OpenAI has launched its first open-weight models in over five years, gpt-oss-120b and gpt-oss-20b, which can be run on consumer devices locally and fine-tuned for specific use cases. This move marks a shift away from their proprietary focus, aiming to provide wider access to AI. Both models support chain-of-thought reasoning for more complex outputs. The models can operate offline without an internet connection, presenting unique strengths compared to OpenAI's other paid services. They are available for free download on Hugging Face.
The two language models, gpt-oss-120b and gpt-oss-20b, can run locally on consumer devices and be fine-tuned for specific purposes.
What sets apart an open-weight model is the fact that its "weights" are publicly available, allowing insights into how it processes information.
Open-weight models have a very different set of strengths and can run without an internet connection behind a firewall.
Both gpt-oss models use chain-of-thought reasoning approaches, enabling them to provide comprehensive answers by processing multiple steps.
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