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The day in AI
Thu 10 Jul 2025
Thursday 10 July 2025
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Launches and products
10 Jul 2025
Mistral AI
Devstral Medium and Devstral Small 1.1
Devstral Medium (API) scores 61.6% and Devstral Small 1.1 (open) 53.6% on SWE-Bench Verified.
Research
10 Jul 2025
Hwang, Wang, Gu (academic)
H-Net (dynamic chunking)
End-to-end hierarchical byte-level model that learns its own chunking; a two-stage H-Net matches a token-based Transformer twice its size.