OpenAI: GPT-5.6 Terra vs INTELLECT-3
Compare OpenAI: GPT-5.6 Terra by OpenAI against INTELLECT-3 by OpenRouter, tested across 54 shared challenges.
Our Verdict
OpenAI: GPT-5.6 Terra
INTELLECT-3Runner-up
No community votes yet. On paper, OpenAI: GPT-5.6 Terra has the edge — newer, bigger context window, major provider backing.
Too close to call
API pricing
Cost per 1M tokens
OpenAI: GPT-5.6 Terra
Input
$2.50
Output
$15.00
INTELLECT-3
Input
—
Output
—
Writing DNA
Style Comparison
Similarity
53%
INTELLECT-3 uses 1.7x more emoji
OpenAI: GPT-5.6 Terra
INTELLECT-3
57%Vocabulary55%
18wSentence Length21w
0.85Hedging0.60
2.8Bold4.9
4.6Lists4.7
0.00Emoji0.02
1.12Headings1.16
0.06Transitions0.25
Based on 27 + 24 text responses
Research
What we learned reading every model
FAQ
