tokevenGPTvsMoonshot (Kimi)
o4 Mini vs Kimi K3
Side-by-side comparison of pricing, task quality, and projected cost at higher scale.
Pricing
Side-by-side pricing
o4 Mini
Fast / BudgetKimi K3
FlagshipInput $/MTok
$1.10
$3.00
Output $/MTok
$4.40
$15.00
Cache discount
75% off
90% off
Context
200K
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
o4 Mini
Kimi K3
Guidance
When to use o4 Mini vs Kimi K3
Choose o4 Mini when...
- -Cost matters: 63% cheaper on input tokens
Choose Kimi K3 when...
- -You need a larger context window (1M vs 200K)
- 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.
o4 Mini
Kimi K3
100K tokens
$0.21Cheaper
$0.66
1M tokens
$2.09Cheaper
$6.60
10M tokens
$20.90Cheaper
$66.00
FAQ
When should I use o4 Mini instead of Kimi K3?
o4 Mini and Kimi K3 perform similarly across all tracked tasks. Pick based on pricing and provider preference.
Is Kimi K3 cheaper than o4 Mini?
Kimi K3 input costs $3.00/MTok, which is 173% more than o4 Mini at $1.10/MTok.
What are the context window sizes for o4 Mini and Kimi K3?
o4 Mini has a 200K 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 o4 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.