Kimi K2 (09/05) model ID, context window & pricing
kimi-k2
Quick facts
Model ID kimi-k2-0905
Source Helicone
Context Window 262144
Pricing $0.50 input / $2.00 output per 1M tokens
Capabilities tool calling, temperature control
Model overview
Kimi K2 (09/05) is an AI model from Helicone with 262144 token context window and text input support.
Published pricing is $0.50 input and $2.00 output per 1M tokens.
- Workloads that use text inputs with text outputs.
- Agent and tool workflows that need function calling.
Model ID kimi-k2-0905
Provider Helicone
Family kimi-k2
Status -
Knowledge Cutoff 2025-09
Release Date 2025-09-05
Input Modalities text
Output Modalities text
Context Window 262144
Input Limit -
Output Limit 16384
Tool Calling Yes
Reasoning No
Structured Output -
Temperature Control Yes
Open Weights No
Input Cost / 1M tokens $0.50
Output Cost / 1M tokens $2.00
Reasoning Cost / 1M tokens -
Cache Read Cost / 1M tokens $0.40
Cache Write Cost / 1M tokens -