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OpenAI is getting back to its roots as an open source AI company with today’s announcement and release of two new, open source, frontier large language models (LLMs): gpt-oss-120b and gpt-oss-20b.
The former is a 120-billion parameter model as the name would suggest, capable of running on a single Nvidia H100 graphics processing unit (GPU) and the latter is only 20 billion, small enough to run locally on a consumer laptop or desktop PC.
Both are text-only language models, which means unlike the multimodal AI that we’ve had for nearly two years that allows users to upload files and images and have the AI analyze them, users will be confined to only inputting text messages to the models and receiving text back out.
However, they can still of course write code and provide math problems and numerics, and in terms of their performance on tasks, they rank above some of OpenAI’s paid models and much of the competition globally.
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They can also be connected to external tools including web search to perform research on behalf of the user. More on this below.
Most importantly: they’re free, they’re available for enterprises and indie developers to download the code and use right now, modifying according to their needs, and can be run locally without a web connection, ensuring maximum privacy, unlike the other top OpenAI models and those from leading U.S.-based rivals Google and Anthropic.
The models can be downloaded today with full weights (the settings guiding its behavior) on the AI code sharing community Hugging Face and GitHub.
High benchmark scores
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