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The Guardian - UK
The Guardian - UK
Technology
Dan Milmo Global technology editor

OpenAI takes on Meta and DeepSeek with free and customisable AI models

OpenAI Meta DeepSeek Mark Zuckerberg United States ChatGPT Sam Altman DeepMind Google
OpenAI logo and an android
The existence of freely available, powerful AI models that can be customised by developers has alarmed some experts. Photograph: Michael Dwyer/AP

OpenAI is taking on Mark Zuckerberg’s Meta and Chinese rival DeepSeek by launching its own freely available artificial intelligence models.

The ChatGPT developer has announced two “open weight” large language models, which are free to download and can be customised by developers.

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