tokevenGPTvsMoonshot (Kimi)
GPT 5.4 Mini vs Kimi K3
Side-by-side comparison of pricing, task quality, and projected cost at higher scale.
Pricing
Side-by-side pricing
GPT 5.4 Mini
Fast / BudgetKimi K3
FlagshipInput $/MTok
$0.75
$3.00
Output $/MTok
$4.50
$15.00
Cache discount
90% off
90% off
Context
272K
1M
Quality
Task confidence comparison
Confidence score from zero to one hundred by task type, where higher is better.
Code Generation
54
vs
0
Code Review
0
vs
0
Summarization
58
vs
0
Q&A
0
vs
0
Extraction
75
vs
0
Reasoning
71
vs
0
Classification
0
vs
0
Creative Writing
67
vs
0
GPT 5.4 Mini
Kimi K3
Guidance
When to use GPT 5.4 Mini vs Kimi K3
Choose GPT 5.4 Mini when...
- -Cost matters: 75% cheaper on input tokens
Choose Kimi K3 when...
- -You need a larger context window (1M vs 272K)
- 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 5.4 Mini
Kimi K3
100K tokens
$0.19Cheaper
$0.66
1M tokens
$1.87Cheaper
$6.60
10M tokens
$18.75Cheaper
$66.00
FAQ
When should I use GPT 5.4 Mini instead of Kimi K3?
GPT 5.4 Mini and Kimi K3 perform similarly across all tracked tasks. Pick based on pricing and provider preference.
Is Kimi K3 cheaper than GPT 5.4 Mini?
Kimi K3 input costs $3.00/MTok, which is 300% more than GPT 5.4 Mini at $0.75/MTok.
What are the context window sizes for GPT 5.4 Mini and Kimi K3?
GPT 5.4 Mini has a 272K token context window. Kimi K3 has a 1M token context window.
Go deeper on either model
Per-call cost calculators, provider lineups, and price history for both models on this page.
Other comparisons
How GPT 5.4 Mini and Kimi K3 stack up against the rest of the field.
Track your real costs
Comparisons show estimated costs at list price. The dashboard reveals your real spend and savings.