One prompt can now drive more of your work More support for defending infrastructure and open source See Claude’s rules updated for newer risks GPT-6 Intelligent UI makes conversations visual and interactive Claude Haiku 5.5 delivers low-cost, high-performance AI Create visual, interactive answers from a simple chat Run high-volume tasks with a cheaper fast model Share new mathematical results on GitHub to accelerate research Easier access to advanced Claude models for security work Run image, audio, and video search on-device with one model Atlassian integration makes company knowledge easier to use Decisions beta speeds up typed answers from text and images Anthropic expands safer access to advanced cyber features Enable text watermarking via API for EU compliance Claude training becomes easier for enterprise teams Anthropic invests in workforce training for enterprise adoption Enterprise adoption and training get easier Google's Gemini 4 Argon makes heavy tasks easier to offload Gemini 4 Argon is built for long professional tasks Use Astra-level performance affordably in daily work One prompt can now drive more of your work More support for defending infrastructure and open source See Claude’s rules updated for newer risks GPT-6 Intelligent UI makes conversations visual and interactive Claude Haiku 5.5 delivers low-cost, high-performance AI Create visual, interactive answers from a simple chat Run high-volume tasks with a cheaper fast model Share new mathematical results on GitHub to accelerate research Easier access to advanced Claude models for security work Run image, audio, and video search on-device with one model Atlassian integration makes company knowledge easier to use Decisions beta speeds up typed answers from text and images Anthropic expands safer access to advanced cyber features Enable text watermarking via API for EU compliance Claude training becomes easier for enterprise teams Anthropic invests in workforce training for enterprise adoption Enterprise adoption and training get easier Google's Gemini 4 Argon makes heavy tasks easier to offload Gemini 4 Argon is built for long professional tasks Use Astra-level performance affordably in daily work

Official sources only. Rumors, leaks, and get-rich schemes are excluded.

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AI BriefingOpenAIFeature Updates17:23

AI summarized from verified sources

Agents SDK Gains Sandbox Execution & Harness

Easily deploy secure long-running agents in sandboxes.

SOURCE CHECK

3 sources

VERIFIED

Sources

Primary / openai.com

Official Blog

Supporting / x.com

Official Blog

Supporting / openai.com

Official Blog

Key Points

1Sandbox support for Cloudflare/Vercel etc.
2Harness controls memory and state
3Python first, available to all API users

OpenAI evolved Agents SDK with sandbox execution and customizable harness. Use providers like Cloudflare or Vercel for secure file edits and commands. Reliability for long tasks improves, easing production agent builds.

What changed

OpenAI evolved Agents SDK with sandbox execution and customizable harness. Use providers like Cloudflare or Vercel for secure file edits and commands. Reliability for long tasks improves, easing production agent builds.

Why it matters

Easily deploy secure long-running agents in sandboxes.

What to watch

Easily deploy secure long-running agents in sandboxes. Key checks: Sandbox support for Cloudflare/Vercel etc. / Harness controls memory and state / Python first, available to all API users.