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

OpenAI Group PBC today announced a major revamp of its artificial intelligence coding tool Codex, giving it a number of new ...

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 ...

OpenAI is releasing a new version of its Codex desktop app today. The latest Codex update adds three key features that expand ...

OpenAI's agentic coding tool has gotten a major makeover, with a variety of new powers and abilities.

OpenAI has ended Microsoft's exclusivity as its cloud partner, enabling Amazon Web Services (AWS) to offer GPT‑5.5 and other ...

ChatGPT and several OpenAI services experienced a partial outage affecting multiple features, with issues being investigated ...

Put simply: these agents can be created and accessed from ChatGPT, but users can also add them to third-party apps like Slack ...