kimi-k3

Kimikimi-k3

Kimi K3 is a 2.8T parameter open-weight multimodal reasoning model from Moonshot AI. It is suited for complex coding, knowledge work, and long-horizon agentic workflows, and is particularly strong at navigating large repositories, using tools, debugging, and iterating against images, logs, tests, and runtime feedback. Its architecture uses KDA and Attention Residuals for computational efficiency.

API Pricing

Price typeBilling expression
Official price
Base pricingPricing tier: base
  • Input usage × $3.00
  • Output usage × $15.00
  • Cached read × $0.30
  • Cache creation × $3.00
Kimi_Ultra×0.990% of official list price
Base pricingPricing tier: base
  • Input usage × $2.70
  • Output usage × $13.50
  • Cached read × $0.27
  • Cache creation × $2.70

Group multiplier: x0.9

Official pricing is subject to the model provider's latest published pricing and may vary by request method or service region. Kimi_Ultra — TokenByte channel pricing. Actual prices and availability reflect current platform data.

Model information

Model providerKimi
Model IDkimi-k3
Context window1048576
InputTextImageVideo
OutputText