Claude Opus 5 vs DeepSeek: DeepSeek V4 Flash 0731
Claude Opus 5anthropic/claude-opus-5VS
DeepSeek: DeepSeek V4 Flash 0731deepseek/deepseek-v4-flash-0731Claude Opus 5 wins on more metrics (4 of 7), but the right pick depends on what you optimize for — see the breakdown below.
| Metric | Claude Opus 5 | DeepSeek: DeepSeek V4 Flash 0731 |
|---|---|---|
| Intelligence Index | 60.7✓ | 49.9 |
| Coding Index | 78.0✓ | 69.1 |
| GPQA Diamond | 93%✓ | 91% |
| Design Arena Elo | 1384✓ | 1246 |
| Speed (tokens/sec) | — | — |
| Latency | — | — |
| Input price /M | $5.00 | $0.140✓ |
| Output price /M | $25.00 | $0.280✓ |
| Context window | 1M | 1.0M✓ |
| Capabilities | ReasoningToolsJSONVision | ReasoningToolsJSON |
Frequently asked
Is Claude Opus 5 better than DeepSeek: DeepSeek V4 Flash 0731?
Claude Opus 5 wins on more metrics (4 of 7), but the right pick depends on what you optimize for — see the breakdown below.
What are the biggest differences between Claude Opus 5 and DeepSeek: DeepSeek V4 Flash 0731?
The table on this page compares Claude Opus 5 and DeepSeek: DeepSeek V4 Flash 0731 metric by metric — intelligence benchmarks, coding score, speed, latency, context window and per-token price — with the winner marked on each row. Data refreshes hourly.