Data points: 48
Model compare
The readout for GLM-4 Air and GLM-4 Flash, before the detailed comparison sheet.
Weighted outcome: GLM-4 Flash. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.
Decision read
GLM-4 Flash
GLM-4 Flash has the higher weighted result; Model A / B score 40 to 60.
Evidence depth
48 data points
Includes 0 benchmark rows, 0 audit samples, and 6 provider examples.
Selection signal
Start with GLM-4 Flash
The charts below split 6 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 Air and GLM-4 Flash: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Model compare | GLM-4 Air | GLM-4 Flash |
|---|---|---|
| Overall leader | Contender | Leading |
| Weighted overall score | 40.0 pts | 60.0 pts |
| Benchmark category leads | 0 categories | 0 categories |
| Operational advantages | Average speed, First-token latency | Cheapest input price, Free providers, Provider coverage |
| Context window | No data | No data |
| Max output | No data | No data |
| Modalities | No data | No data |
| Features | None listed | None listed |
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 Air | GLM-4 Flash |
|---|---|---|
| Developer | Zhipu AI | Zhipu AI |
| Released | No data | No data |
| Parameters | No data | No data |
| Tokenizer | No data | No data |
| Knowledge cutoff | No data | No data |
| OpenRouter ID | No data | No data |
| References | No data | No data |
This report only uses LMSpeed data for GLM-4 Air and GLM-4 Flash: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
GLM-4 Air
GLM-4 Air has these operational advantages: Average speed, First-token latency.
GLM-4 Flash
GLM-4 Flash has these operational advantages: Cheapest input price, Free providers, Provider coverage.
Third-party benchmark profile synced into LMSpeed; only metrics available for both models are shown.
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 Air | GLM-4 Flash |
|---|---|---|
| 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 Air | GLM-4 Flash |
|---|---|---|
40 tests | GLM-4 Air speed / latency 66 tok/s / 325ms input / output No data | GLM-4 Flash speed / latency 34 tok/s / 788ms input / output No data |
20 tests | GLM-4 Air speed / latency N/A / N/A input / output No data | GLM-4 Flash speed / latency 78 tok/s / 1573ms input / output No data |
0 tests | GLM-4 Air speed / latency N/A / N/A input / output No data | GLM-4 Flash speed / latency N/A / N/A input / output No data |
0 tests | GLM-4 Air speed / latency N/A / N/A input / output No data | GLM-4 Flash speed / latency N/A / N/A input / output No data |
0 tests | GLM-4 Air glm-4-air-250414 speed / latency N/A / N/A input / output $150.00/M/$150.00/M | GLM-4 Flash glm-4-flash speed / latency N/A / N/A input / output $0/M |
GLM-4 Air glm-4-air-250414 speed / latency No data input / output $0.112/M/$0.112/M | GLM-4 Flash glm-4-flash speed / latency No data input / output $0/M |
Weighted outcome: GLM-4 Flash. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.
