Claude Opus 5 (High) vs Gemini 2.5 Flash (Reasoning)
Claude Opus 5 (High) vs Gemini 2.5 Flash (Reasoning). 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 (High) | Gemini 2.5 Flash (Reasoning) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 48.1 | 13.1 | −72.8% Gemini 2.5 Flash (Rea… is 72.8% less intelligent |
| Total AA cost (lower is better) | $4,331.68 | Not reported | — not comparable |
| End-to-end time (lower is better) | 24.66s | 17.17s | −30.4% Gemini 2.5 Flash (Rea… is 30.4% faster |
| Price per 1M tokens (in / out) | $5.00 / $25.0 | $0.30 / $2.50 | |
| Input modalities | Text, Image | Text, Image, Speech, Video |
Matchup
Compare something else
Agents:
Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/claude-opus-5-high/gemini-2-5-flash-reasoning · Markdown: /api/v1/compare/claude-opus-5-high/gemini-2-5-flash-reasoning?format=md · llms.txt · agent skill