Claude Opus 5.5 (Xhigh, Default Fallback) vs Claude Sonnet 4.6 (Non-reasoning, Low)
Claude Opus 5.5 (Xhigh, Default Fallback) vs Claude Sonnet 4.6 (Non-reasoning, Low). A reliable intelligence-versus-cost verdict requires both models' intelligence scores and benchmark-run costs. Missing data is not a performance verdict.
Verdict
Comparison incomplete
A reliable intelligence-versus-cost verdict requires both models' intelligence scores and benchmark-run costs. Missing data is not a performance verdict.
| Metric | Claude Opus 5.5 (Xhigh, Default Fallback) | Claude Sonnet 4.6 (Non-reasoning, Low) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 56.0 | 23.3 | −58.4% Claude Sonnet 4.6 (No… is 58.4% less intelligent |
| Total AA cost (lower is better) | $4,056.65 | Not reported | — not comparable |
| End-to-end time (lower is better) | 127.77s | 11.12s | −91.3% Claude Sonnet 4.6 (No… is 91.3% faster |
| Price per 1M tokens (in / out) | $4.00 / $20.0 | $3.00 / $15.0 | |
| Input modalities | Text, Image | Text, Image |
Matchup
Compare something else
Agents:
Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/claude-opus-5-5-xhigh/claude-sonnet-4-6-non-reasoning-low-effort · Markdown: /api/v1/compare/claude-opus-5-5-xhigh/claude-sonnet-4-6-non-reasoning-low-effort?format=md · llms.txt · agent skill