Data points: 100
Model compare
DeepSeek R1 vs GPT-5.1
The readout for DeepSeek R1 and GPT-5.1, before the detailed comparison sheet.
Key Takeaways
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 30.7 to 69.3.
Evidence depth
100 data points
Includes 17 benchmark rows, 0 audit samples, and 10 provider examples.
Selection signal
Start with GPT-5.1
The charts below split 27 high-signal samples across speed, scores, and audit health.
Change comparison
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.
Comparison sheet
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 | 30.7 pts | 69.3 pts |
| Benchmark category leads | 2 categories | 4 categories |
| Operational advantages | Cheapest input price | Average speed, First-token latency, Free providers, Provider coverage |
| Context window | 64K tokens | 400K tokens |
| Max output | 16K tokens | 128K tokens |
| Modalities | Input Text Output Text | Input ImageTextFile Output Text |
| Features | Text inputText outputTool callingStructured outputsJSON modeReasoning | Text inputImage inputFile inputText outputTool callingStructured outputsJSON modeReasoning |
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 metadata
Model metadata
| 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 |
When to choose each model
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 is stronger in benchmark categories (Coding, Math) and operational dimensions (Cheapest input price).
GPT-5.1
GPT-5.1 is stronger in benchmark categories (Agents, Reasoning, Knowledge, Instruction following) and operational dimensions (Average speed, First-token latency, Free providers, Provider coverage).
Benchmark score comparison
Third-party benchmark profile synced into LMSpeed; only metrics available for both models are shown.
Category performance
Compare benchmark category scores on a 0-100 scale. Select a category to inspect the gap.
- Model A coverage
- 6 / 8
- Model B coverage
- 7 / 8
- Shared
- 6 shared categories
Avg. score
DeepSeek R1
47.6
Avg. score
GPT-5.1
51.2
Agents
GPT-5.1 leads by 6.6
Coding
DeepSeek R1 leads by 0.1
Reasoning
GPT-5.1 leads by 3.9
Knowledge
GPT-5.1 leads by 7.1
Math
DeepSeek R1 leads by 3.6
Multilingual
No data
Multimodal
GPT-5.1
Instruction following
GPT-5.1 leads by 10.2
Professional benchmark details
Metric-level scores with benchmark source, rank depth, confidence, error, and evaluation date where available.
Professional benchmark details
Metric-level scores with benchmark source, rank depth, confidence, error, and evaluation date where available.
DeepSeek R1
winner$3.00/M
Rank #98/185 · confidence 4
GPT-5.1
$10.00/M
Rank #141/185 · confidence 4
DeepSeek R1
winner$1.76/M
Rank #116/185 · confidence 4
GPT-5.1
$3.44/M
Rank #138/185 · confidence 4
DeepSeek R1
$1.35/M
Rank #134/185 · confidence 4
GPT-5.1
winner$1.25/M
Rank #122/185 · confidence 4
DeepSeek R1
56.7
Rank #81/106 · confidence 1 · eval date 2025-01-20
GPT-5.1
winner76.7
Rank #24/106 · confidence 3 · eval date 2025-11-13
DeepSeek R1
winner84.4%
Rank #32/129 · confidence 4
GPT-5.1
80.1%
Rank #62/129 · confidence 4
DeepSeek R1
1.4
Rank #66/88 · confidence 1 · eval date 2025-01-20
GPT-5.1
winner4.9
Rank #48/88 · confidence 3 · eval date 2025-11-13
DeepSeek R1
81.3%
Rank #92/217 · confidence 4
GPT-5.1
winner87.3%
Rank #52/217 · confidence 4
DeepSeek R1
15.8%
Rank #98/214 · confidence 4
GPT-5.1
winner28.5%
Rank #60/214 · 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 #71/113 · confidence 1 · eval date 2025-01-20
GPT-5.1
winner43.3
Rank #60/113 · confidence 3 · eval date 2025-11-13
DeepSeek R1
winner83.4
Rank #32/106 · confidence 1 · eval date 2025-01-20
GPT-5.1
51.9
Rank #74/106 · confidence 3 · eval date 2025-11-13
DeepSeek R1
30.5
Rank #55/106 · confidence 1 · eval date 2025-01-20
GPT-5.1
winner37.7
Rank #43/106 · confidence 3 · eval date 2025-11-13
DeepSeek R1
81.3
Rank #74/113 · confidence 1 · eval date 2025-01-20
GPT-5.1
winner87.3
Rank #49/113 · confidence 3 · eval date 2025-11-13
DeepSeek R1
15.8
Rank #77/114 · confidence 1 · eval date 2025-01-20
GPT-5.1
winner28.5
Rank #53/114 · confidence 3 · eval date 2025-11-13
DeepSeek R1
20.4
Rank #90/117 · confidence 1 · eval date 2025-01-20
GPT-5.1
winner37.5
Rank #58/117 · confidence 3 · eval date 2025-11-13
DeepSeek R1
39.6
Rank #69/84 · confidence 1 · eval date 2025-01-20
GPT-5.1
winner72.9
Rank #27/84 · confidence 3 · eval date 2025-11-13
DeepSeek R1
36.5
Rank #71/82 · confidence 1 · eval date 2025-01-20
GPT-5.1
winner81.9
Rank #53/82 · confidence 3 · eval date 2025-11-13
API audit comparison
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
API audit comparison
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. | ||
Provider examples
Speed aggregates and input/output pricing share each provider row for real API selection and migration cost checks.
Provider examples
Speed aggregates and input/output pricing share each provider row for real API selection and migration cost checks.
| Provider | DeepSeek R1 | GPT-5.1 |
|---|---|---|
ChatGTP30 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 |
OpenRouter24 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 |
ocool AI13 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 |
Gpt API10 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 |
AASS API5 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/$0.685/M | |
DeepSeek R1 deepseek-r1 speed / latency No data input / output $0/request | GPT-5.1 gpt-5.1-chat-latest speed / latency No data input / output $0/request | |
DeepSeek R1 deepseek-r1 speed / latency No data input / output $0.164/M/$0.658/M | GPT-5.1 gpt-5.1 speed / latency No data input / output $0.0027/request | |
DeepSeek R1 次DeepSeek-R1 speed / latency No data input / output $0.0034/request | GPT-5.1 gpt-5.1 speed / latency No data input / output $0.205/M/$1.64/M | |
DeepSeek R1 deepseek-r1 speed / latency No data input / output $0.110/M/$0.438/M | GPT-5.1 gpt-5.1 speed / latency No data input / output $0.0068/request |
FAQ
Weighted outcome: GPT-5.1. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.
- Why is this comparison indexable?
- It has 6 verifiable comparison points, and both models have pricing or benchmark data.
- Are missing metrics invented?
- No. Metrics without LMSpeed data are omitted from this report.