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OpenAI

OpenAI

OpenAI

OpenAI's GPT models via the API — function calling, structured outputs, and the de-facto API shape

v3.8.02026-09-03APIProprietary
#llm #function-calling #structured-output #api
31.6k Paid
OpenAI Agents SDK

OpenAI Agents SDK

OpenAI

OpenAI's lightweight SDK for agents with tools, handoffs, and guardrails

v0.22.02026-08-19PythonMIT
#agents #tools #handoffs #python
29.2k Completely free Open source