GPT-5.6 Terra vs Mistral Medium 3
Compare GPT-5.6 Terra by OpenAI against Mistral Medium 3 by Mistral AI, context windows of 1.1M vs 131K, tested across 54 shared challenges.
Our Verdict
GPT-5.6 Terra
Mistral Medium 3Runner-up
No community votes yet. On paper, GPT-5.6 Terra has the edge — newer, bigger context window, major provider backing.
Mistral Medium 3 is 7.5x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
GPT-5.6 Terra
Input
$2.50
Output
$15.00
Mistral Medium 3
Input
$0.40
6.3× cheaper
Output
$2.00
7.5× cheaper
Mistral Medium 3 is cheaper on both — 6.3× input, 7.5× output
Writing DNA
Style Comparison
Similarity
55%
Mistral Medium 3 uses 6.0x more emoji
GPT-5.6 Terra
Mistral Medium 3
57%Vocabulary57%
18wSentence Length17w
0.85Hedging0.73
2.8Bold8.6
4.6Lists6.5
0.00Emoji0.06
1.12Headings1.18
0.06Transitions0.15
Based on 27 + 15 text responses
Research
What we learned reading every model
FAQ
