Data points: 112
Model compare
The readout for DeepSeek V4 Pro and GPT-5, before the detailed comparison sheet.
Weighted outcome: GPT-5. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.
Decision read
GPT-5
GPT-5 has the higher weighted result; Model A / B score 48 to 52.
Evidence depth
112 data points
Includes 23 benchmark rows, 0 audit samples, and 6 provider examples.
Selection signal
Start with GPT-5
The charts below split 29 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 V4 Pro and GPT-5: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Model compare | DeepSeek V4 Pro | GPT-5 |
|---|---|---|
| Overall leader | Contender | Leading |
| Weighted overall score | 48.0 pts | 52.0 pts |
| Benchmark category leads | 3 categories | 3 categories |
| Operational advantages | Cheapest input price, Provider coverage | Average speed, First-token latency, Free providers |
| Context window | 1.0M tokens | 400K tokens |
| Max output | 384K tokens | 128K tokens |
| Modalities | Input Text Output Text | Input 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 V4 Pro | GPT-5 |
|---|---|---|
| Developer | DeepSeek | OpenAI |
| Released | Apr 2026 | Aug 2025 |
| Parameters | No data | No data |
| Tokenizer | DeepSeek | GPT |
| Knowledge cutoff | No data | 2024-09-30 |
| OpenRouter ID | deepseek/deepseek-v4-pro | openai/gpt-5 |
| References | No data | No data |
This report only uses LMSpeed data for DeepSeek V4 Pro and GPT-5: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
DeepSeek V4 Pro
DeepSeek V4 Pro is stronger in benchmark categories (Agents, Reasoning, Instruction following) and operational dimensions (Cheapest input price, Provider coverage).
GPT-5
GPT-5 is stronger in benchmark categories (Coding, Knowledge, Math) 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 V4 Pro
47.9
Avg. score
GPT-5
51.9
DeepSeek V4 Pro leads by 6.0
GPT-5 leads by 0.1
DeepSeek V4 Pro leads by 1.8
GPT-5 leads by 6.3
GPT-5 leads by 25.7
No data
No data
DeepSeek V4 Pro leads by 0.2
Metric-level scores with benchmark source, rank depth, confidence, error, and evaluation date where available.
DeepSeek V4 Pro
winner$0.870/M
Rank #34/162 · confidence 4
GPT-5
$10.00/M
Rank #120/162 · confidence 4
DeepSeek V4 Pro
winner$0.544/M
Rank #47/162 · confidence 4
GPT-5
$3.44/M
Rank #117/162 · confidence 4
DeepSeek V4 Pro
winner$0.435/M
Rank #66/162 · confidence 4
GPT-5
$1.25/M
Rank #107/162 · confidence 4
DeepSeek V4 Pro
66.3
Rank #39/89 · confidence 2 · eval date 2026-04-24
GPT-5
winner75.6
Rank #2/89 · confidence 1 · eval date 2025-08-07
DeepSeek V4 Pro
winner87.5%
Rank #9/125 · confidence 2 · eval date 2026-04-24
GPT-5
80.6%
Rank #57/125 · confidence 4
DeepSeek V4 Pro
winner12.9
Rank #18/73 · confidence 2 · eval date 2026-04-24
GPT-5
5.7
Rank #30/73 · confidence 1 · eval date 2025-08-07
DeepSeek V4 Pro
winner90.5%
Rank #18/188 · confidence 4
GPT-5
67.3%
Rank #121/188 · confidence 4
DeepSeek V4 Pro
winner33.5%
Rank #24/187 · confidence 4
GPT-5
5.4%
Rank #132/187 · confidence 4
DeepSeek V4 Pro
winner49.9
Rank #8/33 · confidence 2 · eval date 2026-04-24
GPT-5
20.1
Rank #22/33 · confidence 1 · eval date 2025-08-07
DeepSeek V4 Pro
winner59.4
Rank #19/59 · confidence 2 · eval date 2026-04-24
GPT-5
37.8
Rank #41/59 · confidence 1 · eval date 2025-08-07
DeepSeek V4 Pro
winner50.0
Rank #22/96 · confidence 2 · eval date 2026-04-24
GPT-5
42.9
Rank #46/96 · confidence 1 · eval date 2025-08-07
DeepSeek V4 Pro
winner46.4%
Rank #31/185 · confidence 4
GPT-5
38.8%
Rank #83/185 · confidence 4
DeepSeek V4 Pro
winner94.0
Rank #4/90 · confidence 2 · eval date 2026-04-24
GPT-5
82.1
Rank #31/90 · confidence 1 · eval date 2025-08-07
DeepSeek V4 Pro
winner44.3
Rank #17/99 · confidence 2 · eval date 2026-04-24
GPT-5
34.7
Rank #48/99 · confidence 1 · eval date 2025-08-07
DeepSeek V4 Pro
winner43.3
Rank #18/90 · confidence 2 · eval date 2026-04-24
GPT-5
40.7
Rank #20/90 · confidence 1 · eval date 2025-08-07
DeepSeek V4 Pro
winner35.9
Rank #19/96 · confidence 2 · eval date 2026-04-24
GPT-5
26.5
Rank #39/96 · confidence 1 · eval date 2025-08-07
DeepSeek V4 Pro
winner88.8
Rank #29/96 · confidence 2 · eval date 2026-04-24
GPT-5
85.4
Rank #45/96 · confidence 1 · eval date 2025-08-07
DeepSeek V4 Pro
winner1260.0
Rank #28/66 · confidence 2 · eval date 2026-04-24
GPT-5
1209.0
Rank #40/66 · confidence 1 · eval date 2025-08-07
DeepSeek V4 Pro
winner76.5
Rank #12/86 · confidence 2 · eval date 2026-04-24
GPT-5
73.1
Rank #29/86 · confidence 1 · eval date 2025-08-07
DeepSeek V4 Pro
winner96.2
Rank #10/84 · confidence 2 · eval date 2026-04-24
GPT-5
84.8
Rank #44/84 · confidence 1 · eval date 2025-08-07
DeepSeek V4 Pro
winner36.4
Rank #14/55 · confidence 2 · eval date 2026-04-24
GPT-5
25.7
Rank #28/55 · confidence 1 · eval date 2025-08-07
DeepSeek V4 Pro
winner1306.0
Rank #15/55 · confidence 2 · eval date 2026-04-24
GPT-5
1079.0
Rank #31/55 · confidence 1 · eval date 2025-08-07
DeepSeek V4 Pro
winner40.3
Rank #15/50 · confidence 2 · eval date 2026-04-24
GPT-5
28.9
Rank #31/50 · confidence 1 · eval date 2025-08-07
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | DeepSeek V4 Pro | GPT-5 |
|---|---|---|
| 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 V4 Pro | GPT-5 |
|---|---|---|
20 tests | DeepSeek V4 Pro speed / latency N/A / N/A input / output No data | GPT-5 speed / latency 95 tok/s / 1234ms input / output No data |
10 tests | DeepSeek V4 Pro speed / latency 27 tok/s / 51460ms input / output No data | GPT-5 speed / latency N/A / N/A input / output No data |
10 tests | DeepSeek V4 Pro speed / latency 38 tok/s / 6365ms input / output No data | GPT-5 speed / latency 45 tok/s / 3704ms input / output No data |
10 tests | DeepSeek V4 Pro speed / latency 41 tok/s / 5113ms input / output No data | GPT-5 speed / latency N/A / N/A input / output No data |
10 tests | DeepSeek V4 Pro speed / latency 26 tok/s / 14879ms input / output No data | GPT-5 speed / latency 38 tok/s / 15844ms input / output No data |
DeepSeek V4 Pro deepseek-v4-pro speed / latency No data input / output $0.167/M/$0.334/M | GPT-5 gpt-5 speed / latency No data input / output $0/M |
Weighted outcome: GPT-5. 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 |
|---|
