Data points: 110
Model compare
The readout for GLM-4.6 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 13.3 to 86.7.
Evidence depth
110 data points
Includes 22 benchmark rows, 0 audit samples, and 9 provider examples.
Selection signal
Start with GPT-5.2
The charts below split 31 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-4.6 and GPT-5.2: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Model compare | GLM-4.6 | GPT-5.2 |
|---|---|---|
| Overall leader | Contender | Leading |
| Weighted overall score | 13.3 pts | 86.7 pts |
| Benchmark category leads | 1 categories | 5 categories |
| Operational advantages | No data | Cheapest input price, Average speed, First-token latency, Free providers, Provider coverage |
| Context window | 204.8K tokens | 400K tokens |
| Max output | 131.1K tokens | 128K tokens |
| Modalities | Input Text Output Text | Input File |
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-4.6 | GPT-5.2 |
|---|---|---|
| Developer | Z.ai | OpenAI |
| Released | Sep 2025 | Dec 2025 |
| Parameters | No data | No data |
| Tokenizer | Other | GPT |
| Knowledge cutoff | 2025-03-31 | No data |
| OpenRouter ID | z-ai/glm-4.6 | openai/gpt-5.2 |
| References | No data | No data |
This report only uses LMSpeed data for GLM-4.6 and GPT-5.2: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
GLM-4.6
GLM-4.6 leads these benchmark categories: Agents.
GPT-5.2
GPT-5.2 is stronger in benchmark categories (Coding, Reasoning, Knowledge, Math, Instruction following) and operational dimensions (Cheapest input price, 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-4.6
44.2
Avg. score
GPT-5.2
52.8
GLM-4.6 leads by 0.6
GPT-5.2 leads by 14.7
GPT-5.2 leads by 11.5
GPT-5.2 leads by 12.4
GPT-5.2 leads by 11.1
No data
GPT-5.2
GPT-5.2 leads by 12.6
Metric-level scores with benchmark source, rank depth, confidence, error, and evaluation date where available.
GLM-4.6
45.0
Rank #68/84 · confidence 1 · eval date 2025-09-01
GPT-5.2
winner53.0
Rank #50/84 · confidence 3 · eval date 2025-12-11
GLM-4.6
winner$2.20/M
Rank #68/162 · confidence 4
GPT-5.2
$14.00/M
Rank #133/162 · confidence 4
GLM-4.6
winner$0.963/M
Rank #73/162 · confidence 4
GPT-5.2
$4.81/M
Rank #132/162 · confidence 4
GLM-4.6
winner$0.550/M
Rank #76/162 · confidence 4
GPT-5.2
$1.75/M
Rank #120/162 · confidence 4
GLM-4.6
26.3
Rank #83/89 · confidence 1 · eval date 2025-09-01
GPT-5.2
winner72.7
Rank #13/89 · confidence 3 · eval date 2025-12-11
GLM-4.6
winner82.9%
Rank #42/125 · confidence 4
GPT-5.2
81.4%
Rank #54/125 · confidence 4
GLM-4.6
winner13.3%
Rank #78/187 · confidence 4
GPT-5.2
7.3%
Rank #109/187 · confidence 4
GLM-4.6
winner78.0%
Rank #83/188 · confidence 4
GPT-5.2
71.2%
Rank #110/188 · confidence 4
GLM-4.6
3.1
Rank #32/33 · confidence 1 · eval date 2025-09-01
GPT-5.2
winner53.5
Rank #6/33 · confidence 3 · eval date 2025-12-11
GLM-4.6
33.1
Rank #81/96 · confidence 1 · eval date 2025-09-01
GPT-5.2
winner52.1
Rank #18/96 · confidence 3 · eval date 2025-12-11
GLM-4.6
winner69.5%
Rank #30/115 · confidence 4
GPT-5.2
66.9%
Rank #36/115 · confidence 4
GLM-4.6
38.4%
Rank #87/185 · confidence 4
GPT-5.2
winner40.4%
Rank #64/185 · confidence 4
GLM-4.6
3.8
Rank #40/47 · confidence 1 · eval date 2025-09-01
GPT-5.2
winner40.7
Rank #10/47 · confidence 3 · eval date 2025-12-11
GLM-4.6
2.1
Rank #29/35 · confidence 1 · eval date 2025-09-01
GPT-5.2
winner18.8
Rank #11/35 · confidence 3 · eval date 2025-12-11
GLM-4.6
27.7
Rank #48/56 · confidence 1 · eval date 2025-09-01
GPT-5.2
winner58.5
Rank #24/56 · confidence 3 · eval date 2025-12-11
GLM-4.6
20.8
Rank #73/90 · confidence 1 · eval date 2025-09-01
GPT-5.2
winner43.8
Rank #16/90 · confidence 3 · eval date 2025-12-11
GLM-4.6
63.2
Rank #83/96 · confidence 1 · eval date 2025-09-01
GPT-5.2
winner90.3
Rank #19/96 · confidence 3 · eval date 2025-12-11
GLM-4.6
5.2
Rank #78/96 · confidence 1 · eval date 2025-09-01
GPT-5.2
winner35.4
Rank #21/96 · confidence 3 · eval date 2025-12-11
GLM-4.6
23.0
Rank #70/99 · confidence 1 · eval date 2025-09-01
GPT-5.2
winner42.2
Rank #22/99 · confidence 3 · eval date 2025-12-11
GLM-4.6
66.1
Rank #56/90 · confidence 1 · eval date 2025-09-01
GPT-5.2
winner79.7
Rank #39/90 · confidence 3 · eval date 2025-12-11
GLM-4.6
36.7
Rank #78/86 · confidence 1 · eval date 2025-09-01
GPT-5.2
winner75.4
Rank #21/86 · confidence 3 · eval date 2025-12-11
GLM-4.6
76.9
Rank #57/84 · confidence 1 · eval date 2025-09-01
GPT-5.2
winner84.8
Rank #44/84 · confidence 3 · eval date 2025-12-11
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | GLM-4.6 | 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-4.6 | GPT-5.2 |
|---|---|---|
20 tests | GLM-4.6 speed / latency 56 tok/s / 1357ms input / output No data | GPT-5.2 speed / latency 56 tok/s / 1798ms input / output No data |
5 tests | GLM-4.6 speed / latency N/A / N/A input / output No data | GPT-5.2 speed / latency 55 tok/s / 1434ms input / output No data |
5 tests | GLM-4.6 speed / latency N/A / N/A input / output No data | GPT-5.2 speed / latency 64 tok/s / 2953ms input / output No data |
5 tests | GLM-4.6 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-4.6 speed / latency N/A / N/A input / output No data | GPT-5.2 speed / latency 32 tok/s / 1965ms input / output No data |
GLM-4.6 glm-4.6 speed / latency No data input / output $0/M/$0/M | GPT-5.2 gpt-5.2 speed / latency No data input / output $0/M | |
GLM-4.6 glm-4.6 speed / latency No data input / output $0.041/M/$0.151/M | GPT-5.2 gpt-5.2 speed / latency No data input / output $0.120/M | |
GLM-4.6 GLM-4.6 speed / latency No data input / output $0.040/request | GPT-5.2 gpt-5.2 speed / latency No data input / output $3.50/M | |
GLM-4.6 GLM-4.6 speed / latency No data input / output $0.040/request | GPT-5.2 gpt-5.2 speed / latency No data input / output $3.50/M |
Weighted outcome: GPT-5.2. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.
Output
| Features | Text inputText outputTool callingStructured outputsJSON modeReasoning | Text inputImage inputFile inputText outputTool callingStructured outputsJSON modeReasoning |
|---|
