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Codex

Tool Covered in 22 stories + Follow

Codex is an OpenAI tool that’s been referenced in recent coverage alongside other OpenAI image-generation and reasoning models, including updates to ChatGPT Images 2.5 and the rollout of GPT-6 Astra (made generally available on Amazon Bedrock and expanded to ChatGPT, Codex, and the API). Coverage also describes Codex use cases involving large code-context configuration (via a shared 1M-token setup) and its role in agent workflows that select and integrate third-party tools during sandboxed coding tasks.

Updated 15 September 2026

Latest developments

Timeline

Month Quarter Year

Q3 2026

Hacktron security researchers used Anthropic’s Claude to exploit vulnerabilities and obtain access to OpenAI employee accounts and internal repositories, reporting the issues for a bug bounty Incident

OpenAI launched Astra for Law, a legal-focused GPT-6 configuration for research and drafting Product launch

OpenAI releases ChatGPT Images 2.5, updating its image generation and editing models in ChatGPT and the GPT-Image API Model release

OpenAI launches GPT-6 Astra and begins a staged rollout to selected users and partners, followed by broader availability Model release

OpenAI updated ChatGPT Health to support healthcare organizations connecting electronic health record data, including Epic integration, for clinician use Feature update

Google releases Gemini 3.7 Flash with updated benchmarks and temporary year-end pricing discounts Model release

Growth in AI agent usage and best practices for production deployment Feature update

OpenAI releases improved GPT-5.6 models and expands free ChatGPT access with unlimited text chats Feature update

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