Data points: 113
Model compare
The readout for DeepSeek V3.2 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 21.3 to 78.7.
Evidence depth
113 data points
Includes 24 benchmark rows, 0 audit samples, and 7 provider examples.
Selection signal
Start with GPT-5.1
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 DeepSeek V3.2 and GPT-5.1: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Model compare | DeepSeek V3.2 | GPT-5.1 |
|---|---|---|
| Overall leader | Contender | Leading |
| Weighted overall score | 21.3 pts | 78.7 pts |
| Benchmark category leads | 1 categories | 5 categories |
| Operational advantages | Cheapest input price, Provider coverage | Average speed, First-token latency, Free providers |
| Context window | 163.8K tokens | 400K tokens |
| Max output | 65.5K tokens | 128K tokens |
| Modalities | Input Text Output Text | Input Image |
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 | DeepSeek V3.2 | GPT-5.1 |
|---|---|---|
| Developer | DeepSeek | OpenAI |
| Released | Dec 2025 | Nov 2025 |
| Parameters | No data | No data |
| Tokenizer | DeepSeek | GPT |
| Knowledge cutoff | No data | No data |
| OpenRouter ID | deepseek/deepseek-v3.2 | openai/gpt-5.1 |
| References | No data | No data |
This report only uses LMSpeed data for DeepSeek V3.2 and GPT-5.1: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
DeepSeek V3.2
DeepSeek V3.2 is stronger in benchmark categories (Coding) and operational dimensions (Cheapest input price, Provider coverage).
GPT-5.1
GPT-5.1 is stronger in benchmark categories (Agents, Reasoning, Knowledge, Math, Instruction following) and operational dimensions (Average speed, First-token latency, Free providers).
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
DeepSeek V3.2
46.4
Avg. score
GPT-5.1
52.1
GPT-5.1 leads by 8.7
DeepSeek V3.2 leads by 2.2
GPT-5.1 leads by 1.4
GPT-5.1 leads by 13.6
GPT-5.1 leads by 5.0
No data
No data
GPT-5.1 leads by 7.7
Metric-level scores with benchmark source, rank depth, confidence, error, and evaluation date where available.
DeepSeek V3.2
winner$0.420/M
Rank #17/162 · confidence 4
GPT-5.1
$10.00/M
Rank #121/162 · confidence 4
DeepSeek V3.2
winner$0.315/M
Rank #26/162 · confidence 4
GPT-5.1
$3.44/M
Rank #118/162 · confidence 4
DeepSeek V3.2
winner$0.280/M
Rank #43/162 · confidence 4
GPT-5.1
$1.25/M
Rank #108/162 · confidence 4
DeepSeek V3.2
39.0
Rank #76/89 · confidence 1 · eval date 2025-12-01
GPT-5.1
winner75.0
Rank #3/89 · confidence 1 · eval date 2025-11-13
DeepSeek V3.2
86.2%
Rank #15/125 · confidence 4
GPT-5.1
winner87.0%
Rank #12/125 · confidence 4
DeepSeek V3.2
84.0%
Rank #52/187 · confidence 4
GPT-5.1
winner87.3%
Rank #32/187 · confidence 4
DeepSeek V3.2
0.9
Rank #60/73 · confidence 1 · eval date 2025-12-01
GPT-5.1
winner4.9
Rank #34/73 · confidence 1 · eval date 2025-11-13
DeepSeek V3.2
22.2%
Rank #49/186 · confidence 4
GPT-5.1
winner26.5%
Rank #39/186 · confidence 4
DeepSeek V3.2
86.2%
Rank #5/115 · confidence 4
GPT-5.1
winner86.8%
Rank #4/115 · confidence 4
DeepSeek V3.2
5.1
Rank #29/33 · confidence 1 · eval date 2025-12-01
GPT-5.1
winner24.6
Rank #18/33 · confidence 1 · eval date 2025-11-13
DeepSeek V3.2
38.9%
Rank #81/184 · confidence 4
GPT-5.1
winner43.3%
Rank #41/184 · confidence 4
DeepSeek V3.2
38.7
Rank #65/96 · confidence 1 · eval date 2025-12-01
GPT-5.1
winner43.3
Rank #45/96 · confidence 1 · eval date 2025-11-13
DeepSeek V3.2
2.1
Rank #30/35 · confidence 1 · eval date 2025-12-01
GPT-5.1
winner12.5
Rank #16/35 · confidence 1 · eval date 2025-11-13
DeepSeek V3.2
22.1
Rank #26/47 · confidence 1 · eval date 2025-12-01
GPT-5.1
winner31.0
Rank #19/47 · confidence 1 · eval date 2025-11-13
DeepSeek V3.2
40.4
Rank #36/56 · confidence 1 · eval date 2025-12-01
GPT-5.1
winner49.9
Rank #30/56 · confidence 1 · eval date 2025-11-13
DeepSeek V3.2
winner93.5
Rank #5/90 · confidence 1 · eval date 2025-12-01
GPT-5.1
51.3
Rank #66/90 · confidence 1 · eval date 2025-11-13
DeepSeek V3.2
24.2
Rank #62/90 · confidence 1 · eval date 2025-12-01
GPT-5.1
winner37.6
Rank #31/90 · confidence 1 · eval date 2025-11-13
DeepSeek V3.2
75.1
Rank #70/96 · confidence 1 · eval date 2025-12-01
GPT-5.1
winner87.3
Rank #36/96 · confidence 1 · eval date 2025-11-13
DeepSeek V3.2
10.5
Rank #69/96 · confidence 1 · eval date 2025-12-01
GPT-5.1
winner26.5
Rank #39/96 · confidence 1 · eval date 2025-11-13
DeepSeek V3.2
24.7
Rank #67/99 · confidence 1 · eval date 2025-12-01
GPT-5.1
winner36.9
Rank #42/99 · confidence 1 · eval date 2025-11-13
DeepSeek V3.2
1206.0
Rank #42/65 · confidence 1 · eval date 2025-12-01
GPT-5.1
winner1220.0
Rank #37/65 · confidence 1 · eval date 2025-11-13
DeepSeek V3.2
49.0
Rank #58/86 · confidence 1 · eval date 2025-12-01
GPT-5.1
winner72.9
Rank #30/86 · confidence 1 · eval date 2025-11-13
DeepSeek V3.2
29.6
Rank #48/50 · confidence 1 · eval date 2025-12-01
GPT-5.1
winner41.2
Rank #35/50 · confidence 1 · eval date 2025-11-13
DeepSeek V3.2
78.9
Rank #56/84 · confidence 1 · eval date 2025-12-01
GPT-5.1
winner81.9
Rank #52/84 · confidence 1 · eval date 2025-11-13
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | DeepSeek V3.2 | 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 | DeepSeek V3.2 | GPT-5.1 |
|---|---|---|
45 tests | DeepSeek V3.2 speed / latency 235 tok/s / 1787ms input / output No data | GPT-5.1 speed / latency N/A / N/A input / output No data |
20 tests | DeepSeek V3.2 speed / latency 37 tok/s / 1522ms input / output No data | GPT-5.1 speed / latency 96 tok/s / 1862ms input / output No data |
10 tests | DeepSeek V3.2 speed / latency 34 tok/s / 2500ms input / output No data | GPT-5.1 speed / latency N/A / N/A input / output No data |
10 tests | DeepSeek V3.2 speed / latency 22 tok/s / 5987ms input / output No data | GPT-5.1 speed / latency N/A / N/A input / output No data |
5 tests | DeepSeek V3.2 speed / latency 28 tok/s / 1519ms input / output No data | GPT-5.1 speed / latency N/A / N/A input / output No data |
DeepSeek V3.2 deepseek-v3.2 speed / latency No data input / output $0/M/$0/M | GPT-5.1 gpt-5.1 speed / latency No data input / output $0.086/M | |
DeepSeek V3.2 deepseek-v3.2-exp speed / latency No data input / output $0/request | GPT-5.1 gpt-5.1 speed / latency No data input / output $0/request |
Weighted outcome: GPT-5.1. 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 |
|---|
