These tools integrates with
AutoGenvsOpenAI API
Conversational multi-agent framework — superseded by Microsoft Agent Framework versus GPT-5 era models, embeddings, and Responses API from OpenAI
Compare interactively in Explore →Choose AutoGen when…
- •You want conversational multi-agent orchestration
- •Research or Microsoft ecosystem integration matters
- •You need flexible human-in-the-loop patterns
Choose OpenAI API when…
- •You need the broadest ecosystem and most integrations
- •GPT-4 or o-series reasoning models are required
- •Assistants API, fine-tuning, or batch API are needed
Side-by-side comparison
Field
AutoGen
OpenAI API
Category
Agent Frameworks
LLM Infrastructure
Type
Open Source
Commercial
Free Tier
✓ Yes
✗ No
Pricing Plans
—
API: Per token
GitHub Stars
⭐ 34,000
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Health
●70 — Active
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AutoGen
Microsoft research framework for building multi-agent systems through conversational patterns. Officially superseded by Microsoft Agent Framework 1.0 (April 2026), which merges AutoGen and Semantic Kernel. Large installed base remains; Microsoft publishes a migration path.
OpenAI API
API access to GPT-5, GPT-5.5, o3/o4 reasoning models, and the Responses API; plus embeddings, image, audio, and Realtime endpoints. The most widely deployed LLM API in production.
Shared Connections5 tools both integrate with
Only AutoGen (2)
OpenAI APIMicrosoft Agent Framework
Only OpenAI API (34)
AutoGenLlamaIndexPydanticAIsmolagentsAgnoMastraPortKeyHeliconeMistral APICohere API
Explore the full AI landscape
See how AutoGen and OpenAI API fit into the bigger picture — 235 tools, 543 relationships, all mapped.