diff --git a/docs/configuration.md b/docs/configuration.md
index 50fdd36d..ae73b177 100644
--- a/docs/configuration.md
+++ b/docs/configuration.md
@@ -44,13 +44,7 @@ VOYAGE_API_KEY="your-api-key"
 ```
 
 ### OpenAI
-If you want to use OpenAI embeddings you will need to install `haiku.rag` with the VoyageAI extras,
-
-```bash
-uv pip install haiku.rag[openai]
-```
-
-and set environment variables.
+OpenAI embeddings are included in the default installation. Simply set environment variables:
 
 ```bash
 EMBEDDINGS_PROVIDER="openai"
@@ -73,13 +67,7 @@ OLLAMA_BASE_URL="http://localhost:11434"
 
 ### OpenAI
 
-For OpenAI QA, you need to install haiku.rag with OpenAI extras:
-
-```bash
-uv pip install haiku.rag[openai]
-```
-
-Then configure:
+OpenAI QA is included in the default installation. Simply configure:
 
 ```bash
 QA_PROVIDER="openai"
@@ -89,13 +77,7 @@ OPENAI_API_KEY="your-api-key"
 
 ### Anthropic
 
-For Anthropic QA, you need to install haiku.rag with Anthropic extras:
-
-```bash
-uv pip install haiku.rag[anthropic]
-```
-
-Then configure:
+Anthropic QA is included in the default installation. Simply configure:
 
 ```bash
 QA_PROVIDER="anthropic"
@@ -144,13 +126,7 @@ RERANK_MODEL="mixedbread-ai/mxbai-rerank-base-v2"
 
 ### Cohere
 
-For Cohere reranking, install with Cohere extras:
-
-```bash
-uv pip install haiku.rag[cohere]
-```
-
-Then configure:
+Cohere reranking is included in the default installation. Simply configure:
 
 ```bash
 RERANK_PROVIDER="cohere"
diff --git a/docs/installation.md b/docs/installation.md
index cd6c21c8..fd27e3a2 100644
--- a/docs/installation.md
+++ b/docs/installation.md
@@ -6,11 +6,15 @@
 uv pip install haiku.rag
 ```
 
-By default, Ollama (with the `mxbai-embed-large` model) is used for embeddings.
+This includes support for:
+- **Ollama** (default embedding provider using `mxbai-embed-large`)
+- **OpenAI** (GPT models for QA and embeddings)
+- **Anthropic** (Claude models for QA)
+- **Cohere** (reranking models)
 
 ## Provider-Specific Installation
 
-For other embedding providers, install with extras:
+For additional embedding providers, install with extras:
 
 ### VoyageAI
 
@@ -18,16 +22,10 @@ For other embedding providers, install with extras:
 uv pip install haiku.rag[voyageai]
 ```
 
-### OpenAI
+### MixedBread AI Reranking
 
 ```bash
-uv pip install haiku.rag[openai]
-```
-
-### Anthropic
-
-```bash
-uv pip install haiku.rag[anthropic]
+uv pip install haiku.rag[mxbai]
 ```
 
 ## Requirements
diff --git a/pyproject.toml b/pyproject.toml
index f19df80c..23c6b765 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -38,9 +38,6 @@ dependencies = [
 
 [project.optional-dependencies]
 voyageai = ["voyageai>=0.3.2"]
-openai = ["openai>=1.0.0"]
-anthropic = ["anthropic>=0.56.0"]
-cohere = ["cohere>=5.16.1"]
 mxbai = ["mxbai-rerank>=0.1.6"]
 
 [project.scripts]