# LLM Integration

> LLM Integration SKILL

- Skill: `majiayu000/llm-integration-3` (Agent Skill, multi-file: 2 files)
- Install (CLI): `npx skillmds@latest add majiayu000/llm-integration-3`
- Raw SKILL.md: https://api.skillmd.com/api/skills/majiayu000/llm-integration-3/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: AI & ML
- Author: majiayu000 (https://skillmd.com/u/majiayu000)
- Updated: 2026-09-22
- Page: https://skillmd.com/skills/majiayu000/llm-integration-3

---


# LLM Integration SKILL

## Provider Abstraction

```python
from langchain_openai import ChatOpenAI
from langchain_anthropic import ChatAnthropic

llm = ChatOpenAI(model="gpt-4")
# or
llm = ChatAnthropic(model="claude-3-sonnet-20240229")
```

## Fallback Chain

```python
from langchain.chat_models import init_chat_model

llm = init_chat_model(
    "gpt-4",
    fallbacks=["claude-3-sonnet-20240229", "ollama/llama2"]
)
```

## Streaming

```python
for chunk in llm.stream("What is RAG?"):
    print(chunk.content, end="", flush=True)
```