ClaudevsMoonshot (Kimi)

Claude Fable 5.1 vs Kimi K3

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

Pricing

Side-by-side pricing

Claude Fable 5.1

Flagship

Kimi K3

Flagship
Input $/MTok
$10.00
$3.00
Output $/MTok
$50.00
$15.00
Cache discount
98% off
90% off
Context
1M
1M

Quality

Task confidence comparison

Confidence score from zero to one hundred by task type, where higher is better.
Code Generation
74
vs
0
Code Review
0
vs
0
Summarization
71
vs
0
Q&A
0
vs
0
Extraction
75
vs
0
Reasoning
92
vs
0
Classification
0
vs
0
Creative Writing
78
vs
0
Claude Fable 5.1
Kimi K3

Guidance

When to use Claude Fable 5.1 vs Kimi K3

Choose Claude Fable 5.1 when...

  • Similar performance; consider provider preference or ecosystem fit.

Choose Kimi K3 when...

  • -Cost matters: 70% cheaper on input tokens

At scale

Cost at scale

Estimated cost assuming a seventy percent input and thirty percent output token split.
Claude Fable 5.1
Kimi K3
100K tokens
$2.20
$0.66Cheaper
1M tokens
$22.00
$6.60Cheaper
10M tokens
$220.00
$66.00Cheaper

FAQ

When should I use Claude Fable 5.1 instead of Kimi K3?

Claude Fable 5.1 and Kimi K3 perform similarly across all tracked tasks. Pick based on pricing and provider preference.

Is Kimi K3 cheaper than Claude Fable 5.1?

Yes. Kimi K3 input costs $3.00/MTok vs $10.00/MTok for Claude Fable 5.1, saving 70% on input.

What are the context window sizes for Claude Fable 5.1 and Kimi K3?

Claude Fable 5.1 has a 1M token context window. Kimi K3 has a 1M token context window.

Track your real costs

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