Data points: 88
Model compare
The readout for GLM-4.5V and GPT-5.2, before the detailed comparison sheet.
Weighted outcome: GPT-5.2. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.
Decision read
GPT-5.2
GPT-5.2 has the higher weighted result; Model A / B score 4 to 96.
Evidence depth
88 data points
Includes 11 benchmark rows, 0 audit samples, and 8 provider examples.
Selection signal
Start with GPT-5.2
The charts below split 19 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-4.5V and GPT-5.2: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Model compare | GLM-4.5V | GPT-5.2 |
|---|---|---|
| Overall leader | Contender | Leading |
| Weighted overall score | 4.0 pts | 96.0 pts |
| Benchmark category leads | 0 categories | 3 categories |
| Operational advantages | Average speed | Cheapest input price, First-token latency, Free providers, Provider coverage |
| Context window | 65.5K tokens | 400K tokens |
| Max output | 16.4K tokens | 128K tokens |
| Modalities | Input TextImage Output Text | Input |
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-4.5V | GPT-5.2 |
|---|---|---|
| Developer | Z.ai | OpenAI |
| Released | Aug 2025 | Dec 2025 |
| Parameters | No data | No data |
| Tokenizer | Other | GPT |
| Knowledge cutoff | 2024-12-31 | No data |
| OpenRouter ID | z-ai/glm-4.5v | openai/gpt-5.2 |
| References | No data | No data |
This report only uses LMSpeed data for GLM-4.5V and GPT-5.2: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
GLM-4.5V
GLM-4.5V has these operational advantages: Average speed.
GPT-5.2
GPT-5.2 is stronger in benchmark categories (Coding, Reasoning, Math) and operational dimensions (Cheapest input price, 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-4.5V
47.1
Avg. score
GPT-5.2
54.3
GPT-5.2
GPT-5.2 leads by 14.4
GPT-5.2 leads by 6.5
GPT-5.2
GPT-5.2 leads by 5.9
GPT-5.2
GPT-5.2
GPT-5.2
Metric-level scores with benchmark source, rank depth, confidence, error, and evaluation date where available.
GLM-4.5V
1.83 s
Rank #54/139 · confidence 4
GPT-5.2
winner0.62 s
Rank #17/139 · confidence 4
GLM-4.5V
1.83 s
Rank #97/139 · confidence 4
GPT-5.2
winner0.62 s
Rank #25/139 · confidence 4
GLM-4.5V
41.3 tok/s
Rank #126/139 · confidence 4
GPT-5.2
winner62.2 tok/s
Rank #92/139 · confidence 4
GLM-4.5V
winner$1.80/M
Rank #60/163 · confidence 4
GPT-5.2
$14.00/M
Rank #135/163 · confidence 4
GLM-4.5V
winner$0.900/M
Rank #72/163 · confidence 4
GPT-5.2
$4.81/M
Rank #134/163 · confidence 4
GLM-4.5V
winner$0.600/M
Rank #81/163 · confidence 4
GPT-5.2
$1.75/M
Rank #122/163 · confidence 4
GLM-4.5V
75.1%
Rank #88/125 · confidence 4
GPT-5.2
winner81.4%
Rank #54/125 · confidence 4
GLM-4.5V
3.6%
Rank #172/186 · confidence 4
GPT-5.2
winner7.3%
Rank #108/186 · confidence 4
GLM-4.5V
57.3%
Rank #151/187 · confidence 4
GPT-5.2
winner71.2%
Rank #110/187 · confidence 4
GLM-4.5V
35.2%
Rank #79/115 · confidence 4
GPT-5.2
winner66.9%
Rank #36/115 · confidence 4
GLM-4.5V
18.8%
Rank #174/184 · confidence 4
GPT-5.2
winner40.4%
Rank #63/184 · confidence 4
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | GLM-4.5V | 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-4.5V | GPT-5.2 |
|---|---|---|
5 tests | GLM-4.5V speed / latency N/A / N/A input / output No data | GPT-5.2 speed / latency 54 tok/s / 1449ms input / output No data |
5 tests | GLM-4.5V speed / latency N/A / N/A input / output No data | GPT-5.2 speed / latency 60 tok/s / 3331ms input / output No data |
0 tests | GLM-4.5V speed / latency N/A / N/A input / output No data | GPT-5.2 speed / latency N/A / N/A input / output No data |
0 tests | GLM-4.5V zai-org/GLM-4.5V speed / latency N/A / N/A input / output $0.096/M/$0.589/M | GPT-5.2 gpt-5.2 speed / latency N/A / N/A input / output $0.171/M |
0 tests | GLM-4.5V speed / latency N/A / N/A input / output No data | GPT-5.2 speed / latency N/A / N/A input / output No data |
GLM-4.5V glm-4.5v speed / latency No data input / output $0.274/M/$1.10/M | GPT-5.2 gpt-5.2-chat-latest speed / latency No data input / output $1.80/M | |
GLM-4.5V glm-4.5v speed / latency No data input / output $0.479/M/$1.44/M | GPT-5.2 gpt-5.2 speed / latency No data input / output $2.01/M | |
GLM-4.5V zai-org/GLM-4.5V speed / latency No data input / output $0.509/M/$1.53/M | GPT-5.2 gpt-5.2-2025-12-11 speed / latency No data input / output $3.00/M |
Weighted outcome: GPT-5.2. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.
Output
| Features | Text inputImage inputText outputTool callingJSON modeReasoning | Text inputImage inputFile inputText outputTool callingStructured outputsJSON modeReasoning |
|---|
