GPT 5.1 shipped on November 12, 2025, and it's now rolling out to Copilot on Windows, including for those who don't pay.

OpenAI on Monday launched a new family of models called GPT-4.1. Yes, “4.1” — as if the company’s nomenclature wasn’t confusing enough already. There’s GPT-4.1, GPT-4.1 mini, and GPT-4.1 nano, all of ...

GPT-OSS, OpenAI’s open-weight language model series released in August 2025 under the Apache 2.0 license, empowers users to run advanced AI locally, ensuring privacy and control. Available in two ...

Last week, OpenAI CEO Sam Altman teased that he was dropping a new feature. Paired with reports and spottings of new model art, many speculated it was the long-awaited release of the GPT-4.1 model. It ...

OpenAI has announced three models: GPT-4.1, GPT-4.1 mini, and GPT-4.1 nano. These models come with massive context windows of up to 1 million tokens and a knowledge cutoff of June 2024. The company ...

OpenAI has started rolling out GPT 5.1-Codex-Max on Codex with a better performance on coding tasks. In a post on X, OpenAI confirmed that GPT 5.1-Codex-Max can work independently for hours. Unlike ...

OpenAI rolled out the GPT-4.1 and GPT-4.1 mini models for ChatGPT in April through its API. Now, the ChatGPT users are also getting access to the same models. The new models bring what OpenAI ...

OpenAI has introduced GPT‑5.1-Codex-Max, a new frontier agentic coding model now available in its Codex developer environment. The release marks a significant step forward in AI-assisted software ...