AI Agent Frameworks
LangChain
LangChain is a open-source framework for building agents for standard model interface, middleware, guardrails and retries, planning and operational review.
Open-source framework; LangSmith and hosted deployment pricing should be verified on the current LangChain pricing page before using numeric claims.approx.
AI Agent Frameworks
LlamaIndex
LlamaIndex is a framework and platform for building data-connected LLM applications, RAG pipelines, document workflows, and agents.
Open-source framework; LlamaCloud and LlamaParse commercial pricing should be verified on the current official pricing page before numeric claims.approx.
AI Agent Frameworks
CrewAI
CrewAI is an agent automation platform and open-source framework for building multi-agent workflows and production automations.
Open-source plus hosted/enterprise options; current commercial pricing should be verified on crewai.com/pricing before numeric claims.approx.
AI Agent Frameworks
Pydantic AI
Pydantic AI is an open-source Python agent framework from the Pydantic team for building provider-agnostic GenAI apps and workflows.
Open-source Python framework; no commercial SaaS pricing captured for the framework itself.approx.
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