Data points: 82
The readout for DeepSeek R1 and GPT-5.2, before the detailed comparison sheet.
Decision read
GPT-5.2
GPT-5.2 currently has the stronger profile, with verified wins split 2 to 4.
Evidence depth
82 data points
Includes 8 benchmark rows, 0 audit samples, and 9 provider examples.
Selection signal
Start with GPT-5.2
The charts below split 17 high-signal samples across speed, scores, and audit health.
Model compare DeepSeek R1 vs GPT-5.2deepseek-r1-vs-gpt-5-2 | Model A DeepSeek R1 | Model B GPT-5.2 |
|---|---|---|
| Overall leader | Contender | Leading |
| Verified metric wins | 2 wins | 4 wins |
| Where it leads | Free providers, Recent tests | Cheapest input price, Average speed, First-token latency, Provider coverage |
| Model metadata | DeepSeek R1 exposes 163.8K tokens; notable signals: Text input, Text output, Tool calling, Structured outputs. | GPT-5.2 exposes 128K tokens; notable signals: Text input, Image input, File input, Text output. |
| Developer | DeepSeek | OpenAI |
| Context window | 163.8K tokens | 128K tokens |
| Max output | 32.8K tokens | 16.4K tokens |
| Released | May 2025 | Dec 2025 |
| Modalities | Input Text Output Text | Input FileImageText Output Text |
| Features | Text inputText outputTool callingStructured outputsJSON modeReasoning | Text inputImage inputFile inputText outputTool callingStructured outputsJSON mode |
| Parameters | No data | No data |
| Tokenizer | DeepSeek | GPT |
| Knowledge cutoff | 2025-03-31 | No data |
| OpenRouter ID | deepseek/deepseek-r1-0528 | openai/gpt-5.2-chat |
| References | No data | No data |
Third-party benchmark profile synced into LMSpeed; only metrics available for both models are shown.
| Metric | DeepSeek R1 | GPT-5.2 |
|---|---|---|
| LiveCodeBench | 77.0%#23 | 88.9%#4 |
| MMLU-Pro | 84.9%#18 | 87.4%#6 |
| GPQA | 81.3%#51 | 90.3%#9 |
| HLE | 14.9%#52 | 35.4%#9 |
| SciCode | 40.3%#45 | 52.1%#9 |
| Input price | $1.35/M#31 | $1.75/M#35 |
| Output price | $4.20/M#32 | $14.00/M#43 |
| Blended price | $2.06/M#52 | $4.81/M#62 |
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | DeepSeek R1 | GPT-5.2 |
|---|---|---|
| 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 R1 | GPT-5.2 |
|---|---|---|
ChatGTP30 tests | DeepSeek R1 speed / latency 47 tok/s / 15233ms input / output No data | GPT-5.2 speed / latency N/A / N/A input / output No data |
OpenRouter24 tests | DeepSeek R1 speed / latency 43 tok/s / 16905ms input / output No data | GPT-5.2 speed / latency N/A / N/A input / output No data |
N1N15 tests | DeepSeek R1 speed / latency N/A / N/A input / output No data | GPT-5.2 speed / latency 56 tok/s / 1798ms input / output No data |
ocool AI13 tests | DeepSeek R1 speed / latency 104 tok/s / 2242ms input / output No data | GPT-5.2 speed / latency N/A / N/A input / output No data |
Gpt API10 tests | DeepSeek R1 speed / latency 38 tok/s / 2259ms input / output No data | GPT-5.2 speed / latency N/A / N/A input / output No data |
DeepSeek R1 deepseek-r1 speed / latency No data input / output $0.0010/M / $0.0010/M | GPT-5.2 gpt-5.2 speed / latency No data input / output $0.010/M / $0.010/M | |
DeepSeek R1 deepseek-r1-0528 speed / latency No data input / output $0.010/M / $0.010/M | GPT-5.2 gpt-5.2 speed / latency No data input / output $0.050/M / $0.050/M | |
DeepSeek R1 deepseek-r1-0528 speed / latency No data input / output $0.010/M / $0.010/M | GPT-5.2 gpt-5.2-chat-latest speed / latency No data input / output $75.00/M / $600.00/M | |
DeepSeek R1 deepseek-ai/DeepSeek-R1-0528 speed / latency No data input / output $0.024/M / $0.096/M | GPT-5.2 gpt-5.2-medium speed / latency No data input / output $0.024/M / $0.192/M |
This report only uses LMSpeed data for DeepSeek R1 and GPT-5.2: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Guidance | DeepSeek R1 | GPT-5.2 |
|---|---|---|
| When to choose each model | DeepSeek R1 DeepSeek R1 is stronger when you prioritize Free providers, Recent tests. | GPT-5.2 GPT-5.2 is stronger when you prioritize Cheapest input price, Average speed, First-token latency, Provider coverage. |
TL;DR: GPT-5.2 leads across 82 verifiable data points, including pricing, speed, latency, benchmarks, and provider examples.
Continue from DeepSeek R1 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.
