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| Spec | Z.AI |
|---|---|
| Params | 358B |
| Architecture | moe |
| Context | 131K |
| Weights | |
| License | MIT License |
| 225.9 GBest | |
| Cheapest hosted (out/1M) | $2.20 · OpenRouter |
| Released | Jul 20, 2025 |
| Arena Coding | 1454.3 |
| Arena Creative Writing | 1373 |
| Arena Hard Prompts | 1432.6 |
| Arena Instruction Following | 1404.7 |
| Arena Maths | 1413 |
| Arena Text (overall) | 1410.7 |
| SWE-bench Verified | 64.2 |
