Kimi K2 0905 API
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 $1.20/1M input and $1.20/1M output tokens, native tool calling support, open weights architecture. Access Kimi K2 0905 via the Synthetic API with up to 33K 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
33K
Tokens
Pricing
Standard (per 1M tokens)
Input
$1.20
Output
$1.20
Frequently Asked Questions
Kimi K2 0905 by Synthetic costs $1.20 per 1M input tokens and $1.20 per 1M output tokens.
Model Details
ID
hf:moonshotai/Kimi-K2-Instruct-0905
Provider
SyntheticFamily
kimi-k2
Release Date
Sep 5, 2025
Knowledge Cutoff
Oct 1, 2024
API Integration
NPM Package
@ai-sdk/openai-compatible
Environment Variables
SYNTHETIC_API_KEY
API Base URL
https://api.synthetic.new/openai/v1