Data points: 55
The readout for DeepSeek V2.5 and GPT-5, before the detailed comparison sheet.
Decision read
GPT-5
GPT-5 currently has the stronger profile, with verified wins split 1 to 5.
Evidence depth
55 data points
Includes 1 benchmark rows, 0 audit samples, and 6 provider examples.
Selection signal
Start with GPT-5
The charts below split 7 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.
Model compare DeepSeek V2.5 vs GPT-5deepseek-v2-5-vs-gpt-5 | Model A DeepSeek V2.5 | Model B GPT-5 |
|---|---|---|
| Overall leader | Contender | Leading |
| Verified metric wins | 1 wins | 5 wins |
| Where it leads | First-token latency | Cheapest input price, Average speed, Free providers, Provider coverage, Recent tests |
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 V2.5
76.3
Avg. score
GPT-5
61.7
Selected category
Math
DeepSeek V2.5 leads by 14.9
Metric-level scores with benchmark source, rank depth, confidence, error, and evaluation date where available.
DeepSeek V2.5
76.3%
Rank #35/38 · confidence 4
GPT-5
winner86.1%
Rank #27/38 · confidence 4
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | DeepSeek V2.5 | 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 V2.5 | GPT-5 |
|---|---|---|
0 tests | DeepSeek V2.5 deepseek-ai/DeepSeek-V2.5 speed / latency N/A / N/A input / output $1.00/M / $0.500/M |
This report only uses LMSpeed data for DeepSeek V2.5 and GPT-5: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Guidance | DeepSeek V2.5 | GPT-5 |
|---|---|---|
| When to choose each model | DeepSeek V2.5 DeepSeek V2.5 is stronger when you prioritize First-token latency. | GPT-5 GPT-5 is stronger when you prioritize Cheapest input price, Average speed, Free providers, Provider coverage, Recent tests. |
TL;DR: GPT-5 leads across 55 verifiable data points, including pricing, speed, latency, benchmarks, and provider examples.
Continue from DeepSeek V2.5 vs GPT-5 into nearby model comparisons with enough verified LMSpeed data.
| Model metadata | No OpenRouter metadata is available yet for this model. | GPT-5 exposes 128K tokens; notable signals: Text input, Image input, File input, Text output. |
|---|---|---|
| Developer | DeepSeek | OpenAI |
| Context window | No data | 128K tokens |
| Max output | No data | 16.4K tokens |
| Released | No data | Aug 2025 |
| Modalities | No data | Input FileImageText Output Text |
| Features | None listed | Text inputImage inputFile inputText outputStructured outputsJSON mode |
| Parameters | No data | No data |
| Tokenizer | No data | GPT |
| Knowledge cutoff | No data | 2024-09-30 |
| OpenRouter ID | No data | openai/gpt-5-chat |
| References | No data | No data |
GPT-5
openai/gpt-5-chat
speed / latency
N/A / N/A
input / output
$75.00/M / $75.00/M
OpenRouter Fans0 tests | DeepSeek V2.5 speed / latency N/A / N/A input / output No data | GPT-5 speed / latency N/A / N/A input / output No data |
|---|
Synapse0 tests | DeepSeek V2.5 speed / latency N/A / N/A input / output No data | GPT-5 speed / latency N/A / N/A input / output No data |
|---|
WAADRI0 tests | DeepSeek V2.5 deepseek-ai/DeepSeek-V2.5 speed / latency N/A / N/A input / output $0.190/M / $0.190/M | GPT-5 openai/gpt-5-chat speed / latency N/A / N/A input / output $1.25/M / $10.00/M |
|---|
天絮 API0 tests | DeepSeek V2.5 speed / latency N/A / N/A input / output No data | GPT-5 speed / latency N/A / N/A input / output No data |
|---|
DeepSeek V2.5 deepseek-ai/DeepSeek-V2.5 speed / latency No data input / output $0.979/M / $3.92/M | GPT-5 gpt-5-search-api-2025-10-14 speed / latency No data input / output $0.612/M / $4.90/M |
Rankings are based on community-submitted tests and periodic health probes. Advisory only, not official data.
