GPT-5 Mini vs OpenAI: GPT-5.6 Terra
Compare GPT-5 Mini and OpenAI: GPT-5.6 Terra, both from OpenAI, tested across 54 shared challenges.
Our Verdict
OpenAI: GPT-5.6 Terra
GPT-5 MiniRunner-up
No community votes yet. On paper, OpenAI: GPT-5.6 Terra has the edge — bigger model tier, newer, bigger context window.
GPT-5 Mini is 7.5x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
GPT-5 Mini
Input
$0.25
10× cheaper
Output
$2.00
7.5× cheaper
OpenAI: GPT-5.6 Terra
Input
$2.50
Output
$15.00
GPT-5 Mini is cheaper on both — 10× input, 7.5× output
Writing DNA
Style Comparison
Similarity
56%
OpenAI: GPT-5.6 Terra uses 275.5x more bold
GPT-5 Mini
OpenAI: GPT-5.6 Terra
62%Vocabulary57%
21wSentence Length18w
0.16Hedging0.85
0.0Bold2.8
3.4Lists4.6
0.00Emoji0.00
0.00Headings1.12
0.05Transitions0.06
Based on 15 + 27 text responses
Research
What we learned reading every model
FAQ
