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235 tools · 33 stacks

AI tools are all over the place. This is the full landscape — 247 tools across 21 categories, mapped and connected. Ready to narrow it down? Build your stack →

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What are you building and how is it defined?
How do you write and ship code?
How does your AI think and act?
Which models and infrastructure power it?
How do you build, observe, and extend it?
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These tools integrates with
OpenAI API
vs
LiteLLM

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

Choose LiteLLM when…

  • •You want a unified API across 100+ LLM providers
  • •You're switching between providers or running A/B tests
  • •You need fallbacks and load balancing across models
Field
OpenAI API
LiteLLM
Category
LLM Infrastructure
LLM Infrastructure
Type
SaaS
OSS
Free Tier
✗ No
✓ Yes
Plans
API: Per token
Enterprise: Custom
Stars
—
⭐ 16,000
Health
—
●90 — Active
Trajectory
— not enough data
— not enough data
Synced
—
today

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.

LiteLLM

OSS proxy that normalizes 100+ LLMs to the OpenAI format. Add routing, fallbacks, caching, and cost tracking in one layer.

OpenAI API Website ↗
LiteLLM Website ↗GitHub ↗

Shared Connections (16)

CrewAIAutoGenLangChainLlamaIndexAgnoPortKeyLangfuseHeliconeAnthropic APIMistral APICohere APIGroq

Only OpenAI API (22)

MastraPydanticAIsmolagentsLiteLLMPromptFooDeepEvalStainlessLetta

Only LiteLLM (21)

ContinueAiderClaude CodeOpenHandsPlandexLangGraphSemantic KernelDSPy
See full comparison in Explore →