Claude Opus 4.8 vs OpenRouter Fusion · Budget (Jun 2026)
Compare Claude Opus 4.8 by Anthropic against OpenRouter Fusion · Budget (Jun 2026) by OpenRouter, context windows of 1.0M vs 256K, tested across 45 shared challenges.
Our Verdict
Claude Opus 4.8
OpenRouter Fusion · Budget (Jun 2026)Runner-up
No community votes yet. On paper, Claude Opus 4.8 has the edge — bigger context window, major provider backing.
Too close to call
API pricing
Cost per 1M tokens
Claude Opus 4.8
Input
$5.00
Output
$25.00
OpenRouter Fusion · Budget (Jun 2026)
Input
—
Output
—
Writing DNA
Style Comparison
Similarity
48%
Claude Opus 4.8 uses 77.6x more emoji
Claude Opus 4.8
OpenRouter Fusion · Budget (Jun 2026)
60%Vocabulary58%
19wSentence Length22w
0.46Hedging0.13
4.7Bold3.8
3.2Lists1.7
0.78Emoji0.01
1.15Headings0.93
0.04Transitions0.17
Based on 27 + 27 text responses
Research
What we learned reading every model
FAQ
