GPTvsMoonshot (Kimi)

GPT 4o Mini vs Kimi K2

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

Pricing

Side-by-side pricing

GPT 4o Mini

Fast / Budget

Kimi K2

Mid-tier
Input $/MTok
$0.15
$0.95
Output $/MTok
$0.60
$4.00
Cache discount
50% off
83% off
Context
128K
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
GPT 4o Mini
Kimi K2

Guidance

When to use GPT 4o Mini vs Kimi K2

Choose GPT 4o Mini when...

  • -Cost matters: 84% cheaper on input tokens

Choose Kimi K2 when...

  • -You need a larger context window (256K vs 128K)
  • 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 4o Mini
Kimi K2
100K tokens
$0.03Cheaper
$0.19
1M tokens
$0.28Cheaper
$1.86
10M tokens
$2.85Cheaper
$18.65

FAQ

When should I use GPT 4o Mini instead of Kimi K2?

GPT 4o Mini and Kimi K2 perform similarly across all tracked tasks. Pick based on pricing and provider preference.

Is Kimi K2 cheaper than GPT 4o Mini?

Kimi K2 input costs $0.95/MTok, which is 533% more than GPT 4o Mini at $0.15/MTok.

What are the context window sizes for GPT 4o Mini and Kimi K2?

GPT 4o Mini has a 128K 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.