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The day in AI

Wednesday 20 May 2026

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Everything from this day

Launches and products

20 May 2026Stability AIStable Audio 3.0 Stable Audio 3.0: four models (Small SFX, Small, Medium, Large) trained on fully licensed data; Small and Medium are open weights, tracks up to 6:20.20 May 2026CohereCommand A+ Command A+ is a 218B Apache 2.0 MoE with 25B active parameters that runs on one B200 or two H100 GPUs.

Research

20 May 2026OpenAIDisproof of the Erdos planar unit-distance conjecture An unreleased OpenAI reasoning model disproved the 80-year-old belief that square-grid constructions maximize unit distances, with checking by external mathematicians.
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