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 An archived version reveals that GPT-5 will have “enhanced agentic capabilities” and can handle “complex coding tasks with minimal prompting.”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: • gpt-5: Designed for logic and multi-step tasks. • gpt-5-mini: A lightweight version for cost-sensitive applications. • gpt-5-nano: Optimized for speed and ideal for applications requiring

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