LangChain integrates with multiple LLM providers.
Switch between models easily.
Supported Providers
✅ OpenAI
✅ DeepSeek
✅ Anthropic
✅ HuggingFace
✅ Local models
Using DeepSeek
from langchain_openai import OpenAI
llm = OpenAI(
openai_api_key=”your-deepseek-key”,
openai_api_base=”https://api.deepseek.com”
)
Model Switching
Change the model without rewriting code.
Conclusion
LangChain provides unified API for all LLMs!