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.

OpenAI launches GPT-5.5, its first fully retrained base model since GPT-4.5, targeting enterprise with agentic coding, computer use, and knowledge work ...

So when it comes to models that the general public can access, GPT-5.5 has retaken the crown for OpenAI, achieving the ...

OpenAI is pushing AI beyond chat with the recent release of GPT-5.5, a model designed to complete multi-step work instead of ...

OpenAI is capping off a busy week of announcements with the release of GPT-5.5, its latest model upgrade for ChatGPT and Codex. The company calls its new model “a new class of i ...

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

Within hours I paused an ongoing Opus 4.7 benchmark, swapped the API keys, and ran the exact same methodology on ...

OpenAI launches GPT-5.5 with agentic AI gains, challenging Anthropic's Claude Opus 4.7 across coding and reasoning benchmarks ...

OpenAI Releases GPT-5.5, a Fully Retrained Agentic Model That Scores 82.7% on Terminal-Bench 2.0 and 84.9% on GDPval ...

The ChatGPT maker on Thursday unveiled GPT 5.5, a new model that it says is better at aiding scientists, streamlining ...