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Moonshot AI

Kimi K2 0905 API

Moonshot AI
About

Process massive datasets with Kimi K2 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 0905 via the Moonshot AI API with up to 262K output tokens.

Capabilities

Input Modalities

text

Output Modalities

text
Reasoning
No
Structured Output
No
Tool Use
Yes
WeightsOpen
Temperature
Adjustable
Attachment
Not Supported
Limits
Context Window
262K

Tokens

Input Limit
262K

Tokens

Max Output
262K

Tokens

Pricing

Standard (per 1M tokens)

Input
$0.60
Output
$2.50

Caching (per 1M tokens)

Read
$0.15
Frequently Asked Questions

Kimi K2 0905 by Moonshot AI costs $0.60 per 1M input tokens and $2.50 per 1M output tokens. Cached reads cost $0.15 per 1M tokens.

Model Details
ID
kimi-k2-0905-preview
Provider
Moonshot AI
Family
kimi
Release Date
Sep 5, 2025
Knowledge Cutoff
Oct 1, 2024
API Integration
NPM Package
@ai-sdk/openai-compatible
Environment Variables
MOONSHOT_API_KEY
API Base URL
https://api.moonshot.ai/v1
Documentation