LangFn (Python)
Comprehensive AI Development SDK for LLM-based workflows.
Features
- Model Abstraction: Unified interface for OpenAI, Anthropic, Ollama, and more.
- Orchestration: Sequential, Parallel, and Map-Reduce chains.
- Graph Workflows: Stateful workflows with
StateGraph. - Agents: Functional
ToolAgentandReActAgent. - Structured Output: Type-safe output parsing with Pydantic.
- RAG: Embeddings and Vector Store support.
- Observability: Built-in tracing with
watchfnintegration.
Usage
from langfn import LangFn
from langfn.models.openai import OpenAIChatModel
lang = LangFn(
model=OpenAIChatModel(api_key="your-api-key")
)
response = await lang.complete("Hello world")
print(response.content)
Documentation
See the main documentation for more details.
1 maintainer
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