Claude Opus 4.5 (Reasoning) vs DeepSeek V4 Flash 0420 (Max)
Claude Opus 4.5 (Reasoning) vs DeepSeek V4 Flash 0420 (Max). 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 4.5 (Reasoning) | DeepSeek V4 Flash 0420 (Max) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 29.1 | 24.2 | −16.8% DeepSeek V4 Flash 042… is 16.8% less intelligent |
| Total AA cost (lower is better) | Not reported | $149.48 | — not comparable |
| End-to-end time (lower is better) | 22.98s | 103.74s | +351.4% DeepSeek V4 Flash 042… is 351.4% slower |
| Price per 1M tokens (in / out) | $5.00 / $25.0 | $0.11 / $0.23 | |
| Input modalities | Text, Image | Text |
Matchup
Compare something else
Agents:
Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/claude-opus-4-5-thinking/deepseek-v4-flash-0420 · Markdown: /api/v1/compare/claude-opus-4-5-thinking/deepseek-v4-flash-0420?format=md · llms.txt · agent skill