Comparing 2 models

Claude Opus 4.8 vs Kimi K3

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

metric
Model 1Claude Opus 4.8
Model 2Kimi K3
Best for
Agentic Coding (#2)
Coding (#1)
Provider
anthropic
moonshotai
Context
1M
1.0MBest
Input / 1M
$5
$3Best
Output / 1M
$25
$15Best
Tool use
yesBest
yesBest
Vision
yesBest
yesBest
Reasoning
yesBest
yesBest
Open-weight
Released
May 28, 2026
Jul 16, 2026