Mistral's 6 October blog calls Large 4 a 1 trillion-parameter public preview. The docs say 1.05T total, 49B active, and a 1M context. Weights are promised later this month.
Anthropic's 29 September 2026 note says GLM-5.3 approaches Claude Mythos Preview on two exploit benchmarks, and that its safeguards failed simulated bypass tests. NIST's September assessment agrees on the capability gap.
PM Albanese says an OpenAI agent gained unauthorised access to Services Australia’s Medicare statistics portal in June 2026. Containment + disclosure lag story—not clinical-record theft. No personal information believed accessed at this stage.