GPTvsMoonshot (Kimi)

GPT 4.1 Nano vs Kimi K3

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

Pricing

Side-by-side pricing

GPT 4.1 Nano

Fast / Budget

Kimi K3

Flagship
Input $/MTok
$0.10
$3.00
Output $/MTok
$0.40
$15.00
Cache discount
75% off
90% off
Context
1.0M
1M

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
GPT 4.1 Nano
Kimi K3

Guidance

When to use GPT 4.1 Nano vs Kimi K3

Choose GPT 4.1 Nano when...

  • -Cost matters: 97% cheaper on input tokens
  • -You need a larger context window (1.0M vs 1M)

Choose Kimi K3 when...

  • Similar performance; consider provider preference or ecosystem fit.

At scale

Cost at scale

Estimated cost assuming a seventy percent input and thirty percent output token split.
GPT 4.1 Nano
Kimi K3
100K tokens
$0.02Cheaper
$0.66
1M tokens
$0.19Cheaper
$6.60
10M tokens
$1.90Cheaper
$66.00

FAQ

When should I use GPT 4.1 Nano instead of Kimi K3?

GPT 4.1 Nano and Kimi K3 perform similarly across all tracked tasks. Pick based on pricing and provider preference.

Is Kimi K3 cheaper than GPT 4.1 Nano?

Kimi K3 input costs $3.00/MTok, which is 2900% more than GPT 4.1 Nano at $0.10/MTok.

What are the context window sizes for GPT 4.1 Nano and Kimi K3?

GPT 4.1 Nano has a 1.0M 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.