In this video, learn how to enable GPT 5.5 thinking mode in ChatGPT and discover its benefits for real-world tasks through ...

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 ...

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 ...

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 ...

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 ...

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

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OpenAI included a line in Codex's instructions restricting references to goblins, gremlins, trolls, and ogres, and even Sam ...

What if your coding assistant could not only write better code but also improve itself in the process? That’s the promise of GPT-5.3 Codex, OpenAI’s latest leap in AI development. Paul Solt explains ...

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