Data points: 56
The readout for GLM-Z1 Flash and GPT-5.2, before the detailed comparison sheet.
Decision read
Tie
Tie currently has the stronger profile, with verified wins split 3 to 3.
Evidence depth
56 data points
Includes 0 benchmark rows, 0 audit samples, and 8 provider examples.
Selection signal
Tie
The charts below split 8 high-signal samples across speed, scores, and audit health.
Model compare GLM-Z1 Flash vs GPT-5.2glm-z1-flash-vs-gpt-5-2 | Model A GLM-Z1 Flash | Model B GPT-5.2 |
|---|---|---|
| Overall leader | Tie | Tie |
| Verified metric wins | 3 wins | 3 wins |
| Where it leads | Average speed, First-token latency, Free providers | Cheapest input price, Provider coverage, Recent tests |
| Model metadata | No OpenRouter metadata is available yet for this model. | GPT-5.2 exposes 128K tokens; notable signals: Text input, Image input, File input, Text output. |
| Developer | Zhipu AI | OpenAI |
| Context window | No data | 128K tokens |
| Max output | No data | 16.4K tokens |
| Released | No data | Dec 2025 |
| Modalities | No data | Input FileImageText Output Text |
| Features | None listed | Text inputImage inputFile inputText outputTool callingStructured outputsJSON mode |
| Parameters | No data | No data |
| Tokenizer | No data | GPT |
| Knowledge cutoff | No data | No data |
| OpenRouter ID | No data | openai/gpt-5.2-chat |
| References | No data | No data |
Third-party benchmark profile synced into LMSpeed; only metrics available for both models are shown.
| Metric | GLM-Z1 Flash | GPT-5.2 |
|---|---|---|
| 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-Z1 Flash | GPT-5.2 |
|---|---|---|
| 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-Z1 Flash | GPT-5.2 |
|---|---|---|
Chlink API0 tests | GLM-Z1 Flash speed / latency N/A / N/A input / output No data | GPT-5.2 speed / latency N/A / N/A input / output No data |
DMXAPI0 tests | GLM-Z1 Flash speed / latency N/A / N/A input / output No data | GPT-5.2 speed / latency N/A / N/A input / output No data |
EasyMore0 tests | GLM-Z1 Flash glm-z1-flash speed / latency N/A / N/A input / output $0.014/M / $0.014/M | GPT-5.2 gpt-5.2-chat-latest speed / latency N/A / N/A input / output $1.75/M / $14.00/M |
GLM BigModel Relay0 tests | GLM-Z1 Flash speed / latency N/A / N/A input / output No data | GPT-5.2 speed / latency N/A / N/A input / output No data |
Koyeb AI Gateway0 tests | GLM-Z1 Flash glm-z1-flash speed / latency N/A / N/A input / output $0.037/M / $0.037/M | GPT-5.2 gpt-5.2-chat speed / latency N/A / N/A input / output $0.037/M / $0.300/M |
GLM-Z1 Flash glm-z1-flash speed / latency No data input / output $0.037/M / $0.037/M | GPT-5.2 gpt-5.2-chat speed / latency No data input / output $0.037/M / $0.300/M | |
GLM-Z1 Flash glm-z1-flash speed / latency No data input / output $0.098/M / $0.098/M | GPT-5.2 gpt-5.2-xhigh speed / latency No data input / output $0.857/M / $6.85/M | |
GLM-Z1 Flash GLM-Z1-Flash speed / latency No data input / output $0.205/M / $0.205/M | GPT-5.2 openai/gpt-5.2-chat-latest speed / latency No data input / output $1.23/M / $1.23/M |
This report only uses LMSpeed data for GLM-Z1 Flash and GPT-5.2: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Guidance | GLM-Z1 Flash | GPT-5.2 |
|---|---|---|
| When to choose each model | GLM-Z1 Flash GLM-Z1 Flash is stronger when you prioritize Average speed, First-token latency, Free providers. | GPT-5.2 GPT-5.2 is stronger when you prioritize Cheapest input price, Provider coverage, Recent tests. |
TL;DR: Tie leads across 56 verifiable data points, including pricing, speed, latency, benchmarks, and provider examples.
Continue from GLM-Z1 Flash vs GPT-5.2 into nearby model comparisons with enough verified LMSpeed data.
Rankings are based on community-submitted tests and periodic health probes. Advisory only, not official data.
