GPT-5.4 Codex Subagents for Parallel Coding Tasks & More

Sam Altman says ChatGPT Codex subagents outperform Claude Code, using plain-language triggers and configurable agent files for PR reviews and debugging workflows.

OpenAI launches GPT-5.4 with native computer use mode, financial plugins for Microsoft Excel, Google Sheets

The big headlines on this release are efficiency, with OpenAI reporting that GPT-5.4 uses far fewer tokens (47% fewer on some ...
Crypto Briefing

OpenAI launches GPT-5.4 with improved reasoning, coding, and computer use capabilities

OpenAI launches GPT-5.4 across ChatGPT, API, and Codex with stronger reasoning, coding, and computer use capabilities.

OpenAI's new agent tool Codex is for developers, but it can also help you order takeout

OpenAI launched Codex, an AI tool that automates coding tasks like fixing bugs, but could also help you make a dinner reservation.
eWeek

OpenAI Accidentally Leaks GPT-5.4 (And We Tested It)

Error logs and GitHub pull requests hint at GPT-5.4 quietly rolling out in Codex, signaling faster iteration cycles and continuous AI model deployment.

OpenAI's new GPT-5.4 clobbers humans on pro-level work in tests - by 83%

OpenAI's new GPT-5.4 clobbers humans on pro-level work in tests - by 83% ...

OpenAI launches GPT-5.4 Mini and Nano models following GPT-5.4 debut

The flurry of model releases comes as the generative AI space becomes more competitive. The company had been fielding tough ...