Data points: 50
The readout for DeepSeek Chat V3.1 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 1 to 5.
Evidence depth
50 data points
Includes 0 benchmark rows, 0 audit samples, and 5 provider examples.
Selection signal
Start with GPT-5.2
The charts below split 5 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 Chat V3.1 vs GPT-5.2deepseek-chat-v3-1-vs-gpt-5-2 | Model A DeepSeek Chat V3.1 | Model B GPT-5.2 |
|---|---|---|
| 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 Chat V3.1
-
Avg. score
GPT-5.2
67.1
Selected category
Agents
GPT-5.2
Metric-level scores with benchmark source, rank depth, confidence, error, and evaluation date where available.
No shared professional benchmark scores are available yet.
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | DeepSeek Chat V3.1 | 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 Chat V3.1 | GPT-5.2 |
|---|---|---|
10 tests | DeepSeek Chat V3.1 speed / latency 18 tok/s / 2318ms input / output No data |
This report only uses LMSpeed data for DeepSeek Chat V3.1 and GPT-5.2: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Guidance | DeepSeek Chat V3.1 | GPT-5.2 |
|---|---|---|
| When to choose each model | DeepSeek Chat V3.1 DeepSeek Chat V3.1 is stronger when you prioritize First-token latency. | GPT-5.2 GPT-5.2 is stronger when you prioritize Cheapest input price, Average speed, Free providers, Provider coverage, Recent tests. |
TL;DR: GPT-5.2 leads across 50 verifiable data points, including pricing, speed, latency, benchmarks, and provider examples.
Continue from DeepSeek Chat V3.1 vs GPT-5.2 into nearby model comparisons with enough verified LMSpeed data.
| Model metadata | DeepSeek Chat V3.1 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 | Aug 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-chat-v3.1 | openai/gpt-5.2-chat |
| References | No data | No data |
GPT-5.2
speed / latency
N/A / N/A
input / output
No data
AI API0 tests | DeepSeek Chat V3.1 deepseek/deepseek-chat-v3.1 speed / latency N/A / N/A input / output $0.300/M / $1.50/M | GPT-5.2 openai/gpt-5.2 speed / latency N/A / N/A input / output $6.00/M / $24.00/M |
|---|
KFCV500 tests | DeepSeek Chat V3.1 speed / latency N/A / N/A input / output No data | GPT-5.2 speed / latency N/A / N/A input / output No data |
|---|
OpenRouter Fans0 tests | DeepSeek Chat V3.1 speed / latency N/A / N/A input / output No data | GPT-5.2 speed / latency N/A / N/A input / output No data |
|---|
Seamee API0 tests | DeepSeek Chat V3.1 speed / latency N/A / N/A input / output No data | GPT-5.2 speed / latency N/A / N/A input / output No data |
|---|
Rankings are based on community-submitted tests and periodic health probes. Advisory only, not official data.
