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Kimi K2 0905

moonshotai·moonshotai/kimi-k2-0905·Deprecated·Open weights·kimi-k2 series

Kimi model for long-context chat, coding, and agentic reasoning

At a glance
Official price$0.60 / $2.50 per 1M
Cache read $0.15 · Moonshot AI
Lowest paid$0.40 / $1.80
NanoGPT Gateway · 1.5× spread
2 more $0 channels
Context262,144
⚠ Providers report 256,000–262,144; the table below is authoritative
Output limit262,144
Capabilities
ReasoningTool useStructured outputTemperatureAttachments
⚠ Providers report capability flags inconsistently
Modalities
Text
Knowledge cutoff2024-10
Released / updated2025-09-05 / 2026-01

Quality & performanceArtificial Analysis · Intelligence Index v4.1

Intelligence24
Value32
Coding
Agentic
Output speed41 tok/s
TTFT1.13 s
Value formulaIQ 24 ÷ min blended $0.750 = 32

Quality is independently evaluated by Artificial Analysis. Speed/latency are model-level medians.

Available at 11 providers8 with public prices · 2 free

ProviderTierInputOutputCache readCache writeContextOutput limitStatus
Nvidia
moonshotai/kimi-k2-instruct-0905
First-partyFree262,144262,144deprecated
iFlowGatewayFree256,00064,000
NanoGPT
moonshotai/Kimi-K2-Instruct-0905
Gateway$0.40$1.80$0.20256,000262,144
HeliconeGateway$0.50$2.00$0.40262,14416,384
Jiekou.AIGateway$0.60$2.50262,144262,144
OpenRouterGateway$0.60$2.50262,144100,352
Moonshot AIOfficial
kimi-k2-0905-preview
First-party$0.60$2.50$0.15262,144262,144
ZenMuxGateway$0.60$2.50$0.15262,00064,000deprecated
NovitaAIGateway$0.60$2.50262,144262,144
Moonshot AI (China)Official
kimi-k2-0905-preview
First-party$0.60$2.50$0.15262,144262,144
QiniuGateway256,000100,000hostTable.undisclosed

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$146.00
2Helicone$188.00
3Moonshot AI · Official$191.00
4ZenMux$191.00
5Moonshot AI (China) · Official$191.00
6Jiekou.AI$245.00

2 more channels offer $0 (Nvidia, iFlow); free tiers usually have rate limits and no SLA, excluded from ranking.

Switch to NanoGPT to save $45.00/mo (24%)
Note: this is a gateway; verify availability and rate limits yourself.

Related models

Price historyone sample accumulated per data sync

Input listOutput listMin blended
$2.50$02026-08-052026-08-132026-08-05 · Input list $0.602026-08-06 · Input list $0.602026-08-07 · Input list $0.602026-08-08 · Input list $0.602026-08-09 · Input list $0.602026-08-10 · Input list $0.602026-08-11 · Input list $0.602026-08-12 · Input list $0.602026-08-13 · Input list $0.602026-08-05 · Output list $2.502026-08-06 · Output list $2.502026-08-07 · Output list $2.502026-08-08 · Output list $2.502026-08-09 · Output list $2.502026-08-10 · Output list $2.502026-08-11 · Output list $2.502026-08-12 · Output list $2.502026-08-13 · Output list $2.502026-08-05 · Min blended $0.752026-08-06 · Min blended $0.752026-08-07 · Min blended $0.752026-08-08 · Min blended $0.752026-08-09 · Min blended $0.752026-08-10 · Min blended $0.752026-08-11 · Min blended $0.752026-08-12 · Min blended $0.752026-08-13 · Min blended $0.75