Model specification · Moonshot AI

Kimi K3

moonshotai/kimi-k3

Kimi K3 is a 2.8T parameter open-weight multimodal reasoning model from Moonshot AI. It is suited for complex coding, knowledge work, and long-horizon agentic workflows, and is particularly strong at...

SpecificationsReported values
Context window
1.0M
Maximum output
944K
Architecture
text+image+video->text
Tokenizer
Other
Knowledge cutoff
—
Moderated
No
Input modalities
text image video
Output modalities
text
Full pricingUSD where reported
PriceStandard
Input$1.70 / M
Output$8.50 / M
Benchmark indexesReported indexes
Intelligence
43.8
Coding
76.2
Agentic
50.6
Design Arena Elo
1319
Example workload costsStandard pricing only
WorkloadInput / outputCache shareEstimated cost
Quick check10K / 1K × 10%$0.026
Long analysis100K / 4K × 150%$0.128
Workday20K / 2K × 1,00030%$41.82
More from Moonshot AIAll Moonshot AI models
ModelContextInput / MOutput / MIntel.
Kimi K2.6262K$0.950$4.0027.5
Kimi K2.7 Code262K$0.706$3.2126.3