Claude Haiku 4.5 vs Mistral Devstral Small 1.1
Compare Claude Haiku 4.5 by Anthropic against Mistral Devstral Small 1.1 by Mistral AI, tested across 54 shared challenges.
Our Verdict
Claude Haiku 4.5
Mistral Devstral Small 1.1Runner-up
No community votes yet. On paper, Claude Haiku 4.5 has the edge — bigger model tier, newer, bigger context window, major provider backing.
Mistral Devstral Small 1.1 is 17x cheaper per token — worth considering if cost matters.
Slight edge
API pricing
Cost per 1M tokens
Claude Haiku 4.5
Input
$1.00
Output
$5.00
Mistral Devstral Small 1.1
Input
$0.10
10× cheaper
Output
$0.30
17× cheaper
Mistral Devstral Small 1.1 is cheaper on both — 10× input, 17× output
Writing DNA
Style Comparison
Similarity
31%
Claude Haiku 4.5 uses 20.4x more emoji
Claude Haiku 4.5
Mistral Devstral Small 1.1
61%Vocabulary50%
47wSentence Length17w
0.64Hedging0.56
5.1Bold4.3
6.3Lists5.7
0.20Emoji0.00
2.46Headings0.05
0.17Transitions0.34
Based on 24 + 21 text responses
Research
What we learned reading every model
FAQ
