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| Spec | Z.ai |
|---|---|
| Params | 357B |
| Architecture | moe |
| Context | 205K |
| License | |
| License terms | MIT License |
| 225 GBest | |
| Cheapest hosted (out/1M) | $1.75 · OpenRouter |
| Released | Sep 29, 2025 |
| Arena Coding | 1458 |
| Arena Creative Writing | 1400 |
| Arena Hard Prompts | 1442 |
| Arena Instruction Following | 1412 |
| Arena Maths | 1418 |
| Arena Text (overall) | 1424 |
| Arena Code (WebDev) | 1339 |
| SWE-bench Verified | 68.2 |
