GLM-5.1
#21 in Open-Source LLMsZ Ai · v5.1 · since 7. April 2026 (Open-Source-Veröffentlichung) · 3× · last seen Nov 05, 2026
36
Momentum
GLM-5.1 is a large language model from Z.ai (Zhipu AI), designed for agentic software engineering and coding tasks. It uses a Mixture-of-Experts architecture with about 754 billion total parameters. The weights are available on Hugging Face under the MIT license and are also offered through the Z.ai API.
Momentum trend
07.08.05.11.
Features
| Key Benchmark (%) | SWE-Bench Pro: 58.4% |
| Context Window (Tokens) | 200K (202,752 tokens) |
| License | MIT |
| Multimodality | No – text input and text output only |
| Platform | Z.ai API (docs.z.ai) and Hugging Face (zai-org/GLM-5.1) |
| Price per 1M Tokens | Input $1.40 / Cached input $0.26 / Output $4.40 |
| Release Date | April 7, 2026 |