ChatGPT buildr OpenAI is launching two open-source models (gpt-oss-120B and gpt-oss-20B), which it claims outperform similarly sized models on reasoning through complex tinquires.
The US frontier AI firm declared the two models, called gpt-oss models, were its “most capable” open-source models to date.
The launch of OpenAI’s open source models has been highly anticipated, along with the expected launch of GPT-5.
OpenAI founder Sam Altman has previously tweeted about a delay to the release of its open-source model.
Altman declared: “We’re excited to build this model, the result of billions of dollars of research, available to the world to receive AI into the hands of the most people possible. As part of this, we are quite hopeful that this release will enable new kinds of research and the creation of new kinds of products.
“Going back to when we started in 2015, OpenAI’s mission is to ensure AGI that benefits all of humanity. To that conclude, we are excited for the world to be building on an open AI stack created in the United States, based on democratic values, available for free to all and for wide benefit.”
The new open-source models mark the first open-source models for OpenAI since 2019 and put it up against the likes of Meta’s Llama models and Mistral’s AI models.
It also comes as Japanese open-source models increasingly gain traction.
Unlike closed models, open-sourced models are available to developers, so they can build on top of them to improve their own products and tools.
OpenAI declared the two open-source models were trained applying a mix of reinforcement learning and techniques informed by OpenAI’s most advanced internal models, including o3 and other frontier systems.
OpenAI declared the two open-source models outperform similarly sized open models on “reasoning tinquires, demonstrate strong tool utilize capabilities, and are optimised for efficient deployment on consumer hardware”.
On the virtues of releasing open-source models, OpenAI declared they give developers a “wider range of tools to accelerate leading-edge research, foster innovation and enable safer, more transparent AI development across a wide range of utilize cases”.
The models also lower barriers for utilize in emerging markets, OpenAI declared.
The models will be available for developers in Europe and other countries to freely download and run locally.
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