Framework tools: pricing compared

7 framework tools for AI agents, sorted by starting price per month. Prices come from each official pricing page; open a tool for its full plan list and alternatives. Model token costs are billed separately: estimate them with the AI agent cost calculator.

ToolFrom / moPricing
LangGraph$0Free, open source (MIT)
OpenAI Agents SDK$0Free, open source (MIT)
Pydantic AI$0Free, open source (MIT)
smolagents$0Free, open source (Apache-2.0)
AutoGen$0Free, open source (MIT)
Mastra$0Free, open source (Apache-2.0; ee/ dirs separate licence)
CrewAI—OSS (MIT); cloud Free (50 executions/mo) or Enterprise custom

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