Claude 3 Sonnet vs OpenAI: GPT-5.6 Terra
Compare Claude 3 Sonnet by Anthropic against OpenAI: GPT-5.6 Terra by OpenAI, tested across 13 shared challenges.
Our Verdict
Claude 3 Sonnet
OpenAI: GPT-5.6 Terra
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
Too close to call
API pricing
Cost per 1M tokens
Claude 3 Sonnet
Input
$3.00
Output
$15.00
OpenAI: GPT-5.6 Terra
Input
$2.50
1.2× cheaper
Output
$15.00
Writing DNA
Style Comparison
Similarity
49%
OpenAI: GPT-5.6 Terra uses 275.5x more bold
Claude 3 Sonnet
OpenAI: GPT-5.6 Terra
48%Vocabulary57%
14wSentence Length18w
0.32Hedging0.85
0.0Bold2.8
3.6Lists4.6
0.00Emoji0.00
0.00Headings1.12
0.38Transitions0.06
Based on 4 + 27 text responses
Research
What we learned reading every model
FAQ
