Data points: 36
Model compare
The readout for GLM-4.7 FlashX and GLM-5.1, before the detailed comparison sheet.
Weighted outcome: GLM-5.1. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.
Decision read
GLM-5.1
GLM-5.1 has the higher weighted result; Model A / B score 0 to 100.
Evidence depth
36 data points
Includes 0 benchmark rows, 0 audit samples, and 5 provider examples.
Selection signal
Start with GLM-5.1
The charts below split 5 high-signal samples across speed, scores, and audit health.
Switch either side of this report to compare another model with the same LMSpeed data pipeline.
Select a different model to open a new comparison URL.
This report only uses LMSpeed data for GLM-4.7 FlashX and GLM-5.1: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Model compare | GLM-4.7 FlashX | GLM-5.1 |
|---|---|---|
| Overall leader | Contender | Leading |
| Weighted overall score | 0.0 pts | 100.0 pts |
| Benchmark category leads | 0 categories | 0 categories |
| Operational advantages | No data | Average speed, First-token latency, Free providers, Provider coverage |
| Context window | No data | 202.8K tokens |
| Max output | No data | 128K tokens |
| Modalities | No data | Input Text Output Text |
| Features |
The overall result weights benchmark capability categories at 80% and price, API speed/latency, and availability at 20%. Recent test volume does not affect the winner, and missing benchmark categories are excluded.
| Model compare | GLM-4.7 FlashX | GLM-5.1 |
|---|---|---|
| Developer | Zhipu AI | Z.ai |
| Released | No data | Apr 2026 |
| Parameters | No data | No data |
| Tokenizer | No data | Other |
| Knowledge cutoff | No data | No data |
| OpenRouter ID | No data | z-ai/glm-5.1 |
| References | No data | No data |
This report only uses LMSpeed data for GLM-4.7 FlashX and GLM-5.1: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
GLM-4.7 FlashX
GLM-4.7 FlashX does not clearly lead in the benchmark or operational dimensions shared by both models.
GLM-5.1
GLM-5.1 has these operational advantages: Average speed, First-token latency, Free providers, Provider coverage.
Third-party benchmark profile synced into LMSpeed; only metrics available for both models are shown.
Compare benchmark category scores on a 0-100 scale. Select a category to inspect the gap.
Avg. score
GLM-4.7 FlashX
-
Avg. score
GLM-5.1
54.6
GLM-5.1
GLM-5.1
GLM-5.1
GLM-5.1
GLM-5.1
No data
No data
GLM-5.1
Metric-level scores with benchmark source, rank depth, confidence, error, and evaluation date where available.
No shared professional benchmark scores are available yet.
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | GLM-4.7 FlashX | GLM-5.1 |
|---|---|---|
| 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-4.7 FlashX | GLM-5.1 |
|---|---|---|
55 tests | GLM-4.7 FlashX speed / latency 45 tok/s / 22266ms input / output No data | GLM-5.1 speed / latency 35 tok/s / 17508ms input / output No data |
0 tests | GLM-4.7 FlashX speed / latency N/A / N/A input / output No data | GLM-5.1 speed / latency N/A / N/A input / output No data |
0 tests | GLM-4.7 FlashX speed / latency N/A / N/A input / output No data | GLM-5.1 speed / latency N/A / N/A input / output No data |
0 tests | GLM-4.7 FlashX speed / latency N/A / N/A input / output No data | GLM-5.1 speed / latency N/A / N/A input / output No data |
0 tests | GLM-4.7 FlashX speed / latency N/A / N/A input / output No data | GLM-5.1 speed / latency N/A / N/A input / output No data |
Weighted outcome: GLM-5.1. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.
| None listed |
Text inputText outputTool callingStructured outputsJSON modeReasoning |
