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 $0.60/1M input and $3.00/1M output tokens, native tool calling support, open weights architecture. Access Kimi K2.5 via the Cloudflare Workers AI API with up to 256K output tokens.
Capabilities
Input Modalities
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Output Modalities
text
Reasoning
Yes
Limits
Context Window
256K
Tokens
Input Limit
256K
Tokens
Max Output
256K
Tokens
Pricing
Standard (per 1M tokens)
Input
$0.60
Output
$3.00
Caching (per 1M tokens)
Read
$0.10
Frequently Asked Questions
Kimi K2.5 by Cloudflare Workers AI costs $0.60 per 1M input tokens and $3.00 per 1M output tokens. Cached reads cost $0.10 per 1M tokens.
Model Details
ID
@cf/moonshotai/kimi-k2.5
Provider
Cloudflare Workers AIFamily
kimi
Release Date
Jan 27, 2026
Knowledge Cutoff
Jan 1, 2025
API Integration
NPM Package
@ai-sdk/openai-compatible
Environment Variables
CLOUDFLARE_ACCOUNT_ID
CLOUDFLARE_API_KEY
API Base URL
https://api.cloudflare.com/client/v4/accounts/${CLOUDFLARE_ACCOUNT_ID}/ai/v1