Yahoo Finance (Jul 17, 2026): Market reaction to Kimi K3.

  • 2.8T model; Moonshot says largest open-weight to date; overall ranks below Fable 5 and GPT-5.6 Sol
  • Beat Claude Opus 4.8 and GPT-5.5 on coding/agent evals per company/AA framing
  • Weights Jul 27; until then hosted-only
  • Moonshot raised 20B valuation in May; backers Alibaba and Tencent
  • Chinese rival AI stocks moved lower on launch day