Kimi K2.5 API
About
Build advanced reasoning agents with Kimi K2.5, a specialized AI model optimized for complex logic and chain-of-thought tasks. This model delivers cost-effective pricing at $0.62/1M input and $3.30/1M output tokens, native tool calling support, open weights architecture. Access Kimi K2.5 via the CrossModel API with up to 262K output tokens.
Capabilities
Input Modalities
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Output Modalities
text
Reasoning
Yes
Structured Output
Limits
Context Window
262K
Tokens
Input Limit
262K
Tokens
Max Output
262K
Tokens
Pricing
Standard (per 1M tokens)
Input
$0.62
Output
$3.30
Caching (per 1M tokens)
Read
$0.11
Write
$0.62
Frequently Asked Questions
Kimi K2.5 by CrossModel costs $0.62 per 1M input tokens and $3.30 per 1M output tokens. Cached reads cost $0.11 per 1M tokens. Cache writes cost $0.62 per 1M tokens.
Model Details
ID
moonshot/kimi-k2.5
Provider
CrossModelFamily
kimi-k2
Release Date
Jan 1, 2026
Knowledge Cutoff
Jan 1, 2025
API Integration
NPM Package
@ai-sdk/openai-compatible
Environment Variables
CROSSMODEL_API_KEY
API Base URL
https://api.crossmodel.ai/v1