GitHub has accidentally announced OpenAI’s new range of GPT-5 models. A now-deleted GitHub blog post reveals that GPT-5, which will be available in four different versions, offers “major improvements in reasoning, code quality, and user experience.”
Reddit posters noticed a new GitHub blog post announcing that GPT-5 is generally available in GitHub models, before the blog post was quickly removed. An archived version reveals that GPT-5 will have “enhanced agentic capabilities” and can handle “complex coding tasks with minimal prompting.”
GPT-5 will have four model variants, according to GitHub:
I revealed last month that OpenAI was preparing to launch GPT-5 in early August, complete with mini and nano versions that will also be available through its API. Earlier this week multiple OpenAI employees started teasing that it would be a big week, and OpenAI CEO Sam Altman even teased GPT-5 over the weekend.
OpenAI has all but confirmed it’s launching GPT-5 later today, with the announcement of a “LIVE5TREAM” for 10AM PT / 1PM ET. OpenAI’s GPT-5 launch comes in the same week the company also delivered two GPT-OSS open-weight models, with one small enough to run locally on a PC.
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