GLM-5.1
Model overview
GLM-5.1
GLM-5.1 model from Z.AI documentation.
general LLMreasoningcodinglong contextchatcode generationsoftware engineering agententerprise access
Representative version
GLM-5.1
| Company | Zhipu AI |
|---|---|
| Release | Not disclosed |
| Release type | Model release |
| Parameters | 753.9B |
| Architecture | Not disclosed |
| Context | 200,000 |
| Input modalities | text / code |
| Output modalities | text / code |
| Tool use / function calling | Tool use: Not disclosed; Function calling: Not disclosed |
| Structured output / reasoning | Confirmed: Reasoning |
| Vision / audio / video | Vision: Not disclosed; Audio: Not disclosed; Video: Not disclosed |
| Open weights / License | Weight status not disclosed / license not disclosed zhipu-glm-5-1-phase-3-5 · License source pending verification |
| Vendor API | Available zai-org/GLM-5.1 Hugging Face model cardzhipu-glm-5-1-phase-3-5 · 2026-05-25 |
| OpenRouter | OpenRouter listed |
| Pricing | OpenRouter · 2026-08-11: $1.4 / $4.4 input / output, per 1M tokens |
| Benchmark | LMArena 4 rows |
| Public signals | 1 activity snapshot |
| Use cases | assistant chat / code generation / software engineering agent / enterprise API |
| Claim evidence | Release event / Model specificationszai-org/GLM-5.1 Hugging Face model cardGLM-5.1 · GLM-5.1 · GLM-5.1 OpenRouter context / capabilities / pricingOpenRouter public models APIz-ai/glm-5.1 · 2026-08-11T06:28:09.895Z |
OpenRouter
Pricing / context / availability
| OpenRouter | OpenRouter listed |
|---|---|
| OpenRouter listing | z-ai/glm-5.1 |
| Mapped version | GLM-5.1 zhipu-glm-5-1-phase-3-5 |
| Pricing | OpenRouter · 2026-08-11: $1.4 / $4.4 input / output, per 1M tokens |
| Context | 204800 |
| Speed/Latency | No reliable public source |
| Snapshot time | 2026-08-11T06:28:09.895Z |
| Source | View source |
Benchmark
Ranking evidence
| Source | Task | Rank | Score | Sample | Time | Link |
|---|---|---|---|---|---|---|
| LMArena | WebDev | 5 | 1,530.98 | 3,609 | 2026-05-07 | View source |
| LMArena | Coding | 9 | 1,524.66 | 2,750 | 2026-05-07 | View source |
| LMArena | Reasoning / hard prompts | 16 | 1,493.61 | 6,625 | 2026-05-07 | View source |
| LMArena | Text overall | 19 | 1,471.27 | 11,349 | 2026-05-07 | View source |
Verified limitations
Usage boundaries
- No verified usage, ranking, call-volume, token-consumption, heat, download, or OpenRouter metric is populated.
Public activity counters
Hugging Face model-card activity snapshot
| Platform | Entry | Last-month downloads | Current likes | Current Spaces | Time | Source |
|---|---|---|---|---|---|---|
| huggingface Current HF activity snapshot | zai-org/GLM-5.1 | 69,489 | 1,839 | 82 | View source |
Downloads are Hugging Face's trailing-month counter; likes and Spaces are snapshots at collection time.
Missing public information
Public information not yet available
Release date not disclosedNo linkable model-specific reviewSpeed/latency not disclosed