Data points: 81
The readout for GLM-4.5 and GLM-5, before the detailed comparison sheet.
Decision read
GLM-5
GLM-5 currently has the stronger profile, with verified wins split 1 to 5.
Evidence depth
81 data points
Includes 8 benchmark rows, 0 audit samples, and 9 provider examples.
Selection signal
Start with GLM-5
The charts below split 17 high-signal samples across speed, scores, and audit health.
Model compare GLM-4.5 vs GLM-5glm-4-5-vs-glm-5 | Model A GLM-4.5 | Model B GLM-5 |
|---|---|---|
| Overall leader | Contender | Leading |
| Verified metric wins | 1 wins | 5 wins |
| Where it leads | First-token latency | Cheapest input price, Average speed, Free providers, Provider coverage, Recent tests |
Third-party benchmark profile synced into LMSpeed; only metrics available for both models are shown.
| Metric | GLM-4.5 | GLM-5 |
|---|---|---|
| SciCode | 34.8%#76 |
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | GLM-4.5 | GLM-5 |
|---|---|---|
| No completed audits are available from shared providers yet. | ||
Speed aggregates and input/output pricing share each provider row for real API selection and migration cost checks.
| Provider | GLM-4.5 | GLM-5 |
|---|---|---|
60 tests | GLM-4.5 speed / latency 52 tok/s / 9628ms input / output No data |
This report only uses LMSpeed data for GLM-4.5 and GLM-5: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Guidance | GLM-4.5 | GLM-5 |
|---|---|---|
| When to choose each model | GLM-4.5 GLM-4.5 is stronger when you prioritize First-token latency. | GLM-5 GLM-5 is stronger when you prioritize Cheapest input price, Average speed, Free providers, Provider coverage, Recent tests. |
TL;DR: GLM-5 leads across 81 verifiable data points, including pricing, speed, latency, benchmarks, and provider examples.
Continue from GLM-4.5 vs GLM-5 into nearby model comparisons with enough verified LMSpeed data.
| Model metadata | GLM-4.5 exposes 131.1K tokens; notable signals: Text input, Text output, Tool calling, JSON mode. | GLM-5 exposes 202.8K tokens; notable signals: Text input, Text output, Tool calling, Structured outputs. |
|---|---|---|
| Developer | No data | Zhipu AI |
| Context window | 131.1K tokens | 202.8K tokens |
| Max output | 98.3K tokens | No data |
| Released | Jul 2025 | Feb 2026 |
| Modalities | Input Text Output Text | Input Text Output Text |
| Features | Text inputText outputTool callingJSON modeReasoning | Text inputText outputTool callingStructured outputsJSON modeReasoning |
| Parameters | No data | No data |
| Tokenizer | Other | Other |
| Knowledge cutoff | 2024-12-31 | No data |
| OpenRouter ID | z-ai/glm-4.5 | z-ai/glm-5 |
| References | No data | No data |
| HLE | 12.2%#62 | 27.2%#22 |
|---|
| Input price | $0.600/M#23 | $1.00/M#26 |
|---|
| Output price | $2.20/M#25 | $3.20/M#29 |
|---|
| Time to first token | 1.01 s#36 | 0.84 s#25 |
|---|
| Blended price | $1.00/M#38 | $1.55/M#47 |
|---|
| GPQA | 78.2%#60 | 82.0%#49 |
|---|
| Output speed | 49.9 tok/s#89 | 75.5 tok/s#70 |
|---|
GLM-5
speed / latency
37 tok/s / 26385ms
input / output
No data
EdgeFN API30 tests | GLM-4.5 speed / latency N/A / N/A input / output No data | GLM-5 speed / latency 57 tok/s / 16879ms input / output No data |
|---|
Seamee API10 tests | GLM-4.5 ZhipuAI/GLM-4.5 speed / latency N/A / N/A input / output $0/M / $0/M | GLM-5 ZhipuAI/GLM-5 speed / latency 41 tok/s / 18111ms input / output $75.00/M / $75.00/M |
|---|
Zhipu Z.ai5 tests | GLM-4.5 speed / latency N/A / N/A input / output No data | GLM-5 speed / latency 38 tok/s / 27517ms input / output No data |
|---|
AAAI0 tests | GLM-4.5 speed / latency N/A / N/A input / output No data | GLM-5 speed / latency N/A / N/A input / output No data |
|---|
GLM-4.5 glm-4.5 speed / latency No data input / output $0.010/M / $0.010/M | GLM-5 glm-5-fast speed / latency No data input / output $0.010/M / $0.010/M |
GLM-4.5 glm-4.5 speed / latency No data input / output $0.010/M / $0.010/M | GLM-5 glm-5 speed / latency No data input / output $0.010/M / $0.010/M |
GLM-4.5 zai-org/GLM-4.5 speed / latency No data input / output $1.03/M / $1.03/M | GLM-5 glm-5 speed / latency No data input / output $0.022/M / $0.088/M |
GLM-4.5 glm-4.5 speed / latency No data input / output $0.041/M / $0.164/M | GLM-5 glm-5 speed / latency No data input / output $0.247/M / $0.905/M |
Rankings are based on community-submitted tests and periodic health probes. Advisory only, not official data.
