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.

← Back to top

AI BriefingOpenAIFeature Updates00:00

AI summarized from verified sources

OpenAI launches GPT-5.3-Codex for agents

Delegate longer coding tasks with steerable control.

SOURCE CHECK

1 sources

VERIFIED

Sources

Primary / openai.com

Official Blog

Key Points

1Combines GPT-5 and Codex strengths
2Built for long-running research+execution
3Steerable while it works
4Requires strong permission boundaries

OpenAI introduced GPT-5.3-Codex, strengthening agentic coding for longer tasks that involve research and tool use. It’s designed for human steering during execution, fitting better into real workflows. Teams should pay close attention to permissions and execution boundaries when adopting it.

What changed

OpenAI introduced GPT-5.3-Codex, strengthening agentic coding for longer tasks that involve research and tool use. It’s designed for human steering during execution, fitting better into real workflows. Teams should pay close attention to permissions and execution boundaries when adopting it.

Why it matters

Delegate longer coding tasks with steerable control.

What to watch

Delegate longer coding tasks with steerable control. Key checks: Combines GPT-5 and Codex strengths / Built for long-running research+execution / Steerable while it works.