Data points: 92
Model compare
The readout for GLM-5 Turbo 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 20 to 80.
Evidence depth
92 data points
Includes 14 benchmark rows, 0 audit samples, and 9 provider examples.
Selection signal
Start with GPT-5.2
The charts below split 23 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-5 Turbo and GPT-5.2: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Model compare | GLM-5 Turbo | GPT-5.2 |
|---|---|---|
| Overall leader | Contender | Leading |
| Weighted overall score | 20.0 pts | 80.0 pts |
| Benchmark category leads | 1 categories | 4 categories |
| Operational advantages | Average speed | Cheapest input price, First-token latency, Free providers, Provider coverage |
| Context window | 202.8K 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-5 Turbo | GPT-5.2 |
|---|---|---|
| Developer | Z.ai | OpenAI |
| Released | Mar 2026 | Dec 2025 |
| Parameters | No data | No data |
| Tokenizer | Other | GPT |
| Knowledge cutoff | No data | No data |
| OpenRouter ID | z-ai/glm-5-turbo | openai/gpt-5.2 |
| References | No data | No data |
This report only uses LMSpeed data for GLM-5 Turbo and GPT-5.2: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
GLM-5 Turbo
GLM-5 Turbo is stronger in benchmark categories (Agents) and operational dimensions (Average speed).
GPT-5.2
GPT-5.2 is stronger in benchmark categories (Coding, Reasoning, Knowledge, Instruction following) 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-5 Turbo
52.6
Avg. score
GPT-5.2
52.9
GLM-5 Turbo leads by 4.1
GPT-5.2 leads by 0.9
GPT-5.2 leads by 2.5
GPT-5.2 leads by 8.3
GPT-5.2
No data
GPT-5.2
GPT-5.2 leads by 0.9
Metric-level scores with benchmark source, rank depth, confidence, error, and evaluation date where available.
GLM-5 Turbo
60.7
Rank #59/89 · confidence 1 · eval date 2026-03-01
GPT-5.2
winner72.7
Rank #13/89 · confidence 3 · eval date 2025-12-11
GLM-5 Turbo
0.3
Rank #68/73 · confidence 1 · eval date 2026-03-01
GPT-5.2
winner11.6
Rank #20/73 · confidence 3 · eval date 2025-12-11
GLM-5 Turbo
winner25.4%
Rank #45/187 · confidence 4
GPT-5.2
7.3%
Rank #109/187 · confidence 4
GLM-5 Turbo
winner84.7%
Rank #47/188 · confidence 4
GPT-5.2
71.2%
Rank #110/188 · confidence 4
GLM-5 Turbo
43.6
Rank #43/96 · confidence 1 · eval date 2026-03-01
GPT-5.2
winner52.1
Rank #18/96 · confidence 3 · eval date 2025-12-11
GLM-5 Turbo
winner43.6%
Rank #40/185 · confidence 4
GPT-5.2
40.4%
Rank #64/185 · confidence 4
GLM-5 Turbo
29.0
Rank #46/90 · confidence 1 · eval date 2026-03-01
GPT-5.2
winner43.8
Rank #16/90 · confidence 3 · eval date 2025-12-11
GLM-5 Turbo
84.7
Rank #46/96 · confidence 1 · eval date 2026-03-01
GPT-5.2
winner90.3
Rank #19/96 · confidence 3 · eval date 2025-12-11
GLM-5 Turbo
25.4
Rank #43/96 · confidence 1 · eval date 2026-03-01
GPT-5.2
winner35.4
Rank #21/96 · confidence 3 · eval date 2025-12-11
GLM-5 Turbo
38.1
Rank #38/99 · confidence 1 · eval date 2026-03-01
GPT-5.2
winner42.2
Rank #22/99 · confidence 3 · eval date 2025-12-11
GLM-5 Turbo
62.2
Rank #59/90 · confidence 1 · eval date 2026-03-01
GPT-5.2
winner79.7
Rank #39/90 · confidence 3 · eval date 2025-12-11
GLM-5 Turbo
winner1296.0
Rank #16/66 · confidence 1 · eval date 2026-03-01
GPT-5.2
1219.0
Rank #35/66 · confidence 3 · eval date 2025-12-11
GLM-5 Turbo
73.2
Rank #28/86 · confidence 1 · eval date 2026-03-01
GPT-5.2
winner75.4
Rank #21/86 · confidence 3 · eval date 2025-12-11
GLM-5 Turbo
winner98.5
Rank #2/84 · confidence 1 · eval date 2026-03-01
GPT-5.2
84.8
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-5 Turbo | 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-5 Turbo | GPT-5.2 |
|---|---|---|
15 tests | GLM-5 Turbo speed / latency N/A / N/A input / output No data | GPT-5.2 speed / latency 52 tok/s / 2671ms input / output No data |
5 tests | GLM-5 Turbo 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-5 Turbo 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-5 Turbo 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-5 Turbo speed / latency N/A / N/A input / output No data | GPT-5.2 speed / latency 71 tok/s / 2893ms input / output No data |
GLM-5 Turbo glm-5-turbo speed / latency No data input / output $0.082/M/$0.274/M | GPT-5.2 gpt-5.2 speed / latency No data input / output $0.120/M | |
GLM-5 Turbo glm-5-turbo speed / latency No data input / output $0.411/M/$2.05/M | GPT-5.2 gpt-5.2 speed / latency No data input / output $0.144/M | |
GLM-5 Turbo glm-5-turbo speed / latency No data input / output $0.514/M/$2.26/M | GPT-5.2 gpt-5.2-chat-latest speed / latency No data input / output $1.80/M | |
GLM-5 Turbo glm-5-turbo speed / latency No data input / output $0.551/M/$2.34/M | GPT-5.2 gpt-5.2-chat-latest speed / latency No data input / output $0.675/M |
Weighted outcome: GPT-5.2. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.
Output
| Features | Text inputText outputTool callingJSON modeReasoning | Text inputImage inputFile inputText outputTool callingStructured outputsJSON modeReasoning |
|---|
