OpenAI's newest model matches GPT-5.4's speed while outperforming it on nearly every benchmark. It's rolling out to paid ChatGPT users today.

GPT-5.5 scored 82.7 per cent on Terminal-Bench 2.0, which tests complex command-line workflows. GPT-5.5 also reached 58.6 per ...

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OpenAI has introduced GPT-5.5 with improvements in coding, research workflows, and efficiency, alongside updates to safety ...

In a pre-release briefing, Open AI president and cofounder Greg Brockman said that GPT-5.5 is “way more intuitive to use,” ...

Tencent just open-sourced Hy3 preview, a model that punches above its weight on coding agents, reasoning, and search—built in ...

OpenAI GPT-5.5 rollout sees enhanced benchmarks and pricing, offering state-of-the-art intelligence with increased efficiency ...

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The era of flat-rate unlimited AI coding is ending as Microsoft prepares a major overhaul of the GitHub Copilot billing ...

OpenAI announced Thursday the release of GPT-5.5, its latest AI model now available to Plus, Pro, Business, and Enterprise users through ChatGPT and Codex platforms.