Z.ai: GLM 5
GLM-5 is Z.ai’s flagship open-source foundation model engineered for complex systems design and long-horizon agent workflows. Built for expert developers, it delivers production-grade performance on large-scale programming tasks, rivaling leading...
Everything else
| Max output | 131K |
|---|---|
| Input / 1M | $0.95 |
| Output / 1M | $2.55 |
| Cache read / 1M | $0.2 |
| Cache write / 1M | — |
| 1M in + 1M out | $3.50 |
| Takes | text |
| Returns | text |
| Tools | yes |
| Reasoning | optional |
| Open weights | yes |
| Released | 2026-02-11 |
| Knowledge cutoff | — |
| Retires | — |
| Catalog id | z-ai/glm-5 |
Benchmarks
| source | epoch |
|---|---|
| eci | 146.41 |
| confidence | Likely |
| accessibility | Open weights (unrestricted) |
| gpqa | 0.878 |
| gpqaStderr | 0.0234 |
| sweBenchVerified | 0.721 |
| sweBenchVerifiedStderr | 0.0209 |
| frontierMath | 0.164 |
| frontierMathStderr | 0.022 |
| aime | 0.8 |
| aimeStderr | 0.06 |
Benchmark scores by Epoch AI, CC BY 4.0.
Using it
In 00, this model is picked per agent — and per tier, so the model that answers your customers need not be the one that writes your code. Get 00.