Data points: 91
Model compare
The readout for DeepSeek V3.1 and GPT-4o, before the detailed comparison sheet.
Weighted outcome: DeepSeek V3.1. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.
Decision read
DeepSeek V3.1
DeepSeek V3.1 has the higher weighted result; Model A / B score 76.7 to 23.3.
Evidence depth
91 data points
Includes 17 benchmark rows, 0 audit samples, and 8 provider examples.
Selection signal
Start with DeepSeek V3.1
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 V3.1 and GPT-4o: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Model compare | DeepSeek V3.1 | GPT-4o |
|---|---|---|
| Overall leader | Leading | Contender |
| Weighted overall score | 76.7 pts | 23.3 pts |
| Benchmark category leads | 5 categories | 1 categories |
| Operational advantages | Average speed, First-token latency | Cheapest input price, Free providers |
| Context window | No data | 128K tokens |
| Max output | No data | 16.4K tokens |
| Modalities | No data | Input TextImageFile 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 | DeepSeek V3.1 | GPT-4o |
|---|---|---|
| Developer | DeepSeek | OpenAI |
| Released | No data | Nov 2024 |
| Parameters | No data | No data |
| Tokenizer | No data | GPT |
| Knowledge cutoff | No data | 2023-10-31 |
| OpenRouter ID | No data | openai/gpt-4o |
| References | No data | No data |
This report only uses LMSpeed data for DeepSeek V3.1 and GPT-4o: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
DeepSeek V3.1
DeepSeek V3.1 is stronger in benchmark categories (Agents, Coding, Reasoning, Math, Instruction following) and operational dimensions (Average speed, First-token latency).
GPT-4o
GPT-4o is stronger in benchmark categories (Knowledge) and operational dimensions (Cheapest input price, 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 V3.1
47.1
Avg. score
GPT-4o
43.2
DeepSeek V3.1 leads by 2.0
DeepSeek V3.1 leads by 8.1
DeepSeek V3.1 leads by 9.4
GPT-4o leads by 7.7
DeepSeek V3.1 leads by 10.5
No data
No data
DeepSeek V3.1 leads by 1.2
Metric-level scores with benchmark source, rank depth, confidence, error, and evaluation date where available.
DeepSeek V3.1
winner$1.68/M
Rank #58/162 · confidence 4
GPT-4o
$10.00/M
Rank #120/162 · confidence 4
DeepSeek V3.1
winner$0.840/M
Rank #66/162 · confidence 4
GPT-4o
$4.38/M
Rank #127/162 · confidence 4
DeepSeek V3.1
winner$0.560/M
Rank #78/162 · confidence 4
GPT-4o
$2.50/M
Rank #131/162 · confidence 4
DeepSeek V3.1
winner83.3%
Rank #39/125 · confidence 4
GPT-4o
74.8%
Rank #90/125 · confidence 4
DeepSeek V3.1
winner73.5%
Rank #105/188 · confidence 4
GPT-4o
54.3%
Rank #156/188 · confidence 4
DeepSeek V3.1
winner6.3%
Rank #122/187 · confidence 4
GPT-4o
3.3%
Rank #180/187 · confidence 4
DeepSeek V3.1
winner57.7%
Rank #46/115 · confidence 4
GPT-4o
30.9%
Rank #88/115 · confidence 4
DeepSeek V3.1
winner39.1
Rank #63/96 · confidence 1 · eval date 2025-08-21
GPT-4o
33.3
Rank #80/96 · confidence 1 · eval date 2024-05-13
DeepSeek V3.1
winner36.7%
Rank #98/185 · confidence 4
GPT-4o
33.3%
Rank #120/185 · confidence 4
DeepSeek V3.1
winner80.3
Rank #37/90 · confidence 1 · eval date 2025-08-21
GPT-4o
37.9
Rank #75/90 · confidence 1 · eval date 2024-05-13
DeepSeek V3.1
winner28.8
Rank #47/90 · confidence 1 · eval date 2025-08-21
GPT-4o
19.7
Rank #75/90 · confidence 1 · eval date 2024-05-13
DeepSeek V3.1
winner13.0
Rank #64/96 · confidence 1 · eval date 2025-08-21
GPT-4o
3.3
Rank #94/96 · confidence 1 · eval date 2024-05-13
DeepSeek V3.1
winner77.9
Rank #65/96 · confidence 1 · eval date 2025-08-21
GPT-4o
54.3
Rank #91/96 · confidence 1 · eval date 2024-05-13
DeepSeek V3.1
winner20.7
Rank #72/99 · confidence 1 · eval date 2025-08-21
GPT-4o
11.2
Rank #90/99 · confidence 1 · eval date 2024-05-13
DeepSeek V3.1
winner1147.0
Rank #51/66 · confidence 1 · eval date 2025-08-21
GPT-4o
856.0
Rank #65/66 · confidence 1 · eval date 2024-05-13
DeepSeek V3.1
winner41.5
Rank #67/86 · confidence 1 · eval date 2025-08-21
GPT-4o
34.3
Rank #82/86 · confidence 1 · eval date 2024-05-13
DeepSeek V3.1
winner37.4
Rank #71/84 · confidence 1 · eval date 2025-08-21
GPT-4o
25.1
Rank #75/84 · confidence 1 · eval date 2024-05-13
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | DeepSeek V3.1 | GPT-4o |
|---|---|---|
| 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 V3.1 | GPT-4o |
|---|---|---|
20 tests | DeepSeek V3.1 speed / latency N/A / N/A input / output No data | GPT-4o speed / latency 88 tok/s / 1593ms input / output No data |
5 tests | DeepSeek V3.1 speed / latency N/A / N/A input / output No data | GPT-4o speed / latency 48 tok/s / 13138ms input / output No data |
5 tests | DeepSeek V3.1 speed / latency N/A / N/A input / output No data | GPT-4o speed / latency 58 tok/s / 2583ms input / output No data |
3 tests | DeepSeek V3.1 speed / latency N/A / N/A input / output No data | GPT-4o speed / latency 40 tok/s / 2993ms input / output No data |
0 tests | DeepSeek V3.1 speed / latency N/A / N/A input / output No data | GPT-4o speed / latency N/A / N/A input / output No data |
DeepSeek V3.1 deepseek-v3.1 speed / latency No data input / output $0.038/M/$0.115/M | GPT-4o gpt-4o speed / latency No data input / output $0.171/M | |
DeepSeek V3.1 deepseek-v3.1 speed / latency No data input / output $0/request | GPT-4o gpt-4o speed / latency No data input / output $0/request | |
DeepSeek V3.1 DeepSeek-V3.1 speed / latency No data input / output $37.50/M/$37.50/M | GPT-4o gpt-4o speed / latency No data input / output $0.025/M |
Weighted outcome: DeepSeek V3.1. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.
| Features | None listed | Text inputImage inputFile inputText outputTool callingStructured outputsJSON modeWeb search |
|---|