Claude Sonnet 4.5 vs MiniMax M3
Compare Claude Sonnet 4.5 by Anthropic against MiniMax M3 by MiniMax, context windows of 200K vs 1.0M, tested across 42 shared challenges.
Our Verdict
Claude Sonnet 4.5
MiniMax M3
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
MiniMax M3 is 13x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
Claude Sonnet 4.5
Input
$3.00
Output
$15.00
MiniMax M3
Input
$0.30
10× cheaper
Output
$1.20
13× cheaper
MiniMax M3 is cheaper on both — 10× input, 13× output
Writing DNA
Style Comparison
Similarity
57%
Claude Sonnet 4.5 uses 4.0x more sentence length
Claude Sonnet 4.5
MiniMax M3
64%Vocabulary55%
94wSentence Length24w
0.48Hedging0.52
4.9Bold5.2
8.0Lists3.0
0.45Emoji1.15
1.91Headings1.21
0.07Transitions0.02
Based on 20 + 27 text responses
Research
What we learned reading every model
FAQ
