Google: Gemini 2.5 Flash Preview 09-2025 vs Mistral Small 4
Compare Google: Gemini 2.5 Flash Preview 09-2025 by Google AI against Mistral Small 4 by Mistral AI, context windows of 1.0M vs 262K, tested across 50 shared challenges.
Our Verdict
Google: Gemini 2.5 Flash Preview 09-2025
Mistral Small 4Runner-up
No community votes yet. On paper, Google: Gemini 2.5 Flash Preview 09-2025 has the edge — bigger model tier, bigger context window, major provider backing.
Mistral Small 4 is 4.2x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
Google: Gemini 2.5 Flash Preview 09-2025
Input
$0.30
Output
$2.50
Mistral Small 4
Input
$0.15
2.0× cheaper
Output
$0.60
4.2× cheaper
Mistral Small 4 is cheaper on both — 2.0× input, 4.2× output
Writing DNA
Style Comparison
Similarity
68%
Mistral Small 4 uses 2.0x more hedging
Google: Gemini 2.5 Flash Preview 09-2025
Mistral Small 4
53%Vocabulary50%
19wSentence Length18w
0.30Hedging0.58
5.8Bold9.0
3.1Lists5.6
0.14Emoji0.19
0.93Headings1.10
0.22Transitions0.12
Based on 22 + 23 text responses
Research
What we learned reading every model
FAQ
