OpenAI Agents API

by OpenAI

OpenAI Agents API is a developer platform released in public beta on September 10, 2026, providing a standardized harness for building autonomous agents. It integrates session management, sandboxing, and subagent orchestration into a single API, enabling long-horizon tasks with durable state, MCP server support, and partner sandbox integrations.

Developer Tools
Proprietary

Primary Use Cases

  • Building production-grade autonomous agents
  • Long-horizon software engineering automation
  • Multi-step research and document processing agents
  • Agentic workflows with tool use and code execution

✅ Strengths

  • Replaces fragmented custom orchestration loops with a model-native harness
  • Durable execution with checkpoint resumption
  • No additional fee for session management or sandboxing infrastructure
  • Broad partner sandbox ecosystem

⚠️ Limitations

  • Public beta — not yet generally available
  • Costs scale with agent loop iterations and context bloat
  • Requires OpenAI API access and model token costs
  • Commoditizes third-party orchestration frameworks (LangChain, CrewAI)

Technical Specifications

Developer
OpenAI
Category
Developer Tools
Type
🔧 AI Tool
License
UNKNOWN

Trust & Privacy

Health Status
🟢 Active
Trains on User Data
🔄 Opt-out available
Certifications
None listed

Ecosystem & Integrations

API Access
✅ Available
Chrome Extension
❌ No
Mobile App
❌ No
Pricing Model
💰 Pay Per Use

Pricing Breakdown

Pay-per-use

No harness fee; pay model tokens + tool call fees

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