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K2-Think

moonshotai·moonshotai/k2-think·GA·Open weights·kimi-thinking series

Kimi reasoning model for long-horizon research, planning, and tool use

At a glance
Reference price$0.17 / $0.68 per 1M
Cache read $0.085 · NanoGPT
Lowest paid$0.17 / $0.68
NanoGPT Gateway
Context128,000
Output limit32,768
Capabilities
ReasoningTool useStructured output? TemperatureAttachments
Modalities
Text
Knowledge cutoff
Released / updated2025-07-26 / 2025-07-26

Quality & performance

Artificial Analysis doesn't cover this model (267 of 2059 have data). Quality data comes from independent evals covering widely used models.

Available at 1 providers1 with public prices

ProviderTierInputOutputCache readCache writeContextOutput limitStatus
NanoGPT
LLM360/K2-Think
Gateway$0.17$0.68$0.085128,00032,768

Sorted by blended price (input×0.75 + output×0.25) asc. The official channel always shows regardless of rank. Whether a gateway's low price is actually usable can't be verified.

Your usage cost

1NanoGPT$57.80
The cheapest paid channel is the only channel.

Related models

Price historyone sample accumulated per data sync

Input listOutput listMin blended
$0.68$02026-08-052026-08-132026-08-05 · Input list $0.172026-08-06 · Input list $0.172026-08-07 · Input list $0.172026-08-08 · Input list $0.172026-08-09 · Input list $0.172026-08-10 · Input list $0.172026-08-11 · Input list $0.172026-08-12 · Input list $0.172026-08-13 · Input list $0.172026-08-05 · Output list $0.682026-08-06 · Output list $0.682026-08-07 · Output list $0.682026-08-08 · Output list $0.682026-08-09 · Output list $0.682026-08-10 · Output list $0.682026-08-11 · Output list $0.682026-08-12 · Output list $0.682026-08-13 · Output list $0.682026-08-05 · Min blended $0.2972026-08-06 · Min blended $0.2972026-08-07 · Min blended $0.2972026-08-08 · Min blended $0.2972026-08-09 · Min blended $0.2972026-08-10 · Min blended $0.2972026-08-11 · Min blended $0.2972026-08-12 · Min blended $0.2972026-08-13 · Min blended $0.297