Data points: 79
The readout for DeepSeek V4 Flash and GPT-5.2, before the detailed comparison sheet.
Decision read
Tie
Tie currently has the stronger profile, with verified wins split 3 to 3.
Evidence depth
79 data points
Includes 8 benchmark rows, 3 audit samples, and 8 provider examples.
Selection signal
Tie
The charts below split 19 high-signal samples across speed, scores, and audit health.
Model compare DeepSeek V4 Flash vs GPT-5.2deepseek-v4-flash-vs-gpt-5-2 | Model A DeepSeek V4 Flash | Model B GPT-5.2 |
|---|---|---|
| Overall leader | Tie | Tie |
| Verified metric wins | 3 wins | 3 wins |
| Where it leads | Average speed, Free providers, Recent tests | Cheapest input price, First-token latency, Provider coverage |
| Model metadata | No OpenRouter metadata is available yet for this model. | No OpenRouter metadata is available yet for this model. |
| Developer | DeepSeek | OpenAI |
| 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 | GPT-5.2 |
|---|---|---|
| Output price | $0.280/M#4 | $14.00/M#42 |
| Input price | $0.140/M#8 | $1.75/M#34 |
| GPQA | 89.4%#11 | 90.3%#9 |
| HLE | 32.1%#13 | 35.4%#9 |
| SciCode | 44.9%#23 | 52.1%#9 |
| Blended price | $0.175/M#10 | $4.81/M#61 |
| Time to first token | 0.98 s#37 | 101.21 s#109 |
| Output speed | 92.9 tok/s#53 | 72.8 tok/s#69 |
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | DeepSeek V4 Flash | GPT-5.2 |
|---|---|---|
速创APIWinner: DeepSeek V4 Flash | DeepSeek V4 Flash deepseek-v4-flash Audit score 92 10068100100 | GPT-5.2 gpt-5.2 No audit yet |
MyDamoxingWinner: DeepSeek V4 Flash | DeepSeek V4 Flash deepseek-v4-flash Audit score 84 787584100 | GPT-5.2 gpt-5.2 No audit yet |
小水管 APIWinner: DeepSeek V4 Flash | DeepSeek V4 Flash deepseek-v4-flash Audit score 81 727280100 | GPT-5.2 gpt-5.2-chat-latest 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 | GPT-5.2 |
|---|---|---|
小水管 API25 tests | DeepSeek V4 Flash sensenova/deepseek-v4-flash speed / latency 83 tok/s / 5114ms input / output $0/M / $0/M | GPT-5.2 gpt-5.2-chat-latest speed / latency 71 tok/s / 2893ms input / output $0/M / $0/M |
OpenCode20 tests | DeepSeek V4 Flash speed / latency 55 tok/s / 31496ms input / output No data | GPT-5.2 speed / latency N/A / N/A input / output No data |
星见雅 API20 tests | DeepSeek V4 Flash speed / latency 47 tok/s / 10092ms input / output No data | GPT-5.2 speed / latency 52 tok/s / 2671ms input / output No data |
N1N15 tests | DeepSeek V4 Flash speed / latency N/A / N/A input / output No data | GPT-5.2 speed / latency 56 tok/s / 1798ms input / output No data |
9527 API10 tests | DeepSeek V4 Flash speed / latency 31 tok/s / 7293ms input / output No data | GPT-5.2 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 | GPT-5.2 gpt-5-2 speed / latency No data input / output $0.080/M / $0.080/M | |
DeepSeek V4 Flash deepseek-ai/deepseek-v4-flash speed / latency No data input / output $0/M / $0/M | GPT-5.2 gpt-5.2 speed / latency No data input / output $1.75/M / $14.00/M | |
DeepSeek V4 Flash deepseek-v4-flash speed / latency No data input / output $0.0012/M / $0.0012/M | GPT-5.2 gpt-5.2 speed / latency No data input / output $0.240/M / $1.92/M |
This report only uses LMSpeed data for DeepSeek V4 Flash and GPT-5.2: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Guidance | DeepSeek V4 Flash | GPT-5.2 |
|---|---|---|
| When to choose each model | DeepSeek V4 Flash DeepSeek V4 Flash is stronger when you prioritize Average speed, Free providers, Recent tests. | GPT-5.2 GPT-5.2 is stronger when you prioritize Cheapest input price, First-token latency, Provider coverage. |
TL;DR: Tie leads across 79 verifiable data points, including pricing, speed, latency, benchmarks, and provider examples.
Continue from DeepSeek V4 Flash vs GPT-5.2 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.
