Kimi K2 Instruct 0905 API
About
Process massive datasets with Kimi K2 Instruct 0905, featuring an expansive 262K context window for long-document analysis. This model delivers cost-effective pricing at $0.60/1M input and $2.50/1M output tokens, native tool calling support, open weights architecture. Access Kimi K2 Instruct 0905 via the OpenRouter API with up to 98K output tokens.
Capabilities
Input Modalities
text
Output Modalities
text
Reasoning
No
Structured Output
Yes
Tool Use
Yes
WeightsOpen
Limits
Context Window
262K
Tokens
Input Limit
262K
Tokens
Max Output
98K
Tokens
Pricing
Standard (per 1M tokens)
Input
$0.60
Output
$2.50
Frequently Asked Questions
Kimi K2 Instruct 0905 by OpenRouter costs $0.60 per 1M input tokens and $2.50 per 1M output tokens.
Model Details
ID
moonshotai/kimi-k2-0905
Provider
OpenRouterFamily
kimi-k2
Release Date
Sep 5, 2025
Knowledge Cutoff
Dec 31, 2024
API Integration
NPM Package
@openrouter/ai-sdk-provider
Environment Variables
OPENROUTER_API_KEY
API Base URL
https://openrouter.ai/api/v1