Data points: 102
Model compare
The readout for DeepSeek R1 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 26.7 to 73.3.
Evidence depth
102 data points
Includes 18 benchmark rows, 0 audit samples, and 7 provider examples.
Selection signal
Start with GPT-5.1
The charts below split 25 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 R1 and GPT-5.1: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Model compare | DeepSeek R1 | GPT-5.1 |
|---|---|---|
| Overall leader | Contender | Leading |
| Weighted overall score | 26.7 pts | 73.3 pts |
| Benchmark category leads | 2 categories | 4 categories |
| Operational advantages | No data | Cheapest input price, Average speed, First-token latency, Free providers, Provider coverage |
| Context window | 163.8K tokens | 400K tokens |
| Max output | 16K 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 R1 | GPT-5.1 |
|---|---|---|
| Developer | DeepSeek | OpenAI |
| Released | May 2025 | Nov 2025 |
| Parameters | No data | No data |
| Tokenizer | DeepSeek | GPT |
| Knowledge cutoff | 2024-07-31 | No data |
| OpenRouter ID | deepseek/deepseek-r1 | openai/gpt-5.1 |
| References | No data | No data |
This report only uses LMSpeed data for DeepSeek R1 and GPT-5.1: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
DeepSeek R1
DeepSeek R1 leads these benchmark categories: Coding, Math.
GPT-5.1
GPT-5.1 is stronger in benchmark categories (Agents, Reasoning, Knowledge, 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
DeepSeek R1
48.1
Avg. score
GPT-5.1
52.1
GPT-5.1 leads by 6.8
DeepSeek R1 leads by 0.9
GPT-5.1 leads by 1.8
GPT-5.1 leads by 8.5
DeepSeek R1 leads by 3.1
No data
No data
GPT-5.1 leads by 10.6
Metric-level scores with benchmark source, rank depth, confidence, error, and evaluation date where available.
DeepSeek R1
winner$4.20/M
Rank #96/162 · confidence 4
GPT-5.1
$10.00/M
Rank #121/162 · confidence 4
DeepSeek R1
winner$2.06/M
Rank #103/162 · confidence 4
GPT-5.1
$3.44/M
Rank #118/162 · confidence 4
DeepSeek R1
$1.35/M
Rank #116/162 · confidence 4
GPT-5.1
winner$1.25/M
Rank #108/162 · confidence 4
DeepSeek R1
54.7
Rank #64/89 · confidence 1 · eval date 2025-01-20
GPT-5.1
winner75.0
Rank #3/89 · confidence 1 · eval date 2025-11-13
DeepSeek R1
84.9%
Rank #27/125 · confidence 4
GPT-5.1
winner87.0%
Rank #12/125 · confidence 4
DeepSeek R1
81.3%
Rank #69/187 · confidence 4
GPT-5.1
winner87.3%
Rank #32/187 · confidence 4
DeepSeek R1
1.4
Rank #50/73 · confidence 1 · eval date 2025-01-20
GPT-5.1
winner4.9
Rank #34/73 · confidence 1 · eval date 2025-11-13
DeepSeek R1
14.9%
Rank #72/186 · confidence 4
GPT-5.1
winner26.5%
Rank #39/186 · confidence 4
DeepSeek R1
77.0%
Rank #22/115 · confidence 4
GPT-5.1
winner86.8%
Rank #4/115 · confidence 4
DeepSeek R1
40.3%
Rank #65/184 · confidence 4
GPT-5.1
winner43.3%
Rank #41/184 · confidence 4
DeepSeek R1
40.3
Rank #55/96 · confidence 1 · eval date 2025-01-20
GPT-5.1
winner43.3
Rank #45/96 · confidence 1 · eval date 2025-11-13
DeepSeek R1
winner84.0
Rank #29/90 · confidence 1 · eval date 2025-01-20
GPT-5.1
51.3
Rank #66/90 · confidence 1 · eval date 2025-11-13
DeepSeek R1
31.0
Rank #42/90 · confidence 1 · eval date 2025-01-20
GPT-5.1
winner37.6
Rank #31/90 · confidence 1 · eval date 2025-11-13
DeepSeek R1
81.3
Rank #58/96 · confidence 1 · eval date 2025-01-20
GPT-5.1
winner87.3
Rank #36/96 · confidence 1 · eval date 2025-11-13
DeepSeek R1
14.9
Rank #60/96 · confidence 1 · eval date 2025-01-20
GPT-5.1
winner26.5
Rank #39/96 · confidence 1 · eval date 2025-11-13
DeepSeek R1
20.1
Rank #74/99 · confidence 1 · eval date 2025-01-20
GPT-5.1
winner36.9
Rank #42/99 · confidence 1 · eval date 2025-11-13
DeepSeek R1
39.6
Rank #71/86 · confidence 1 · eval date 2025-01-20
GPT-5.1
winner72.9
Rank #30/86 · confidence 1 · eval date 2025-11-13
DeepSeek R1
36.5
Rank #72/84 · confidence 1 · eval date 2025-01-20
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 R1 | 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 R1 | GPT-5.1 |
|---|---|---|
30 tests | DeepSeek R1 speed / latency 47 tok/s / 15233ms input / output No data | GPT-5.1 speed / latency N/A / N/A input / output No data |
24 tests | DeepSeek R1 speed / latency 43 tok/s / 16905ms input / output No data | GPT-5.1 speed / latency N/A / N/A input / output No data |
13 tests | DeepSeek R1 speed / latency 104 tok/s / 2242ms input / output No data | GPT-5.1 speed / latency N/A / N/A input / output No data |
10 tests | DeepSeek R1 speed / latency 38 tok/s / 2259ms input / output No data | GPT-5.1 speed / latency N/A / N/A input / output No data |
5 tests | DeepSeek R1 speed / latency 34 tok/s / 938ms input / output No data | GPT-5.1 speed / latency N/A / N/A input / output No data |
DeepSeek R1 deepseek-r1 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 R1 deepseek-r1 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 |
|---|
