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 testing a new model for Codex called "GPT-5.2-Codex-Max." Some users have spotted a new model, GPT-5.2-Codex-Max, when they ask Codex what model it is using. OpenAI rolled out Codex with GPT ...

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 ...

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

How good is GPT-5 Codex, really? Imagine a tool so advanced it can generate functional code for complex applications in mere minutes, yet intuitive enough to seamlessly integrate into your existing ...

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OpenAI has finally introduced GPT-5.5. The company calls GPT-5.5 its smartest and most intuitive model yet. All you need to ...

On Thursday, OpenAI released GPT-5.3-Codex, a new model that extends its Codex coding agent beyond writing and reviewing code to performing a much wider range of work tasks. The release comes as ...

GPT-5.3-Codex helped debug and deploy parts of itself. Codex can be steered mid-task without losing context. "Underspecified" prompts now produce richer, more usable results. OpenAI today announced ...

OpenAI has released GPT-5.2-Codex via its API, a frontier-class model optimized for complex, long-running agentic coding tasks. Last month, OpenAI released the GPT-5.2 model series, delivering ...

OpenAI announced Monday that it’s releasing a new version of GPT-5 to its AI coding agent, Codex. The company says its new model, called GPT-5-Codex, spends its “thinking” time more dynamically than ...

Codex now runs on GPT-5.5 hosted on Nvidia's GB200 NVL72 rack-scale systems. Nvidia says the systems deliver 35x lower cost ...