🚨 Dario confirmed that Claude is currently designing the next version of itself.

To test this, the company asks its new models to optimize the training code for smaller AIs.

While Claude Opus 4 achieved a 3x speedup, Mythos Preview hit a staggering 52x 🤯

Recursive… pic.twitter.com/MONKQ9g1aZ

— Charly Wargnier (@DataChaz) 5 juin 2026

Dario confirmed that Claude is currently designing the next version of itself. To test this, the company asks its new models to optimize the training code for smaller AIs. While Claude Opus 4 achieved a 3x speedup, Mythos Preview hit a staggering 52x Recursive

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