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| Spec | Z.AI | Z.AI |
|---|---|---|
| Params | 754B | 753B |
| Architecture | moe | moe |
| Context | 205K | 1M |
| Weights | ||
| License | MIT License | MIT License |
| 475.3 GBest | 475 GBest | |
| Cheapest hosted (out/1M) | $3.04 · OpenRouter | $2.42 · OpenRouter |
| Released | Apr 3, 2026 | Jun 16, 2026 |
| Arena Agent (IPS) | 0.004 | 0.071via Max |
| Arena Coding | 1518.4 | 1505.7via Max |
| Arena Creative Writing | 1448.1 | 1444.6via Max |
| Arena Hard Prompts | 1491.5 | 1488via Max |
| Arena Instruction Following | 1464.3 | 1464via Max |
| Arena Maths | 1482.6 | 1475.1via Max |
| Arena Text (overall) | 1468.8 | 1469.5via Max |
| Arena Code (WebDev) | 1516.2 | 1586.3via Max |
| LiveBench | — | 73.2 |
| LiveBench Agentic Coding | — | 51.8 |
| LiveBench Coding | — | 79.7 |
| LiveBench Data Analysis | — | 73.7 |
| LiveBench Instruction Following | — | 62.3 |
| LiveBench Language | — | 76.2 |
| LiveBench Mathematics | — | 89.8 |
| LiveBench Reasoning | — | 78.6 |
