OpenAI's July Updates: GPT-5.6 Price Cuts, Enhanced Codex Workflows, and API Upgrades

OpenAIDevs · x · 2026-08-05

OpenAI summarized its July developer updates, highlighting major enhancements across its ecosystem. For Models and API, GPT-5.6 rolled out across ChatGPT, Codex, and the API. The company reduced prices for GPT-5.6 Luna and Terra, introduced a Fast mode for Sol, and allowed developers to set hard spend limits for API projects.

For Coding Tools, Codex and ChatGPT Work were unified into a single desktop app, enabling PR reviews and follow-up edits. Codex Code Review now supports custom repo rules via AGENTS.md, alongside a new Security CLI and an Activity view.

Additional updates include image generation and editing within Codex (featuring a lightbox and canvas), as well as Sites Analytics and expanded availability of ChatGPT Sites for Plus and Pro users in the UK and EEA.

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