These tools integrates with
OpenAI APIvsPortKey
GPT-5 era models, embeddings, and Responses API from OpenAI versus AI gateway with routing, fallbacks, and caching
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 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
Side-by-side comparison
Field
OpenAI API
PortKey
Category
LLM Infrastructure
LLM Infrastructure
Type
Commercial
Commercial
Free Tier
✗ No
✓ Yes
Pricing Plans
API: Per token
Growth: $49/mo
GitHub Stars
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Health
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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.
PortKey
Production AI gateway with smart routing, automatic fallbacks, semantic caching, and full observability. Drop-in replacement for direct LLM calls.
Shared Connections5 tools both integrate with
Only OpenAI API (34)
CrewAIAutoGenLlamaIndexPydanticAIsmolagentsAgnoMastraPortKeyHeliconeMistral API
Only PortKey (1)
OpenAI API
Explore the full AI landscape
See how OpenAI API and PortKey fit into the bigger picture — 235 tools, 543 relationships, all mapped.