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Add up to four models via ?models=slug-a,slug-b — or pick from any model page.
| Spec | Z.ai |
|---|---|
| Params | 358B |
| Architecture | moe |
| Context | 205K |
| License | |
| License terms | MIT License |
| 225.9 GBest | |
| Cheapest hosted (out/1M) | $2.20 · OpenRouter |
| Released | Dec 22, 2025 |
| Arena Coding | 1484 |
| Arena Creative Writing | 1404 |
| Arena Hard Prompts | 1462 |
| Arena Instruction Following | 1425 |
| Arena Maths | 1428 |
| Arena Text (overall) | 1441 |
| Arena Code (WebDev) | 1435 |
