Data points: 94
The readout for DeepSeek V4 Flash and DeepSeek V4 Pro, before the detailed comparison sheet.
Decision read
DeepSeek V4 Flash
DeepSeek V4 Flash currently has the stronger profile, with verified wins split 5 to 0.
Evidence depth
94 data points
Includes 8 benchmark rows, 6 audit samples, and 10 provider examples.
Selection signal
Start with DeepSeek V4 Flash
The charts below split 24 high-signal samples across speed, scores, and audit health.
Model compare DeepSeek V4 Flash vs DeepSeek V4 Prodeepseek-v4-flash-vs-deepseek-v4-pro | Model A DeepSeek V4 Flash | Model B DeepSeek V4 Pro |
|---|---|---|
| Overall leader | Leading | Contender |
| Verified metric wins | 5 wins | 0 wins |
| Where it leads | Average speed, First-token latency, Free providers, Provider coverage, Recent tests | No data |
| Model metadata | No OpenRouter metadata is available yet for this model. | No OpenRouter metadata is available yet for this model. |
| Developer | DeepSeek | DeepSeek |
| Context window | No data | No data |
| Max output | No data | No data |
| Released | No data | No data |
| Modalities | No data | No data |
| Features | None listed | None listed |
| Parameters | No data | No data |
| Tokenizer | No data | No data |
| Knowledge cutoff | No data | No data |
| OpenRouter ID | No data | No data |
| References | No data | No data |
Third-party benchmark profile synced into LMSpeed; only metrics available for both models are shown.
| Metric | DeepSeek V4 Flash | DeepSeek V4 Pro |
|---|---|---|
| Output price | $0.280/M#4 | $0.870/M#13 |
| HLE | 32.1%#13 | 35.9%#8 |
| Input price | $0.140/M#8 | $0.435/M#17 |
| Blended price | $0.175/M#10 | $0.544/M#26 |
| GPQA | 89.4%#11 | 88.8%#13 |
| SciCode | 44.9%#23 | 50.0%#12 |
| Time to first token | 0.98 s#37 | 1.06 s#40 |
| Output speed | 92.9 tok/s#53 | 53.2 tok/s#83 |
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | DeepSeek V4 Flash | DeepSeek V4 Pro |
|---|---|---|
PICO APIWinner: DeepSeek V4 Flash | DeepSeek V4 Flash deepseek-v4-flash Audit score 92 10068100100 | DeepSeek V4 Pro deepseek-v4-pro No audit yet |
速创APIWinner: DeepSeek V4 Flash | DeepSeek V4 Flash deepseek-v4-flash Audit score 92 10068100100 | DeepSeek V4 Pro deepseek-v4-pro No audit yet |
MyDamoxingWinner: DeepSeek V4 Flash | DeepSeek V4 Flash deepseek-v4-flash Audit score 84 787584100 | DeepSeek V4 Pro deepseek-v4-pro No audit yet |
CatClaw APIWinner: DeepSeek V4 Flash | DeepSeek V4 Flash deepseek-v4-flash Audit score 83 766886100 | DeepSeek V4 Pro deepseek-v4-pro No audit yet |
小水管 APIWinner: DeepSeek V4 Flash | DeepSeek V4 Flash deepseek-v4-flash Audit score 81 727280100 | DeepSeek V4 Pro deepseek-v4-pro No audit yet |
TokenessWinner: DeepSeek V4 Flash | DeepSeek V4 Flash deepseek-v4-flash Audit score 79 648468100 | DeepSeek V4 Pro deepseek-v4-pro No audit yet |
Speed aggregates and input/output pricing share each provider row for real API selection and migration cost checks.
| Provider | DeepSeek V4 Flash | DeepSeek V4 Pro |
|---|---|---|
DeepSeek320 tests | DeepSeek V4 Flash speed / latency 78 tok/s / 2006ms input / output No data | DeepSeek V4 Pro speed / latency 38 tok/s / 5783ms input / output No data |
NVIDIA NIM75 tests | DeepSeek V4 Flash speed / latency 24 tok/s / 9354ms input / output No data | DeepSeek V4 Pro speed / latency 20 tok/s / 1407ms input / output No data |
阿里云百炼 DashScope30 tests | DeepSeek V4 Flash speed / latency 108 tok/s / 3324ms input / output No data | DeepSeek V4 Pro speed / latency 35 tok/s / 7489ms input / output No data |
6i2 API25 tests | DeepSeek V4 Flash speed / latency 307 tok/s / 3427ms input / output No data | DeepSeek V4 Pro speed / latency 189 tok/s / 4115ms input / output No data |
SiliconFlow25 tests | DeepSeek V4 Flash speed / latency 45 tok/s / 9731ms input / output No data | DeepSeek V4 Pro speed / latency N/A / N/A input / output No data |
DeepSeek V4 Flash deepseek-ai/deepseek-v4-flash speed / latency No data input / output $0/M / $0/M | DeepSeek V4 Pro deepseek-ai/deepseek-v4-pro speed / latency No data input / output $0/M / $0/M | |
DeepSeek V4 Flash deepseek-v4-flash speed / latency No data input / output $0/M / $0/M | DeepSeek V4 Pro deepseek-v4-pro-nothinking speed / latency No data input / output $70.00/M / $770.00/M | |
DeepSeek V4 Flash deepseek-ai/deepseek-v4-flash speed / latency No data input / output $0/M / $0/M | DeepSeek V4 Pro deepseek-v4-pro speed / latency No data input / output $2.92/M / $5.84/M | |
DeepSeek V4 Flash deepseek-v4-flash-free speed / latency No data input / output $0/M / $0/M | DeepSeek V4 Pro deepseek-v4-pro speed / latency No data input / output $3.60/M / $7.20/M | |
DeepSeek V4 Flash deepseek-ai/deepseek-v4-flash speed / latency No data input / output $0/M / $0/M | DeepSeek V4 Pro deepseek-v4-pro-chat speed / latency No data input / output $0/M / $0/M |
This report only uses LMSpeed data for DeepSeek V4 Flash and DeepSeek V4 Pro: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Guidance | DeepSeek V4 Flash | DeepSeek V4 Pro |
|---|---|---|
| When to choose each model | DeepSeek V4 Flash DeepSeek V4 Flash is stronger when you prioritize Average speed, First-token latency, Free providers, Provider coverage, Recent tests. | DeepSeek V4 Pro DeepSeek V4 Pro does not clearly lead on the verified metrics here, so check provider-specific pricing before choosing. |
TL;DR: DeepSeek V4 Flash leads across 94 verifiable data points, including pricing, speed, latency, benchmarks, and provider examples.
Continue from DeepSeek V4 Flash vs DeepSeek V4 Pro into nearby model comparisons with enough verified LMSpeed data.
Rankings are based on community-submitted tests and periodic health probes. Advisory only, not official data.
