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| Spec | DeepSeek | Z.AI |
|---|---|---|
| Params | 685B / 37B | 754B |
| Architecture | moe | moe |
| Context | 164K | 205K |
| Weights | ||
| License | MIT License | MIT License |
| 432.1 GBest | 475.3 GBest | |
| Cheapest hosted (out/1M) | $0.40 · Novita AI | $2.55 · OpenRouter |
| Released | Dec 1, 2025 | Feb 11, 2026 |
| Arena Coding | 1469.6 | 1497.4 |
| Arena Creative Writing | 1400.4 | 1446.2 |
| Arena Hard Prompts | 1447.2 | 1477.9 |
| Arena Instruction Following | 1420.6 | 1446.6 |
| Arena Maths | 1428.5 | 1442.3 |
| Arena Text (overall) | 1425 | 1456.7 |
| Arena Code (WebDev) | 1323.4 | 1434.7 |
| SWE-bench Verified | 70via mini-SWE-agent | 72.8via mini-SWE-agent |
