GLM-5.1
754B · #1 SWE-Bench Pro among open weights
- Vendor
- Zhipu / Z.ai
- License
- open (MIT)
- Released
- 2026-04-07
- Parameters
- 753.9B
- Context window
- 128k tokens
Capabilities
GLM-5.1 supports vision (image input), tool use and extended reasoning, with a 128k-token context window.
- Vision — image input
- Audio — audio input (not confirmed)
- Tools — function calling / tool use
- Reasoning — extended thinking
- Computer use — desktop / browser control (not confirmed)
Benchmarks
| SWE-Bench Verified | 79% |
|---|---|
| SWE-Bench Pro | 58.4% |
| Terminal-Bench | Not published |
| Reasoning composite | 88 / 100 |
The reasoning composite is a directional 0–100 score aggregated across public reasoning evals — comparable within this matrix, not an official vendor number.
Pricing
$0.11/M input tokens.