Claude Opus 4.5 is the newer model, released after DeepSeek R1 0528.
| Spec | Claude Opus 4.5 | DeepSeek R1 0528 |
|---|---|---|
| Input price | — | Free |
| Output price | — | Free |
| Context window | — | 164K tokens |
| Released | Nov 2025 | May 2025 |
| SWE-bench Verified | 80.9% | 57.6% |
Not enough votes to call it. On the specs, nothing separates them.
Claude Opus 4.5 uses 15.2x more emoji
Claude Opus 4.5 is the newer model, released after DeepSeek R1 0528.
| Spec | Claude Opus 4.5 | DeepSeek R1 0528 |
|---|---|---|
| Input price | — | Free |
| Output price | — | Free |
| Context window | — | 164K tokens |
| Released | Nov 2025 | May 2025 |
| SWE-bench Verified | 80.9% | 57.6% |
Not enough votes to call it. On the specs, nothing separates them.
Claude Opus 4.5 uses 15.2x more emoji