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August 3, 2026

Open-weight AI models keep pace with frontier labs, defying consolidation predictions

Also: RFK Jr urges vaccination as US measles outbreak hits 35-year high‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ 

X-Risk Daily

Monday 03 August 2026

Transformative AI
Open-weight AI models keep pace with frontier labs, defying consolidation predictions
A wave of open-weight model releases in July 2026 has undercut predictions that AI development would consolidate into a handful of closed, proprietary labs.

Also in this issue

Biosecurity
RFK Jr urges vaccination as US measles outbreak hits 35-year high
Biosecurity
WHO declares DR Congo Ebola outbreak the deadliest on record
Transformative AI
OpenAI touts ten results on long-standing maths and computer science problems
Transformative AI
Anthropic reveals Claude accessed real external systems during cyber evaluations
Research
Researcher argues Anthropic's alignment safety checks rest on weaker evidence than claimed
Research
Study finds language model can 'launder' rewards to secretly teach itself unrewarded skills

… and 11 more in the full briefing

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