Moonshot AI · Language model

Kimi K3.1 Pro

Moonshot's upgrade to Kimi K3, about a third cheaper per token. It's the highest-scoring model from outside the big US labs on Artificial Analysis's index. Moonshot says the weights follow by November 4, but there's no license yet.

#9Power Rankings#8Coding
MakerMoonshot AI
ReleasedOctober 23, 2026
API price (per 1M tokens)$2 in / $10 out
Open weightsNo

Cached input $0.20. A faster Highspeed version costs $4 / $20.

Best for

  • Agent and coding work on a budget
  • Teams waiting to self-host a near-frontier model
  • Long-context reading

Strengths

  • 46 on the Artificial Analysis Intelligence Index v5, the top open-weights-promised model
  • $2 / $10, down from $3 / $15 for Kimi K3
  • #9 on Arena WebDev

Watch out for

  • Weights and license not yet published, so don't plan a self-hosted deployment around it yet
  • Uses a lot of tokens: one independent six-task agent run cost about $32
  • Hosted by a Chinese company, so check data rules before sending anything sensitive

Ranking history

EditionPower RankingsCodingBest ValueOpen-Weight WatchImage GenerationVideo Generation
Week 45, 2026#9 (88)#8 (86)————