OpenAI announces GPT-5
OpenAI released GPT-5, describing a unified system that routes between a fast default model and a deeper reasoning model, with a 256k context window, vision input, and improvements on coding, math, and multimodal benchmarks.
GPT-5 is the default model behind ChatGPT and the OpenAI API, so this release changes what hundreds of AI products and coding tools can do for hundreds of millions of users.