Data points: 94
Model compare
The readout for GLM-5V Turbo and GPT-5.1, before the detailed comparison sheet.
Weighted outcome: GPT-5.1. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.
Decision read
GPT-5.1
GPT-5.1 has the higher weighted result; Model A / B score 16 to 84.
Evidence depth
94 data points
Includes 16 benchmark rows, 0 audit samples, and 8 provider examples.
Selection signal
Start with GPT-5.1
The charts below split 24 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-5V Turbo and GPT-5.1: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Model compare | GLM-5V Turbo | GPT-5.1 |
|---|---|---|
| Overall leader | Contender | Leading |
| Weighted overall score | 16.0 pts | 84.0 pts |
| Benchmark category leads | 1 categories | 4 categories |
| Operational advantages | No data | Cheapest input price, Free providers, Provider coverage |
| Context window | 202.8K tokens | 400K tokens |
| Max output | 131.1K tokens | 128K tokens |
| Modalities | Input ImageTextvideo Output Text |
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-5V Turbo | GPT-5.1 |
|---|---|---|
| Developer | Z.ai | OpenAI |
| Released | Apr 2026 | Nov 2025 |
| Parameters | No data | No data |
| Tokenizer | Other | GPT |
| Knowledge cutoff | No data | No data |
| OpenRouter ID | z-ai/glm-5v-turbo | openai/gpt-5.1 |
| References | No data | No data |
This report only uses LMSpeed data for GLM-5V Turbo and GPT-5.1: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
GLM-5V Turbo
GLM-5V Turbo leads these benchmark categories: Coding.
GPT-5.1
GPT-5.1 is stronger in benchmark categories (Agents, Reasoning, Knowledge, Instruction following) and operational dimensions (Cheapest input price, 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-5V Turbo
50.3
Avg. score
GPT-5.1
52
GPT-5.1 leads by 0.7
GLM-5V Turbo leads by 6.4
GPT-5.1 leads by 1.7
GPT-5.1 leads by 6.3
GPT-5.1
No data
No data
GPT-5.1 leads by 4.0
Metric-level scores with benchmark source, rank depth, confidence, error, and evaluation date where available.
GLM-5V Turbo
61.0
Rank #56/89 · confidence 1 · eval date 2026-03-01
GPT-5.1
winner75.0
Rank #3/89 · confidence 1 · eval date 2025-11-13
GLM-5V Turbo
80.9%
Rank #74/188 · confidence 4
GPT-5.1
winner87.3%
Rank #33/188 · confidence 4
GLM-5V Turbo
0.6
Rank #65/73 · confidence 1 · eval date 2026-03-01
GPT-5.1
winner4.9
Rank #34/73 · confidence 1 · eval date 2025-11-13
GLM-5V Turbo
15.8%
Rank #69/187 · confidence 4
GPT-5.1
winner26.5%
Rank #40/187 · confidence 4
GLM-5V Turbo
winner43.5%
Rank #41/185 · confidence 4
GPT-5.1
43.3%
Rank #42/185 · confidence 4
GLM-5V Turbo
winner43.5
Rank #44/96 · confidence 1 · eval date 2026-03-01
GPT-5.1
43.3
Rank #45/96 · confidence 1 · eval date 2025-11-13
GLM-5V Turbo
29.1
Rank #45/90 · confidence 1 · eval date 2026-03-01
GPT-5.1
winner37.6
Rank #31/90 · confidence 1 · eval date 2025-11-13
GLM-5V Turbo
80.9
Rank #61/96 · confidence 1 · eval date 2026-03-01
GPT-5.1
winner87.3
Rank #36/96 · confidence 1 · eval date 2025-11-13
GLM-5V Turbo
15.8
Rank #59/96 · confidence 1 · eval date 2026-03-01
GPT-5.1
winner26.5
Rank #39/96 · confidence 1 · eval date 2025-11-13
GLM-5V Turbo
34.5
Rank #50/99 · confidence 1 · eval date 2026-03-01
GPT-5.1
winner36.9
Rank #42/99 · confidence 1 · eval date 2025-11-13
GLM-5V Turbo
winner67.9
Rank #55/90 · confidence 1 · eval date 2026-03-01
GPT-5.1
51.3
Rank #65/90 · confidence 1 · eval date 2025-11-13
GLM-5V Turbo
72.8
Rank #34/57 · confidence 1 · eval date 2026-03-01
GPT-5.1
winner75.5
Rank #23/57 · confidence 1 · eval date 2025-11-13
GLM-5V Turbo
winner1255.0
Rank #29/66 · confidence 1 · eval date 2026-03-01
GPT-5.1
1212.0
Rank #38/66 · confidence 1 · eval date 2025-11-13
GLM-5V Turbo
61.1
Rank #52/86 · confidence 1 · eval date 2026-03-01
GPT-5.1
winner72.9
Rank #30/86 · confidence 1 · eval date 2025-11-13
GLM-5V Turbo
winner98.5
Rank #2/84 · confidence 1 · eval date 2026-03-01
GPT-5.1
81.9
Rank #52/84 · confidence 1 · eval date 2025-11-13
GLM-5V Turbo
30.8
Rank #46/50 · confidence 1 · eval date 2026-03-01
GPT-5.1
winner41.2
Rank #35/50 · confidence 1 · eval date 2025-11-13
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | GLM-5V Turbo | GPT-5.1 |
|---|---|---|
| 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-5V Turbo | GPT-5.1 |
|---|---|---|
0 tests | GLM-5V Turbo speed / latency N/A / N/A input / output No data | GPT-5.1 speed / latency N/A / N/A input / output No data |
0 tests | GLM-5V Turbo speed / latency N/A / N/A input / output No data | GPT-5.1 speed / latency N/A / N/A input / output No data |
0 tests | GLM-5V Turbo speed / latency N/A / N/A input / output No data | GPT-5.1 speed / latency N/A / N/A input / output No data |
0 tests | GLM-5V Turbo speed / latency N/A / N/A input / output No data | GPT-5.1 speed / latency N/A / N/A input / output No data |
0 tests | GLM-5V Turbo speed / latency N/A / N/A input / output No data | GPT-5.1 speed / latency N/A / N/A input / output No data |
GLM-5V Turbo glm-5v-turbo speed / latency No data input / output $0.082/M/$0.274/M | GPT-5.1 gpt-5.1 speed / latency No data input / output $0.086/M | |
GLM-5V Turbo glm-5v-turbo speed / latency No data input / output $0.274/M/$3.29/M | GPT-5.1 gpt-5.1 speed / latency No data input / output $0.308/M | |
GLM-5V Turbo glm-5v-turbo speed / latency No data input / output $0.754/M/$3.32/M | GPT-5.1 gpt-5.1 speed / latency No data input / output $1.34/M |
Weighted outcome: GPT-5.1. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.
Input
Output
| Features | Text inputImage inputText outputTool callingJSON modeReasoning | Text inputImage inputFile inputText outputTool callingStructured outputsJSON modeReasoning |
|---|
