kimi-k3.1-pro

Moonshot · Priced per token

Kimi K3.1 Pro is the first model in the new K3.1 series and our most capable 3-trillion-parameter model to date, supporting a 1M-token context window. It delivers especially notable improvements in coding, 3D creation, financial research, and other long-horizon agent capabilities.

Pricing

Base price

  • Input: $2.1 per 1M tokens
  • Output: $10.6 per 1M tokens
  • Cached input: $0.21 per 1M tokens
  • Cache write: $2 per 1M tokens

List rate at a 1x group multiplier, before any account-specific discount. The effective rate is this figure times the multiplier of the group the account is in.

Pricing by group

GroupMultiplierInputOutput
default1x$2.1$10.6

API access

  • openai — POST /v1/chat/completions

Available to groups: default

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