OpenAI gave more than 8,000 GPT-5.5 party applicants 10x Codex rate limits through June 5, escalating its AI coding rivalry ...

OpenAI is rolling out GPT-5.5 in Codex, with a 400K context window and higher coding benchmark scores than GPT-5.4.

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 ...

The system prompt for OpenAI’s Codex CLI contains a perplexing and repeated warning for the most recent GPT model to “never ...

NVIDIA is all-in on GPT-5.5, with a wide Codex rollout across its workforce yielding major efficiency gains in software ...

Explore the features of the ChatGPT 5.5 Codex super app, from debugging code to automating browser tasks and integrating with ...

Never talk about goblins, gremlins, raccoons, trolls, ogres, pigeons, or other animals or creatures unless it is absolutely ...

The company is positioning its newest system as its strongest agentic coding model yet, as it faces pressure to keep pace ...

What if writing code wasn’t just for engineers anymore? Imagine a world where a UX designer tweaks an interface, a business analyst generates actionable insights, or a junior developer contributes to ...

GPT-5.3-Codex can now operate a computer as well as write code It's also quicker, uses fewer tokens and can be reasoned with mid-flow Codex 5.3 was even used to build itself and the team was "blown ...

Some Amazon staff had complained about a lack of access to top AI coding tools, arguing the company risked falling behind in ...

GPT-5.3-Codex jumped to No. 1 in Quality on Microsoft Foundry shortly after release, edging other frontier models by a slim 0.94-0.93 margin. Using a podium score across Quality, Safety, Cost, and ...