Comparing 2 models

Kimi K3 vs GPT-5.4

Facts first, then task-specific rankings. A highlighted cell is better only for that row, not universally.

metric
Model 1Kimi K3
Model 2GPT-5.4
Best for
a General Assistant (#1)
Fast Summaries (#1)
Provider
moonshotai
openai
Context
1.0M
1.1MBest
Input / 1M
$3
$2.50Best
Output / 1M
$15Best
$15Best
Tool use
yesBest
yesBest
Vision
yesBest
yesBest
Reasoning
yesBest
yesBest
Open-weight
Released
Jul 16, 2026
Mar 5, 2026