Data points: 67
The readout for GLM-5.1 and GLM-5 Turbo, before the detailed comparison sheet.
Decision read
GLM-5.1
GLM-5.1 currently has the stronger profile, with verified wins split 4 to 1.
Evidence depth
67 data points
Includes 3 benchmark rows, 1 audit samples, and 10 provider examples.
Selection signal
Start with GLM-5.1
The charts below split 14 high-signal samples across speed, scores, and audit health.
Model compare GLM-5.1 vs GLM-5 Turboglm-5-1-vs-glm-5-turbo | Model A GLM-5.1 | Model B GLM-5 Turbo |
|---|---|---|
| Overall leader | Leading | Contender |
| Verified metric wins | 4 wins | 1 wins |
| Where it leads | First-token latency, Free providers, Provider coverage, Recent tests |
Third-party benchmark profile synced into LMSpeed; only metrics available for both models are shown.
| Metric | GLM-5.1 | GLM-5 Turbo |
|---|---|---|
| HLE | 28.0%#18 |
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | GLM-5.1 | GLM-5 Turbo |
|---|---|---|
Winner: GLM-5.1 | GLM-5.1 glm-5.1-free Audit score 79 67 |
Speed aggregates and input/output pricing share each provider row for real API selection and migration cost checks.
| Provider | GLM-5.1 | GLM-5 Turbo |
|---|---|---|
75 tests | GLM-5.1 speed / latency 35 tok/s / 17508ms input / output No data |
This report only uses LMSpeed data for GLM-5.1 and GLM-5 Turbo: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Guidance | GLM-5.1 | GLM-5 Turbo |
|---|---|---|
| When to choose each model | GLM-5.1 GLM-5.1 is stronger when you prioritize First-token latency, Free providers, Provider coverage, Recent tests. | GLM-5 Turbo GLM-5 Turbo is stronger when you prioritize Average speed. |
TL;DR: GLM-5.1 leads across 67 verifiable data points, including pricing, speed, latency, benchmarks, and provider examples.
Continue from GLM-5.1 vs GLM-5 Turbo into nearby model comparisons with enough verified LMSpeed data.
| Average speed |
| Model metadata | No OpenRouter metadata is available yet for this model. | GLM-5 Turbo exposes 262.1K tokens; notable signals: Text input, Text output, Tool calling, JSON mode. |
|---|---|---|
| Developer | Zhipu AI | Zhipu AI |
| Context window | No data | 262.1K tokens |
| Max output | No data | 131.1K tokens |
| Released | No data | Mar 2026 |
| Modalities | No data | Input Text Output Text |
| Features | None listed | Text inputText outputTool callingJSON modeReasoning |
| Parameters | No data | No data |
| Tokenizer | No data | Other |
| Knowledge cutoff | No data | No data |
| OpenRouter ID | No data | z-ai/glm-5-turbo |
| References | No data | No data |
| GPQA | 86.8%#22 | 84.7%#34 |
|---|
| SciCode | 43.8%#26 | 43.6%#27 |
|---|
GLM-5 Turbo glm-5-turbo No audit yet |
GLM-5 Turbo
speed / latency
58 tok/s / 14600ms
input / output
No data
OpenRouter15 tests | GLM-5.1 speed / latency 58 tok/s / 14051ms input / output No data | GLM-5 Turbo speed / latency N/A / N/A input / output No data |
|---|
Zhipu Z.ai10 tests | GLM-5.1 speed / latency 48 tok/s / 11325ms input / output No data | GLM-5 Turbo speed / latency 48 tok/s / 17276ms input / output No data |
|---|
天云港模型开放平台10 tests | GLM-5.1 speed / latency 40 tok/s / 17425ms input / output No data | GLM-5 Turbo speed / latency N/A / N/A input / output No data |
|---|
小水管 API5 tests | GLM-5.1 speed / latency 37 tok/s / 20151ms input / output No data | GLM-5 Turbo speed / latency N/A / N/A input / output No data |
|---|
GLM-5.1 z-ai/glm-5.1 speed / latency No data input / output $0/M / $0/M | GLM-5 Turbo glm-5-turbo speed / latency No data input / output $2.28/M / $14.60/M |
GLM-5.1 glm-5.1 speed / latency No data input / output $0/M / $0/M | GLM-5 Turbo glm-5-turbo speed / latency No data input / output $1.20/M / $4.00/M |
GLM-5.1 z-ai/glm-5.1 speed / latency No data input / output $0/M / $0/M | GLM-5 Turbo 官网反代/GLM-5-Turbo speed / latency No data input / output $75.00/M / $75.00/M |
GLM-5.1 GLM-5.1 speed / latency No data input / output $0/M / $0/M | GLM-5 Turbo GLM-5-Turbo speed / latency No data input / output $75.00/M / $75.00/M |
GLM-5.1 z-ai/glm-5.1 speed / latency No data input / output $0/M / $0/M | GLM-5 Turbo 官网反代/GLM-5-Turbo speed / latency No data input / output $75.00/M / $75.00/M |
Rankings are based on community-submitted tests and periodic health probes. Advisory only, not official data.
