Data points: 56
The readout for GLM-4 and GPT-5, before the detailed comparison sheet.
Decision read
GPT-5
GPT-5 currently has the stronger profile, with verified wins split 2 to 3.
Evidence depth
56 data points
Includes 0 benchmark rows, 0 audit samples, and 9 provider examples.
Selection signal
Start with GPT-5
The charts below split 9 high-signal samples across speed, scores, and audit health.
Model compare GLM-4 vs GPT-5glm-4-vs-gpt-5 | Model A GLM-4 | Model B GPT-5 |
|---|---|---|
| Overall leader | Contender | Leading |
| Verified metric wins | 2 wins | 3 wins |
| Where it leads | First-token latency, Recent tests | Cheapest input price, Average speed, Provider coverage |
Third-party benchmark profile synced into LMSpeed; only metrics available for both models are shown.
| Metric | GLM-4 | GPT-5 |
|---|---|---|
| No shared benchmark metrics are available yet. | ||
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | GLM-4 | GPT-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 | GPT-5 |
|---|---|---|
20 tests | GLM-4 speed / latency N/A / N/A input / output No data | GPT-5 |
This report only uses LMSpeed data for GLM-4 and GPT-5: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Guidance | GLM-4 | GPT-5 |
|---|---|---|
| When to choose each model | GLM-4 GLM-4 is stronger when you prioritize First-token latency, Recent tests. | GPT-5 GPT-5 is stronger when you prioritize Cheapest input price, Average speed, Provider coverage. |
TL;DR: GPT-5 leads across 56 verifiable data points, including pricing, speed, latency, benchmarks, and provider examples.
Continue from GLM-4 vs GPT-5 into nearby model comparisons with enough verified LMSpeed data.
| Model metadata | No OpenRouter metadata is available yet for this model. | GPT-5 exposes 128K tokens; notable signals: Text input, Image input, File input, Text output. |
|---|---|---|
| Developer | No data | OpenAI |
| Context window | No data | 128K tokens |
| Max output | No data | 16.4K tokens |
| Released | No data | Aug 2025 |
| Modalities | No data | Input FileImageText Output Text |
| Features | None listed | Text inputImage inputFile inputText outputStructured outputsJSON mode |
| Parameters | No data | No data |
| Tokenizer | No data | GPT |
| Knowledge cutoff | No data | 2024-09-30 |
| OpenRouter ID | No data | openai/gpt-5-chat |
| References | No data | No data |
speed / latency
95 tok/s / 1234ms
input / output
No data
EasyMore5 tests | GLM-4 speed / latency N/A / N/A input / output No data | GPT-5 speed / latency 46 tok/s / 6577ms input / output No data |
|---|
N1N5 tests | GLM-4 speed / latency N/A / N/A input / output No data | GPT-5 speed / latency 102 tok/s / 948ms input / output No data |
|---|
6345ywz API0 tests | GLM-4 zhipu/glm-4-9b speed / latency N/A / N/A input / output $0.137/M / $0.137/M | GPT-5 gpt-5 speed / latency N/A / N/A input / output $0.171/M / $1.37/M |
|---|
AAAI0 tests | GLM-4 speed / latency N/A / N/A input / output No data | GPT-5 speed / latency N/A / N/A input / output No data |
|---|
GLM-4 THUDM/GLM-4-9B-0414 speed / latency No data input / output $0.086/M / $0.086/M | GPT-5 openai/gpt-5-chat speed / latency No data input / output $1.25/M / $10.00/M |
GLM-4 glm-4 speed / latency No data input / output $10.27/M / $10.27/M | GPT-5 gpt-5-search-api-2025-10-14 speed / latency No data input / output $0.171/M / $1.37/M |
GLM-4 glm-4 speed / latency No data input / output $10.27/M / $10.27/M | GPT-5 gpt-5-search-api-2025-10-14 speed / latency No data input / output $0.171/M / $1.37/M |
GLM-4 glm-4 speed / latency No data input / output $0.180/M / $0.720/M | GPT-5 gpt-5-chat-2025-10-03 speed / latency No data input / output $16.00/M / $128.00/M |
Rankings are based on community-submitted tests and periodic health probes. Advisory only, not official data.
