Z AI
GLM-5.3-Flash is Z.ai’s native multimodal coding model, featuring 320B total parameters, 18B activated parameters, and a 1M-token context window. Its efficient hybrid attention architecture supports visual coding, tool use, and end-to-end professional workflows across code, browsers, documents, and graphical interfaces.
Z AI releasesRank #49 across 687
Rank #55 across 330
Rank #73 across 432
Percentile score by analysis domain.
* Cost is inverted: lower input, output, and blended prices rank higher.
Higher bars mean stronger relative placement.
| Metric | Domain | Value | Rank |
|---|---|---|---|
| Artificial Analysis Intelligence Index | overall | 41.8 | #49 |
| Artificial Analysis Coding Index | coding | 71.5 | #55 |
| LiveBench Mathematics | math | 81.2% | #45 |
| GPQA | reasoning | 91.2% | #51 |
| Humanity's Last Exam |
| reasoning |
| 39.9% |
| #70 |
| SciCode | coding, reasoning | 51.6% | #74 |
| Output Speed | speed | 57.2 tok/s | #136 |
| Time to First Token | speed | 3.04s | #123 |
| Blended Price | cost | $0.237/M | #73 |
| Input Price | cost | $0.150/M | #72 |
| Output Price | cost | $0.500/M | #76 |
| Value Index | cost, overall | 176.4 | #13 |