Xiaomi's MiMo-V2.6-Pro tops open-model rankings; Anthropic alleges Claude data siphoning
Xiaomi released the MiMo‑V2.6 lineup, with flagship MiMo‑V2.6‑Pro (1.02T params, 42B active) scoring 46 on Artificial Analysis's Intelligence Index and claiming very low token costs; the company attributes gains to a major expanded reinforcement‑learning run and published an open RL toolkit, training framework, smaller models, and ~7,000 graded training tasks. Separately, Anthropic's threat report says Xiaomi appears in case GTG‑16008, alleging ~400,000 exchanges in March–April 2026 routed MiMo conversations through OpenClaw/OpenCode to Claude to extract training data as part of a broader set of ~190M exchanges across several labs.