Data points: 73
Model compare
The readout for DeepSeek V3.1 Terminus and GPT-4, before the detailed comparison sheet.
Weighted outcome: DeepSeek V3.1 Terminus. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.
Decision read
DeepSeek V3.1 Terminus
DeepSeek V3.1 Terminus has the higher weighted result; Model A / B score 92 to 8.
Evidence depth
73 data points
Includes 3 benchmark rows, 0 audit samples, and 8 provider examples.
Selection signal
Start with DeepSeek V3.1 Terminus
The charts below split 11 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 Terminus and GPT-4: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Model compare | DeepSeek V3.1 Terminus | GPT-4 |
|---|---|---|
| Overall leader | Leading | Contender |
| Weighted overall score | 92.0 pts | 8.0 pts |
| Benchmark category leads | 1 categories | 0 categories |
| Operational advantages | Cheapest input price, Average speed, Provider coverage | First-token latency, Free providers |
| Context window | 163.8K tokens | 8.2K tokens |
| Max output | 32.8K tokens | 4.1K 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 V3.1 Terminus | GPT-4 |
|---|---|---|
| Developer | DeepSeek | OpenAI |
| Released | Sep 2025 | May 2023 |
| Parameters | No data | No data |
| Tokenizer | DeepSeek | GPT |
| Knowledge cutoff | 2025-03-31 | 2021-09-30 |
| OpenRouter ID | deepseek/deepseek-v3.1-terminus | openai/gpt-4 |
| References | No data | No data |
This report only uses LMSpeed data for DeepSeek V3.1 Terminus and GPT-4: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
DeepSeek V3.1 Terminus
DeepSeek V3.1 Terminus is stronger in benchmark categories (Coding) and operational dimensions (Cheapest input price, Average speed, Provider coverage).
GPT-4
GPT-4 has these operational advantages: 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 V3.1 Terminus
54.2
Avg. score
GPT-4
49.5
No data
DeepSeek V3.1 Terminus leads by 5.9
DeepSeek V3.1 Terminus
No data
DeepSeek V3.1 Terminus
No data
No data
No data
Metric-level scores with benchmark source, rank depth, confidence, error, and evaluation date where available.
DeepSeek V3.1 Terminus
winner$0.453/M
Rank #37/162 · confidence 4
GPT-4
$37.50/M
Rank #160/162 · confidence 4
DeepSeek V3.1 Terminus
winner$1.00/M
Rank #40/162 · confidence 4
GPT-4
$60.00/M
Rank #155/162 · confidence 4
DeepSeek V3.1 Terminus
winner$0.270/M
Rank #42/162 · confidence 4
GPT-4
$30.00/M
Rank #160/162 · confidence 4
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | DeepSeek V3.1 Terminus | GPT-4 |
|---|---|---|
| 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 Terminus | GPT-4 |
|---|---|---|
5 tests | DeepSeek V3.1 Terminus speed / latency 45 tok/s / 2125ms input / output No data | GPT-4 speed / latency N/A / N/A input / output No data |
0 tests | DeepSeek V3.1 Terminus speed / latency N/A / N/A input / output No data | GPT-4 speed / latency N/A / N/A input / output No data |
0 tests | DeepSeek V3.1 Terminus speed / latency N/A / N/A input / output No data | GPT-4 speed / latency N/A / N/A input / output No data |
0 tests | DeepSeek V3.1 Terminus speed / latency N/A / N/A input / output No data | GPT-4 speed / latency N/A / N/A input / output No data |
0 tests | DeepSeek V3.1 Terminus speed / latency N/A / N/A input / output No data | GPT-4 speed / latency N/A / N/A input / output No data |
DeepSeek V3.1 Terminus deepseek-v3.1-terminus speed / latency No data input / output $0.018/M/$0.068/M | GPT-4 gpt-4 speed / latency No data input / output $2.05/M | |
DeepSeek V3.1 Terminus deepseek-v3.1-terminus speed / latency No data input / output $0/request | GPT-4 gpt-4 speed / latency No data input / output $0/request | |
DeepSeek V3.1 Terminus deepseek-v3.1-terminus speed / latency No data input / output $0.110/M/$0.329/M | GPT-4 gpt-4-32k-0613 speed / latency No data input / output $61.64/M |
Weighted outcome: DeepSeek V3.1 Terminus. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.
Output
| Features | Text inputText outputTool callingStructured outputsJSON modeReasoning | Text inputText outputTool callingStructured outputsJSON mode |
|---|
