These tools integrates with
OpenAI GuardrailsvsOpenAI API
OpenAI's first-party guardrails library for Responses/Assistants versus GPT-5 era models, embeddings, and Responses API from OpenAI
Compare interactively in Explore →Choose OpenAI Guardrails when…
- •You are building on the OpenAI Responses or Assistants API
- •You want first-party guardrails with OpenAI moderation built in
- •You want to keep policy code in the same SDK as your model calls
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
OpenAI Guardrails
OpenAI API
Category
AI Guardrails
LLM Infrastructure
Type
Open Source
Commercial
Free Tier
✓ Yes
✗ No
Pricing Plans
OSS: Free
API: Per token
GitHub Stars
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Health
●50 — Slowing
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OpenAI Guardrails
OpenAI's official Python/TS library for adding guardrails to Responses API and Assistants API applications. Ships moderation, jailbreak detection, hallucination checks, and PII filters as composable guardrails.
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 Connections1 tools both integrate with
Only OpenAI Guardrails (2)
Lakera GuardOpenAI API
Only OpenAI API (38)
CrewAIAutoGenLlamaIndexLangChainPydanticAIsmolagentsAgnoMastraLiteLLMPortKey
Explore the full AI landscape
See how OpenAI Guardrails and OpenAI API fit into the bigger picture — 235 tools, 543 relationships, all mapped.