Claude Sonnet 4 vs DeepSeek R1 0528
| Spec | Claude Sonnet 4 | DeepSeek R1 0528 |
|---|---|---|
| Respan Index | 20.7 (#113) | 21.0 (#111) |
| Blended price per 1M | - | $0.912 |
| Context window | 200K | - |
| Input / output per 1M | - | $0.5 / $2.15 |
| Max output | 64K | 66K |
| Input | text, vision | text |
| Released | 2025-05-22 | 2025-05-28 |
Respan Index by category
Each category is scored 0 to 100, and how far ahead the winner is. Leads under a point are close to even.
| Category | Claude Sonnet 4 | DeepSeek R1 0528 |
|---|---|---|
| Coding | 8.4 Claude Sonnet 4 | 5.3 DeepSeek R1 0528 |
| Agents | 17.6 Claude Sonnet 4 | 18.9* DeepSeek R1 0528 |
| Reasoning | 22.6 Claude Sonnet 4 | 23.1 DeepSeek R1 0528 |
| Knowledge & language | 17.2* Claude Sonnet 4 | 19.6 DeepSeek R1 0528 |
| Human preference | 45.6 Claude Sonnet 4 | 48.0 DeepSeek R1 0528 |
* Estimated: no published scores in that category. How the Respan Index works
Benchmarks both report
Claude Sonnet 4 leads on 4 of the 7 benchmarks both report. Higher is better. Each score links to where it was published.
FAQ
Is Claude Sonnet 4 better than DeepSeek R1 0528?
DeepSeek R1 0528 scores 21.0 on the Respan Index (#111), ahead of Claude Sonnet 4 at 20.7 (#113). Claude Sonnet 4 leads on 4 of the 7 benchmarks both report.