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docs: Update Ollama integration to use OpenAIGenericClient (#866)

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- Replace OpenAIClient with OpenAIGenericClient in Ollama documentation
- Add bash code block formatting for model installation commands
- Update API key placeholder from 'abc' to 'ollama' for clarity
- Add comment clarifying Ollama's OpenAI-compatible endpoint

Co-authored-by: claude[bot] <209825114+claude[bot]@users.noreply.github.com>
Co-authored-by: Daniel Chalef <danielchalef@users.noreply.github.com>
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Daniel Chalef 2025-08-26 14:49:51 -07:00 • committed by GitHub
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README.md
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@ -431,25 +431,27 @@ The Gemini reranker uses the `gemini-2.5-flash-lite-preview-06-17` model by defa
Graphiti supports Ollama for running local LLMs and embedding models via Ollama's OpenAI-compatible API. This is ideal for privacy-focused applications or when you want to avoid API costs.
Install the models:
```bash
ollama pull deepseek-r1:7b # LLM
ollama pull nomic-embed-text # embeddings
```
```python
from graphiti_core import Graphiti
from graphiti_core.llm_client.config import LLMConfig
from graphiti_core.llm_client.openai_client import OpenAIClient
from graphiti_core.llm_client.openai_generic_client import OpenAIGenericClient
from graphiti_core.embedder.openai import OpenAIEmbedder, OpenAIEmbedderConfig
from graphiti_core.cross_encoder.openai_reranker_client import OpenAIRerankerClient
# Configure Ollama LLM client
llm_config = LLMConfig(
api_key="abc", # Ollama doesn't require a real API key
api_key="ollama", # Ollama doesn't require a real API key, but some placeholder is needed
model="deepseek-r1:7b",
small_model="deepseek-r1:7b",
base_url="http://localhost:11434/v1", # Ollama provides this port
base_url="http://localhost:11434/v1", # Ollama's OpenAI-compatible endpoint
)
llm_client = OpenAIClient(config=llm_config)
llm_client = OpenAIGenericClient(config=llm_config)
# Initialize Graphiti with Ollama clients
graphiti = Graphiti(
@ -459,7 +461,7 @@ graphiti = Graphiti(
llm_client=llm_client,
embedder=OpenAIEmbedder(
config=OpenAIEmbedderConfig(
api_key="abc",
api_key="ollama", # Placeholder API key
embedding_model="nomic-embed-text",
embedding_dim=768,
base_url="http://localhost:11434/v1",