Using Kimi K2 Instruct 0905 on OpenRouter

Implementation guide · Kimi K2 · Moonshot AI

Serverless
Open Source

OpenRouter exposes Kimi K2 Instruct 0905 through model ID moonshotai/kimi-k2-0905. Use the setup steps, sourced pricing, capabilities, and official provider links below to validate this route before deployment.

Last refreshed 2026-10-19. Next refresh: weekly.

Quick Start

  1. 1
    Create an account at OpenRouter and generate an API key.
  2. 2
    Use the OpenRouter SDK or REST API to call moonshotai/kimi-k2-0905 — see the documentation for request format.
  3. 3
    You'll be billed $0.60/1M input, $2.50/1M output tokens. See full pricing.
API PortalDocumentationPricingModel Card

Code Examples

See OpenRouter documentation for integration details.

Pricing on OpenRouter

TypePrice (per 1M)
Input tokens$0.60
Output tokens$2.50

Capabilities

No model capability flags are currently sourced.

About Kimi K2 Instruct 0905

Kimi K2 Instruct 0905 is Moonshot AI's Kimi K2 model. It offers a 131K-token context window.

Full model details →

Model Specs

Released2025-09-05
Parameters1T total, 32B active (MoE)
Context128K
ArchitectureDecoder Only

More Models on OpenRouter

Kimi K2 ThinkingKimi K2Kimi K2.6Kimi K2.7-Code
All models on OpenRouter →

Also available on(2)

Fireworks AI$0.60/1MNVIDIA NIM
Compare all providers →

Provider

OpenRouter

OpenRouter, Inc.

New York, NY, USA