b/docs-site/versioned_docs/version-v2.2.0/reference/environment-variables.md
@@ -14,7 +14,6 @@ This is the single reference page for OpenReader environment variables.
 | `NEXT_PUBLIC_ENABLE_TTS_PROVIDERS_TAB` | Client feature flags | `true` unless set to `false` | Set `false` to hide the TTS Provider settings tab |
 | `NEXT_PUBLIC_DEFAULT_TTS_PROVIDER` | Client feature flags | `custom-openai` | Override default TTS provider |
 | `NEXT_PUBLIC_DEFAULT_TTS_MODEL` | Client feature flags | `kokoro` | Override default TTS model |
-| `NEXT_PUBLIC_SHOW_ALL_DEEPINFRA_MODELS` | Client feature flags | `true` unless set to `false` | Set `false` to restrict DeepInfra models |
 | `NEXT_PUBLIC_ENABLE_AUDIOBOOK_EXPORT` | Client feature flags | `true` unless set to `false` | Set `false` to hide audiobook export UI |
 | `NEXT_PUBLIC_ENABLE_WORD_HIGHLIGHT` | Client feature flags | `true` unless set to `false` | Set `false` to disable word highlight + alignment |
 | `API_BASE` | TTS provider | none | Point to your OpenAI-compatible TTS base URL |
@@ -387,13 +386,6 @@ Controls whether the **TTS Provider** section appears in the Settings modal.
  
  - Default: `kokoro`
  - Example values: `hexgrad/Kokoro-82M`, `tts-1`
- 
- ### NEXT_PUBLIC_SHOW_ALL_DEEPINFRA_MODELS
- 
- Controls whether the DeepInfra model list shows all models or just the free tier when no API key is set.
- 
- - Default: `true` (show all)
- - Set `false` to restrict to free tier models when no API key is provided
 
 ### NEXT_PUBLIC_ENABLE_AUDIOBOOK_EXPORT
 
diff --git a/src/components/SettingsModal.tsx b/src/components/SettingsModal.tsx
index c41093e..d5aa550 100644
--- a/src/components/SettingsModal.tsx
+++ b/src/components/SettingsModal.tsx
@@ -127,7 +127,6 @@ type AdminSubTab = 'providers' | 'features';
 export function SettingsModal({ className = '' }: { className?: string }) {
   const runtimeConfig = useRuntimeConfig();
   const enableDestructiveDelete = runtimeConfig.enableDestructiveDeleteActions;
-  const showAllDeepInfra = runtimeConfig.showAllDeepInfraModels;
   const showAllProviderModels = runtimeConfig.showAllProviderModels;
   const enableTTSProvidersTab = runtimeConfig.enableTtsProvidersTab;
   const restrictUserApiKeys = runtimeConfig.restrictUserApiKeys;
@@ -191,11 +190,10 @@ export function SettingsModal({ className = '' }: { className?: string }) {
     apiKey: localApiKey,
     modelValue,
     customModelInput,
-    showAllDeepInfra,
     showAllProviderModels,
     sharedProviders,
     allowBuiltInProviders: !restrictUserApiKeys,
-  }), [localProviderRef, localProviderType, localApiKey, modelValue, customModelInput, showAllDeepInfra, showAllProviderModels, sharedProviders, restrictUserApiKeys]);
+  }), [localProviderRef, localProviderType, localApiKey, modelValue, customModelInput, showAllProviderModels, sharedProviders, restrictUserApiKeys]);
   const isSharedSelected = Boolean(selectedSharedProvider);
   const selectedProviderOption = ttsProviders.find((p) => p.id === localProviderRef) ?? ttsProviders[0];
 
@@ -715,7 +713,7 @@ export function SettingsModal({ className = '' }: { className?: string }) {
                                 type="password"
                                 value={localApiKey}
                                 onChange={(e) => handleInputChange('apiKey', e.target.value)}
-                                placeholder={!showAllDeepInfra && providerModelPolicy.providerType === 'deepinfra' ? "Deepinfra free or use your API key" : "Using environment variable"}
+                                placeholder="Using environment variable"
                                 className={inputClass}
                               />
                             </div>
diff --git a/src/components/admin/AdminFeaturesPanel.tsx b/src/components/admin/AdminFeaturesPanel.tsx
index 59bc198..14c6e69 100644
--- a/src/components/admin/AdminFeaturesPanel.tsx
+++ b/src/components/admin/AdminFeaturesPanel.tsx
@@ -264,14 +264,6 @@ export function AdminFeaturesPanel() {
           right={renderSource('enableTtsProvidersTab')}
           variant="flat"
         />
-        <ToggleRow
-          label="Show all Deepinfra models"
-          description="Show full Deepinfra model list."
-          checked={Boolean(draft.showAllDeepInfraModels)}
-          onChange={(checked) => updateDraft('showAllDeepInfraModels', checked)}
-          right={renderSource('showAllDeepInfraModels')}
-          variant="flat"
-        />
         <ToggleRow
           label="Show all provider models"
           description="Allow model selection beyond defaults."
diff --git a/src/components/admin/AdminProvidersPanel.tsx b/src/components/admin/AdminProvidersPanel.tsx
index f2209a1..4384d99 100644
--- a/src/components/admin/AdminProvidersPanel.tsx
+++ b/src/components/admin/AdminProvidersPanel.tsx
@@ -8,7 +8,6 @@ import toast from 'react-hot-toast';
 import { ChevronUpDownIcon, CheckIcon, PlusIcon } from '@/components/icons/Icons';
 import { providerSupportsCustomModel, resolveProviderModels, type TtsModelDefinition, type TtsProviderId } from '@/lib/shared/tts-provider-catalog';
 import { defaultBaseUrlForProviderType, defaultModelForProviderType, resolveTtsProviderModelPolicy } from '@/lib/shared/tts-provider-policy';
-import { useRuntimeConfig } from '@/contexts/RuntimeConfigContext';
 import {
   Badge,
   Field,
@@ -117,7 +116,6 @@ async function deleteAdminProvider(id: string): Promise<void> {
 }
 
 export function AdminProvidersPanel() {
-  const runtimeConfig = useRuntimeConfig();
   const queryClient = useQueryClient();
   const [editingId, setEditingId] = useState<string | null>(null);
   const [form, setForm] = useState<FormState>(() => createEmptyForm());
@@ -212,9 +210,8 @@ export function AdminProvidersPanel() {
   const modelDefinitions: TtsModelDefinition[] = useMemo(
     () => resolveProviderModels(form.providerType, {
       apiKey: form.apiKey,
-      showAllDeepInfra: runtimeConfig.showAllDeepInfraModels,
     }),
-    [form.providerType, form.apiKey, runtimeConfig.showAllDeepInfraModels],
+    [form.providerType, form.apiKey],
   );
   const supportsCustomModel = providerSupportsCustomModel(form.providerType);
   const modelIsPreset = modelDefinitions.some((model) => model.id === form.defaultModel);
diff --git a/src/contexts/RuntimeConfigContext.tsx b/src/contexts/RuntimeConfigContext.tsx
index 6d7051d..5f3882d 100644
--- a/src/contexts/RuntimeConfigContext.tsx
+++ b/src/contexts/RuntimeConfigContext.tsx
@@ -19,7 +19,6 @@ export interface RuntimeConfig {
   enableAudiobookExport: boolean;
   enableDocxConversion: boolean;
   enableDestructiveDeleteActions: boolean;
-  showAllDeepInfraModels: boolean;
   showAllProviderModels: boolean;
 }
 
@@ -31,7 +30,6 @@ const RUNTIME_DEFAULTS: RuntimeConfig = {
   enableAudiobookExport: true,
   enableDocxConversion: true,
   enableDestructiveDeleteActions: true,
-  showAllDeepInfraModels: true,
   showAllProviderModels: true,
 };
 
diff --git a/src/lib/client/settings/tts-settings.ts b/src/lib/client/settings/tts-settings.ts
index 771361e..49f4007 100644
--- a/src/lib/client/settings/tts-settings.ts
+++ b/src/lib/client/settings/tts-settings.ts
@@ -22,7 +22,6 @@ export interface ResolveTtsSettingsViewModelOptions {
   apiKey?: string;
   modelValue: string;
   customModelInput: string;
-  showAllDeepInfra: boolean;
   showAllProviderModels: boolean;
   sharedProviders?: SharedProviderEntry[];
   allowBuiltInProviders?: boolean;
@@ -59,7 +58,6 @@ export function resolveTtsSettingsViewModel({
   apiKey,
   modelValue,
   customModelInput,
-  showAllDeepInfra,
   showAllProviderModels,
   sharedProviders = [],
   allowBuiltInProviders = true,
@@ -98,7 +96,6 @@ export function resolveTtsSettingsViewModel({
 
   const catalogModels = resolveProviderModels(knownProviderType ?? 'custom-openai', {
     apiKey,
-    showAllDeepInfra,
   });
   const providerDefaults = resolveProviderDefaults({
     providerRef: selectedProviderRef,
diff --git a/src/lib/server/admin/settings.ts b/src/lib/server/admin/settings.ts
index ce5b19e..425489e 100644
--- a/src/lib/server/admin/settings.ts
+++ b/src/lib/server/admin/settings.ts
@@ -84,7 +84,6 @@ export const RUNTIME_CONFIG_SCHEMA = {
   enableAudiobookExport: booleanFlag(true, 'NEXT_PUBLIC_ENABLE_AUDIOBOOK_EXPORT'),
   enableDocxConversion: booleanFlag(true, 'NEXT_PUBLIC_ENABLE_DOCX_CONVERSION'),
   enableDestructiveDeleteActions: booleanFlag(true, 'NEXT_PUBLIC_ENABLE_DESTRUCTIVE_DELETE_ACTIONS'),
-  showAllDeepInfraModels: booleanFlag(true, 'NEXT_PUBLIC_SHOW_ALL_DEEPINFRA_MODELS'),
   showAllProviderModels: runtimeBoolean(true),
 } as const satisfies Record<string, RuntimeConfigKeyDef<unknown>>;
 
diff --git a/src/lib/shared/tts-provider-catalog.ts b/src/lib/shared/tts-provider-catalog.ts
index f356843..86c1466 100644
--- a/src/lib/shared/tts-provider-catalog.ts
+++ b/src/lib/shared/tts-provider-catalog.ts
@@ -26,7 +26,6 @@ export interface TtsProviderDefinition {
 
 export interface ResolveProviderModelsContext {
   apiKey?: string;
-  showAllDeepInfra?: boolean;
 }
 
 export interface ResolveVoicesOptions {
@@ -59,10 +58,6 @@ const DEEPINFRA_MODELS_FULL: TtsModelDefinition[] = [
   { id: 'custom', name: 'Other' },
 ];
 
-const DEEPINFRA_MODELS_LIMITED: TtsModelDefinition[] = [
-  { id: 'hexgrad/Kokoro-82M', name: 'hexgrad/Kokoro-82M' },
-];
-
 export const REPLICATE_KOKORO_82M_VERSIONED_MODEL =
   'alphanumericuser/kokoro-82m:89b6fa84e4fa2dd6bd3a96be3e1f12827a3516c9fda8fddbac7a0be131c9a6f5' as const;
 
@@ -148,12 +143,7 @@ export const TTS_PROVIDER_DEFINITIONS: TtsProviderDefinition[] = [
     id: 'deepinfra',
     name: 'Deepinfra',
     supportsCustomModel: true,
-    models: (context) => {
-      if (!context?.showAllDeepInfra && !context?.apiKey) {
-        return DEEPINFRA_MODELS_LIMITED;
-      }
-      return DEEPINFRA_MODELS_FULL;
-    },
+    models: () => DEEPINFRA_MODELS_FULL,
   },
   {
     id: 'openai',
diff --git a/tests/unit/tts-provider-catalog.spec.ts b/tests/unit/tts-provider-catalog.spec.ts
index 0fe08b8..3c40372 100644
--- a/tests/unit/tts-provider-catalog.spec.ts
+++ b/tests/unit/tts-provider-catalog.spec.ts
@@ -14,7 +14,7 @@ import { applyConfigUpdate, getVoicePreferenceKey } from '../../src/lib/client/c
 import { buildSyncedPreferencePatch } from '../../src/lib/client/config/preferences';
 
 test.describe('tts provider catalog', () => {
-  test('resolves provider models with Deepinfra gating unchanged', () => {
+  test('resolves provider models with fixed Deepinfra catalog', () => {
     expect(resolveProviderModels('openai').map((model) => model.id)).toEqual([
       'tts-1',
       'tts-1-hd',
@@ -22,15 +22,7 @@ test.describe('tts provider catalog', () => {
     ]);
 
     expect(resolveProviderModels('deepinfra', {
-      showAllDeepInfra: false,
       apiKey: '',
-    }).map((model) => model.id)).toEqual([
-      'hexgrad/Kokoro-82M',
-    ]);
-
-    expect(resolveProviderModels('deepinfra', {
-      showAllDeepInfra: false,
-      apiKey: 'token',
     }).map((model) => model.id)).toEqual([
       'hexgrad/Kokoro-82M',
       'canopylabs/orpheus-3b-0.1-ft',
diff --git a/tests/unit/tts-settings-admin-view-model.spec.ts b/tests/unit/tts-settings-admin-view-model.spec.ts
index 13b2055..c207ce6 100644
--- a/tests/unit/tts-settings-admin-view-model.spec.ts
+++ b/tests/unit/tts-settings-admin-view-model.spec.ts
@@ -27,7 +27,6 @@ test.describe('resolveTtsSettingsViewModel (admin/shared modes)', () => {
       providerType: 'unknown',
       modelValue: 'kokoro',
       customModelInput: '',
-      showAllDeepInfra: false,
       showAllProviderModels: true,
       sharedProviders: [
         {
@@ -53,7 +52,6 @@ test.describe('resolveTtsSettingsViewModel (admin/shared modes)', () => {
       providerType: 'unknown',
       modelValue: 'gpt-4o-mini-tts',
       customModelInput: '',
-      showAllDeepInfra: false,
       showAllProviderModels: true,
       sharedProviders: SHARED,
       allowBuiltInProviders: false,
@@ -69,7 +67,6 @@ test.describe('resolveTtsSettingsViewModel (admin/shared modes)', () => {
       providerType: 'unknown',
       modelValue: 'kokoro',
       customModelInput: '',
-      showAllDeepInfra: false,
       showAllProviderModels: true,
       sharedProviders: SHARED,
       allowBuiltInProviders: false,
@@ -85,7 +82,6 @@ test.describe('resolveTtsSettingsViewModel (admin/shared modes)', () => {
       providerType: 'unknown',
       modelValue: 'my-custom-model',
       customModelInput: '',
-      showAllDeepInfra: false,
       showAllProviderModels: true,
       sharedProviders: SHARED,
       allowBuiltInProviders: false,
@@ -102,7 +98,6 @@ test.describe('resolveTtsSettingsViewModel (admin/shared modes)', () => {
       providerType: 'unknown',
       modelValue: 'not-in-presets',
       customModelInput: '',
-      showAllDeepInfra: false,
       showAllProviderModels: true,
       sharedProviders: SHARED,
       allowBuiltInProviders: false,
@@ -119,7 +114,6 @@ test.describe('resolveTtsSettingsViewModel (admin/shared modes)', () => {
       providerType: 'unknown',
       modelValue: 'kokoro',
       customModelInput: '',
-      showAllDeepInfra: false,
       showAllProviderModels: true,
       sharedProviders: SHARED,
       allowBuiltInProviders: false,
@@ -135,7 +129,6 @@ test.describe('resolveTtsSettingsViewModel (admin/shared modes)', () => {
       providerType: 'unknown',
       modelValue: 'my-custom-model',
       customModelInput: 'my-custom-model',
-      showAllDeepInfra: false,
       showAllProviderModels: false,
       sharedProviders: SHARED,
       allowBuiltInProviders: false,