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

Developer of ChatGPT says new tools will be ‘for wide benefit’, echoing announcement by Mark Zuckerberg

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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DeepMind AI cracks 50-year-old problem of protein folding

Program solves scientific problem in ‘stunning advance’ for understanding machinery of life

Having risen to fame on its superhuman performance at playing games, the artificial intelligence group DeepMind has cracked a serious scientific problem that has stumped researchers for half a century.

With its latest AI program, AlphaFold, the company and research laboratory showed it can predict how proteins fold into 3D shapes, a fiendishly complex process that is fundamental to understanding the biological machinery of life.

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