KAT-Coder-Air V2.5 API
About
Process massive datasets with KAT-Coder-Air V2.5, featuring an expansive 256K context window for long-document analysis. This model delivers cost-effective pricing at $0.15/1M input and $0.60/1M output tokens, native tool calling support. Access KAT-Coder-Air V2.5 via the OpenRouter API with up to 80K output tokens.
Capabilities
Input Modalities
text
Output Modalities
text
Reasoning
No
Structured Output
Yes
Tool Use
Yes
WeightsClosed
Temperature
Adjustable
Attachment
Not Supported
Limits
Context Window
256K
Tokens
Input Limit
256K
Tokens
Max Output
80K
Tokens
Pricing
Standard (per 1M tokens)
Input
$0.15
Output
$0.60
Caching (per 1M tokens)
Read
$0.03
Frequently Asked Questions
KAT-Coder-Air V2.5 by OpenRouter costs $0.15 per 1M input tokens and $0.60 per 1M output tokens. Cached reads cost $0.03 per 1M tokens.
Model Details
ID
kwaipilot/kat-coder-air-v2.5
Provider
OpenRouterFamily
kat-coder
Release Date
Jul 10, 2026
Knowledge Cutoff
N/A
API Integration
NPM Package
@openrouter/ai-sdk-provider
Environment Variables
OPENROUTER_API_KEY
API Base URL
https://openrouter.ai/api/v1