A blog post on GitHub has revealed the release of OpenAI’s latest AI model series, GPT-5, through GitHub Models. The now archived blog post discloses that GPT-5 is going to be available for use across a range of applications, with several variants targeting different use cases.
According to the blog, GPT-5 introduces improved reasoning, code generation, and agentic task handling. “It handles complex coding tasks with minimal prompting, provides clear explanations, and introduces enhanced agentic capabilities,” the post stated.
There are four model variants of GPT-5. The standard gpt-5 model is suited for logic and multi-step reasoning tasks. gpt-5-mini targets cost-sensitive deployments, while gpt-5-nano is optimised for speed and low-latency requirements. For enterprise use cases that demand natural, multimodal, and context-aware interactions, gpt-5-chat is available.
The models will be made available through the GitHub Models tab and can be tested using the GitHub Models playground or API. Developers are encouraged to “experiment with sample prompts, refine ideas, and iterate as you build,” the post added.
Users can also run GPT-5 alongside other models, including those from Cohere, DeepSeek, Meta, and Microsoft. GitHub has provided documentation for developers and opened community discussions for feedback and collaboration.
This is just hours before OpenAI is expected to officially launch the GPT-5 model on Thursday at 10 AM PT during a live stream. “Our livestream tomorrow at 10 am PDT will be longer than usual, around an hour. We have a lot to show and hope you can find the time to watch!” said OpenAI CEO Sam Altman in a post on X.
The blog post has since circulated widely, though there has been no official announcement from OpenAI at the time of reporting.
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