Moonshot (Kimi)vsMoonshot (Kimi)

Kimi K3 vs Kimi K2

Side-by-side comparison of pricing, task quality, and projected cost at higher scale.

Pricing

Side-by-side pricing

Kimi K3

Flagship

Kimi K2

Mid-tier
Input $/MTok
$3.00
$0.95
Output $/MTok
$15.00
$4.00
Cache discount
90% off
83% off
Context
1M
256K

Quality

Task confidence comparison

Confidence score from zero to one hundred by task type, where higher is better.
Code Generation
0
vs
0
Code Review
0
vs
0
Summarization
0
vs
0
Q&A
0
vs
0
Extraction
0
vs
0
Reasoning
0
vs
0
Classification
0
vs
0
Creative Writing
0
vs
0
Kimi K3
Kimi K2

Guidance

When to use Kimi K3 vs Kimi K2

Choose Kimi K3 when...

  • -You need a larger context window (1M vs 256K)
  • Similar performance; consider provider preference or ecosystem fit.

Choose Kimi K2 when...

  • -Cost matters: 68% cheaper on input tokens

At scale

Cost at scale

Estimated cost assuming a seventy percent input and thirty percent output token split.
Kimi K3
Kimi K2
100K tokens
$0.66
$0.19Cheaper
1M tokens
$6.60
$1.86Cheaper
10M tokens
$66.00
$18.65Cheaper

FAQ

When should I use Kimi K3 instead of Kimi K2?

Kimi K3 and Kimi K2 perform similarly across all tracked tasks. Pick based on pricing and provider preference.

Is Kimi K2 cheaper than Kimi K3?

Yes. Kimi K2 input costs $0.95/MTok vs $3.00/MTok for Kimi K3, saving 68% on input.

What are the context window sizes for Kimi K3 and Kimi K2?

Kimi K3 has a 1M token context window. Kimi K2 has a 256K token context window.

Track your real costs

Comparisons show estimated costs at list price. The dashboard reveals your real spend and savings.