These tools integrates with
PortKeyvsOpenAI API
AI gateway with routing, fallbacks, and caching versus GPT-5 era models, embeddings, and Responses API from OpenAI
Compare interactively in Explore →Choose PortKey when…
- •You want LLM gateway with caching and guardrails
- •Enterprise-grade LLM routing with reliability is needed
- •You need audit logs and compliance controls
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
PortKey
OpenAI API
Category
LLM Infrastructure
LLM Infrastructure
Type
Commercial
Commercial
Free Tier
✓ Yes
✗ No
Pricing Plans
Growth: $49/mo
API: Per token
GitHub Stars
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Health
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PortKey
Production AI gateway with smart routing, automatic fallbacks, semantic caching, and full observability. Drop-in replacement for direct LLM calls.
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 PortKey (1)
OpenAI API
Only OpenAI API (34)
CrewAIAutoGenLlamaIndexPydanticAIsmolagentsAgnoMastraPortKeyHeliconeMistral API
Explore the full AI landscape
See how PortKey and OpenAI API fit into the bigger picture — 235 tools, 543 relationships, all mapped.