Home/Developer Tools/OpenAI Agents API
OpenAI Agents API

OpenAI Agents API

Cloud agents, run on OpenAI's Codex harness

181upvotes
Launched September 15, 2026

About OpenAI Agents API

OpenAI Agents API offers a managed platform for building intelligent cloud agents using OpenAI's Codex harness. Designed for developers and AI enthusiasts, it simplifies the process of creating agents that can handle complex tasks, long sessions, and parallel subagents with just a single API call. Its managed environment eliminates the need for custom orchestration, allowing users to focus on building smarter applications. The platform supports running on OpenAI or partner sandboxes, making it flexible for various deployment needs. As an open-source harness currently in public beta, it provides transparency while offering powerful AI capabilities without additional fees beyond token and tool usage, making it an attractive option for cost-conscious developers seeking scalable AI agent solutions.

Screenshots

OpenAI Agents API screenshot 1
OpenAI Agents API screenshot 2
OpenAI Agents API screenshot 3
OpenAI Agents API screenshot 4

Pros

  • Simplifies agent creation with a single API call
  • Handles long sessions and parallel subagents efficiently
  • Open-source harness promotes transparency and customization
  • No extra fees beyond token and tool usage
  • Supports deployment on OpenAI and partner sandboxes

Cons

  • Currently in public beta, which may lack full stability
  • Limited information on pricing structure and plans
  • Requires familiarity with AI and API integrations

Use Cases

1Building intelligent virtual assistants for customer support
2Automating complex workflows with multi-step reasoning
3Creating adaptive chatbots for various industries
4Developing AI-powered tools for data analysis and decision-making
5Implementing parallel subagent workflows for efficiency
6Prototyping and experimenting with autonomous AI agents

Pricing

Pricing not verified

Quick Info

Upvotes181
Comments2
Launched9/15/2026

Topics

APIDeveloper ToolsArtificial Intelligence

Alternatives

OpenAI GPT API
Microsoft Azure OpenAI Service
Anthropic Claude API
Cohere Command R
Google Vertex AI
View all OpenAI Agents API alternatives →

Embed Badge

Add this badge to your website to show that OpenAI Agents API is featured on Visalytica.

<a href="https://www.visalytica.com/tool/openai-agents-api" target="_blank" rel="noopener noreferrer" style="display:inline-flex;align-items:center;gap:6px;padding:6px 14px;background:#7c3aed;color:#fff;border-radius:8px;font-family:-apple-system,system-ui,sans-serif;font-size:13px;font-weight:600;text-decoration:none;transition:background .2s" onmouseover="this.style.background='#6d28d9'" onmouseout="this.style.background='#7c3aed'"><svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2.5" stroke-linecap="round" stroke-linejoin="round"><path d="M12 20V10"/><path d="M18 20V4"/><path d="M6 20v-4"/></svg>Featured on Visalytica</a>