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| Spec | Z.ai |
|---|---|
| Params | 754B |
| Architecture | moe |
| Context | 205K |
| License | |
| License terms | MIT License |
| 475.3 GBest | |
| Cheapest hosted (out/1M) | $3.03 · OpenRouter |
| Released | Apr 3, 2026 |
| Arena Agent | 35th of 55 |
| Arena Agent · Recoverygets back on track after a command fails | 45th of 55 |
| Arena Agent · Steerabilitydoes what it was asked, and changes course when told | 30th of 55 |
| Arena Agent · Task outcomefinishes what the session set out to do | 26th of 55 |
| Arena Agent · Tool usereaches for the right one, and does not invent one | 49th of 55 |
| Arena Coding | 1513 |
| Arena Creative Writing | 1448 |
| Arena Hard Prompts | 1488 |
| Arena Instruction Following | 1460 |
| Arena Maths | 1475 |
| Arena Text (overall) | 1465 |
| Arena Code (WebDev) | 1508 |