Claude Opus 4.7 vs OpenRouter Fusion · Quality (Jun 2026)
Compare Claude Opus 4.7 by Anthropic against OpenRouter Fusion · Quality (Jun 2026) by OpenRouter, context windows of 1.0M vs 256K, tested across 54 shared challenges.
Our Verdict
Claude Opus 4.7
OpenRouter Fusion · Quality (Jun 2026)
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 Opus 4.7
Input
$5.00
Output
$25.00
OpenRouter Fusion · Quality (Jun 2026)
Input
—
Output
—
Writing DNA
Style Comparison
Similarity
70%
OpenRouter Fusion · Quality (Jun 2026) uses 2.6x more transitions
Claude Opus 4.7
OpenRouter Fusion · Quality (Jun 2026)
64%Vocabulary55%
20wSentence Length21w
0.51Hedging0.47
4.6Bold4.0
3.8Lists2.0
0.86Emoji0.68
1.60Headings0.73
0.03Transitions0.09
Based on 27 + 27 text responses
Research
What we learned reading every model
FAQ
