Claude Fable 5 vs Mistral Medium 3.1
Compare Claude Fable 5 by Anthropic against Mistral Medium 3.1 by Mistral AI, context windows of 1.0M vs 131K, tested across 54 shared challenges.
Our Verdict
Claude Fable 5
Mistral Medium 3.1Runner-up
No community votes yet. On paper, Claude Fable 5 has the edge — bigger model tier, newer, bigger context window, major provider backing.
Mistral Medium 3.1 is 25x cheaper per token — worth considering if cost matters.
Slight edge
API pricing
Cost per 1M tokens
Claude Fable 5
Input
$10.00
Output
$50.00
Mistral Medium 3.1
Input
$0.40
25× cheaper
Output
$2.00
25× cheaper
Mistral Medium 3.1 is cheaper on both — 25× input, 25× output
Writing DNA
Style Comparison
Similarity
40%
Mistral Medium 3.1 uses 3.8x more transitions
Claude Fable 5
Mistral Medium 3.1
60%Vocabulary52%
22wSentence Length22w
0.49Hedging0.45
4.0Bold10.4
3.5Lists5.9
0.58Emoji0.39
1.09Headings1.12
0.05Transitions0.18
Based on 27 + 22 text responses
Research
What we learned reading every model
FAQ
