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| Spec | Z.AI |
|---|---|
| Params | 358B |
| Architecture | moe |
| Context | 205K |
| Weights | |
| License | MIT License |
| 225.9 GBest | |
| Cheapest hosted (out/1M) | $1.75 · OpenRouter |
| Released | Dec 22, 2025 |
| Arena Coding | 1485.4 |
| Arena Creative Writing | 1405.1 |
| Arena Hard Prompts | 1462.8 |
| Arena Instruction Following | 1427.8 |
| Arena Maths | 1428.2 |
| Arena Text (overall) | 1442.1 |
| Arena Code (WebDev) | 1433.5 |
