Claude 3.7 Sonnet vs GPT-5 Mini
Compare Claude 3.7 Sonnet by Anthropic against GPT-5 Mini by OpenAI, tested across 55 shared challenges. Updated May 2026.
Which is better, Claude 3.7 Sonnet or GPT-5 Mini?
Claude 3.7 Sonnet and GPT-5 Mini are both competitive models. Claude 3.7 Sonnet costs $3/M input tokens vs $0.25/M for GPT-5 Mini. Compare their real outputs side by side below.
Key Differences Between Claude 3.7 Sonnet and GPT-5 Mini
Claude 3.7 Sonnet is made by anthropic while GPT-5 Mini is from openai. On pricing, Claude 3.7 Sonnet costs $3/M input tokens vs $0.25/M for GPT-5 Mini.
API pricing
Per 1M tokens
Claude 3.7 Sonnet
Input
$3.00
Output
$15.00
GPT-5 Mini
Input
$0.25
12× cheaper
Output
$2.00
7.5× cheaper
GPT-5 Mini is cheaper on both — 12× input, 7.5× output
Our Verdict
Claude 3.7 Sonnet
GPT-5 Mini
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
GPT-5 Mini is 7.5x cheaper per token — worth considering if cost matters.
Too close to call
Writing DNA
Style Comparison
Similarity
40%
Claude 3.7 Sonnet uses 121.0x more bold
Claude 3.7 Sonnet
GPT-5 Mini
62%Vocabulary62%
35wSentence Length21w
0.99Hedging0.16
1.2Bold0.0
4.3Lists3.4
0.00Emoji0.00
1.78Headings0.00
0.23Transitions0.05
Based on 13 + 15 text responses
FAQ
