These tools integrates with
OpenAI APIvsLiteLLM
GPT-4o, o1, and embeddings from OpenAI versus Universal LLM proxy — 100+ models, one API
Compare interactively in Explore →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
Side-by-side comparison
Field
OpenAI API
LiteLLM
Category
LLM Infrastructure
LLM Infrastructure
Type
Commercial
Open Source
Free Tier
✗ No
✓ Yes
Pricing Plans
API: Per token
Enterprise: Custom
GitHub Stars
—
⭐ 16,000
OpenAI API
API access to GPT-4o, o1, and other OpenAI models including embeddings and image generation. The most widely used LLM API in production.
Shared Connections14 tools both integrate with
Only OpenAI API (7)
MastraPydanticAIsmolagentsLiteLLMPromptFooDeepEvalStainless
Only LiteLLM (15)
ContinueAiderClaude CodeOpenHandsPlandexLangGraphSemantic KernelDSPyDifyn8n
Explore the full AI landscape
See how OpenAI API and LiteLLM fit into the bigger picture — 123 tools, 304 relationships, all mapped.