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Artificial Analysis

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EVENT TIMELINE

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MODELS · 1 SOURCE · The Decoder

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.

8.0

MODELS · 1 SOURCE · AWS Machine Learning

xAI’s Grok 4.6 is now available in Amazon Bedrock

xAI says Grok 4.6, a model with a 500K-token context window and four configurable reasoning levels, launched on Amazon Bedrock on August 18, 2026; it is served on both bedrock-mantle and bedrock-runtime and supports the Converse API as well as Chat Completions and Responses. xAI reports Grok 4.6 was trained with supplemental model-generated data and agentic reinforcement-learning tasks, and that it shows improved self-checking, first-pass visual/interactive outputs, and expanded safety testing; xAI published benchmark results including ones from Artificial Analysis.

8.0