Baichuan Intelligence and a Tsinghua University research team jointly released the next-generation medical-enhanced large language model Baichuan-M4; the model ranked first on HealthBench overall and on the Hard and Professional leaderboards.

The Israel Defense Forces said on the 21st Chief of Staff Zamir, speaking in southern Lebanon at a meeting with commanders, said military operations in Lebanon remain ongoing. Zamir said the IDF is fighting on multiple fronts and continuing strikes against Hezbollah; he added some units suffered "significant losses" with multiple soldiers and commanders killed. Israeli media reported on the 20th that the prime minister and defence minister instructed the IDF to call a cease-fire in Lebanon, but the army has not withdrawn from areas it controls in southern Lebanon. Prime Minister Netanyahu reiterated the IDF will remain in south Lebanon "as long as necessary."

A Brazilian economist expects the SELIC policy rate to be 14.00% at end-2026, up from a prior forecast of 13.75%; expects 12.00% at end-2027, unchanged from the previous view.