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Open weights at frontier scale

3 stories from 7 sources in four weeks. First seen 22 September 2026.

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Picking up: three stories from seven sources in four weeks.

The registrar proposes a move; our editor decides.

Stories on this topic · 7

Newest first · read on screen, counted from 15 Oct
5 Nov Models and releasesMoonshot opens Kimi K3.1 Pro weights; model-service firms over $20M must sign first 63 sources 30 Oct Models and releasesMistral releases Large 4 weights, but paid hosting needs a separate licence 23 sources 26 Oct Safety and securityMoonshot says cyber-data cuts lowered Kimi K3.1 Pro's own test score to 81.0% 1 source 16 Oct Models and releasesMeta releases open-weight Muse Spark Open under its own licence 44 sources 11 Oct Models and releasesReflection AI's Laskin says open models will take most token demand 1 source 7 Oct Models and releasesMistral releases Large 4, a 1-trillion-parameter model, in public preview 1 source 1 Oct ResearchAnthropic says GLM-5.3 builds exploits close to Claude Mythos Preview 21 source

History

Every change of state, with the reason
22 SepWatching. We started following this topic.

Open weights at frontier scale

watching Models and releases first seen 2026-09-22

History

Stories on this topic