Data points: 82
The readout for GLM-4.5 and GLM-4.6, before the detailed comparison sheet.
Decision read
GLM-4.6
GLM-4.6 currently has the stronger profile, with verified wins split 2 to 3.
Evidence depth
82 data points
Includes 8 benchmark rows, 0 audit samples, and 10 provider examples.
Selection signal
Start with GLM-4.6
The charts below split 18 high-signal samples across speed, scores, and audit health.
Model compare GLM-4.5 vs GLM-4.6glm-4-5-vs-glm-4-6 | Model A GLM-4.5 | Model B GLM-4.6 |
|---|---|---|
| Overall leader | Contender | Leading |
| Verified metric wins | 2 wins | 3 wins |
| Where it leads | First-token latency, Free providers | Average speed, Provider coverage, Recent tests |
Third-party benchmark profile synced into LMSpeed; only metrics available for both models are shown.
| Metric | GLM-4.5 | GLM-4.6 |
|---|---|---|
| Input price | $0.600/M#23 |
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | GLM-4.5 | GLM-4.6 |
|---|---|---|
| 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-4.6 |
|---|---|---|
25 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-4.6: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Guidance | GLM-4.5 | GLM-4.6 |
|---|---|---|
| When to choose each model | GLM-4.5 GLM-4.5 is stronger when you prioritize First-token latency, Free providers. | GLM-4.6 GLM-4.6 is stronger when you prioritize Average speed, Provider coverage, Recent tests. |
TL;DR: GLM-4.6 leads across 82 verifiable data points, including pricing, speed, latency, benchmarks, and provider examples.
Continue from GLM-4.5 vs GLM-4.6 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-4.6 exposes 202.8K tokens; notable signals: Text input, Text output, Tool calling, Structured outputs. |
|---|---|---|
| Developer | No data | No data |
| Context window | 131.1K tokens | 202.8K tokens |
| Max output | 98.3K tokens | 131.1K tokens |
| Released | Jul 2025 | Sep 2025 |
| 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 | 2025-03-31 |
| OpenRouter ID | z-ai/glm-4.5 | z-ai/glm-4.6 |
| References | No data | No data |
| MMLU-Pro | 83.5%#25 | 78.4%#45 |
|---|
| Output price | $2.20/M#25 | $2.20/M#25 |
|---|
| LiveCodeBench | 73.8%#26 | 56.1%#47 |
|---|
| Time to first token | 1.01 s#36 | 1.74 s#64 |
|---|
| Blended price | $1.00/M#38 | $1.00/M#38 |
|---|
| Time to first answer token | 41.05 s#90 | 1.74 s#39 |
|---|
| GPQA | 78.2%#60 | 63.2%#98 |
|---|
GLM-4.6
speed / latency
69 tok/s / 2577ms
input / output
No data
N1N5 tests | GLM-4.5 speed / latency N/A / N/A input / output No data | GLM-4.6 speed / latency 56 tok/s / 1357ms input / output No data |
|---|
AAAI0 tests | GLM-4.5 speed / latency N/A / N/A input / output No data | GLM-4.6 speed / latency N/A / N/A input / output No data |
|---|
AI API0 tests | GLM-4.5 speed / latency N/A / N/A input / output No data | GLM-4.6 speed / latency N/A / N/A input / output No data |
|---|
APDSM0 tests | GLM-4.5 speed / latency N/A / N/A input / output No data | GLM-4.6 speed / latency N/A / N/A input / output No data |
|---|
GLM-4.5 ZhipuAI/GLM-4.5 speed / latency No data input / output $0/M / $0/M | GLM-4.6 GLM-4.6 speed / latency No data input / output $75.00/M / $75.00/M |
GLM-4.5 glm-4.5 speed / latency No data input / output $0.0010/M / $0.0010/M | GLM-4.6 glm-4.6 speed / latency No data input / output $0.0010/M / $0.0010/M |
GLM-4.5 glm-4.5 speed / latency No data input / output $0.010/M / $0.010/M | GLM-4.6 glm-4.6 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-4.6 glm-4.6 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-4.6 glm-4.6 speed / latency No data input / output $0.022/M / $0.088/M |
Rankings are based on community-submitted tests and periodic health probes. Advisory only, not official data.
