Go from idea to a working agent faster with the Agents API.
Build and run cloud agents with the Codex harness, fully managed by OpenAI.
We handle orchestration, long-running sessions, and context management. You focus on what makes your agent unique.
Available in public beta.
OpenAI Developers
@OpenAIDevs
OpenAI runs the agent loop on its infrastructure, coordinating model calls, tool use, and context.
You control the agent’s capabilities and choose where it runs code and works with files.
You control the agent’s capabilities and choose where it runs code and works with files.
7:24 PM UTC · Sep 10, 2026 · 26.6K Views
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OpenAI Developers
@OpenAIDevs
Your sandbox, your call.
Bring your own sandbox or connect a sandbox provider.
Choose the environment that fits your workload:
• CPU, GPU, and memory options
• Fully managed environments or deployments within your VPC
• File and secret storage options
We offer first-class integrations with @blaxelAI, @CloudflareDev, @daytonaio, @digitalocean, @e2b, @modal, @OracleCloud, @RunloopAI, and @vercel.
Bring your own sandbox or connect a sandbox provider.
Choose the environment that fits your workload:
• CPU, GPU, and memory options
• Fully managed environments or deployments within your VPC
• File and secret storage options
We offer first-class integrations with @blaxelAI, @CloudflareDev, @daytonaio, @digitalocean, @e2b, @modal, @OracleCloud, @RunloopAI, and @vercel.
7:24 PM UTC · Sep 10, 2026 · 28.6K Views
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OpenAI Developers
@OpenAIDevs
We’re also introducing OpenAI-hosted sandboxes.
Your agent can:
• Run code
• Work with files
• Produce artifacts
Supply files, install packages, and add skills and plugins while we provision and manage the sandbox.
Your agent can:
• Run code
• Work with files
• Produce artifacts
Supply files, install packages, and add skills and plugins while we provision and manage the sandbox.
7:24 PM UTC · Sep 10, 2026 · 21.3K Views
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