Data points: 67
The readout for Gemini 3.1 Pro Preview 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 0 to 4.
Evidence depth
67 data points
Includes 9 benchmark rows, 0 audit samples, and 6 provider examples.
Selection signal
Start with GPT-5.2
The charts below split 15 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 Gemini 3.1 Pro Preview vs GPT-5.2gemini-3-1-pro-preview-vs-gpt-5-2 | Model A Gemini 3.1 Pro Preview | Model B GPT-5.2 |
|---|---|---|
| Overall leader | Contender | Leading |
| Verified metric wins | 0 wins | 4 wins |
| Where it leads | No data | Cheapest input price, Free providers, Provider coverage, Recent tests |
| Model metadata | Gemini 3.1 Pro Preview exposes 1.0M tokens; notable signals: Text input, Image input, File input, Audio input. | GPT-5.2 exposes 400K tokens; notable signals: Text input, Image input, File input, Text output. |
| Developer | OpenAI | |
| Context window | 1.0M tokens | 400K tokens |
| Max output | 65.5K tokens | 128K tokens |
| Released | No data | Dec 2025 |
| Modalities | Input AudioFileImageTextvideo Output Text | Input FileImageText Output Text |
| Features | Text inputImage inputFile inputAudio inputText outputTool callingStructured outputsJSON modeReasoning | Text inputImage inputFile inputText outputTool callingStructured outputsJSON modeReasoning |
| Parameters | No data | No data |
| Tokenizer | Gemini | GPT |
| Knowledge cutoff | No data | No data |
| OpenRouter ID | google/gemini-3.1-pro-preview | openai/gpt-5.2 |
| References | No data | No data |
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
Gemini 3.1 Pro Preview
64.2
Avg. score
GPT-5.2
64.1
Selected category
Reasoning
Gemini 3.1 Pro Preview leads by 19.9
Metric-level scores with benchmark source, rank depth, confidence, error, and evaluation date where available.
Gemini 3.1 Pro Preview
23.89 s
Rank #82/113 · confidence 4
GPT-5.2
winner0.71 s
Rank #20/113 · confidence 4
Gemini 3.1 Pro Preview
23.89 s
Rank #105/113 · confidence 4
GPT-5.2
winner0.71 s
Rank #25/113 · confidence 4
Gemini 3.1 Pro Preview
winner129.5 tok/s
Rank #35/113 · confidence 4
GPT-5.2
68.0 tok/s
Rank #69/113 · confidence 4
Gemini 3.1 Pro Preview
$2.00/M
Rank #107/138 · confidence 4
GPT-5.2
winner$1.75/M
Rank #104/138 · confidence 4
Gemini 3.1 Pro Preview
winner$4.50/M
Rank #111/138 · confidence 4
GPT-5.2
$4.81/M
Rank #113/138 · confidence 4
Gemini 3.1 Pro Preview
winner$12.00/M
Rank #111/138 · confidence 4
GPT-5.2
$14.00/M
Rank #113/138 · confidence 4
Gemini 3.1 Pro Preview
winner94.1%
Rank #2/152 · confidence 4
GPT-5.2
71.2%
Rank #85/152 · confidence 4
Gemini 3.1 Pro Preview
winner44.7%
Rank #5/150 · confidence 4
GPT-5.2
7.3%
Rank #81/150 · confidence 4
Gemini 3.1 Pro Preview
winner58.9%
Rank #2/149 · confidence 4
GPT-5.2
40.4%
Rank #48/149 · confidence 4
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | Gemini 3.1 Pro Preview | 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 | Gemini 3.1 Pro Preview | GPT-5.2 |
|---|---|---|
Crond0 tests | Gemini 3.1 Pro Preview gemini-3.1-pro-preview-免费 speed / latency N/A / N/A input / output $15.00/M / $15.00/M | GPT-5.2 gpt-5.2 speed / latency N/A / N/A input / output $1.75/M / $14.00/M |
Nova AI0 tests | Gemini 3.1 Pro Preview speed / latency N/A / N/A input / output No data | GPT-5.2 speed / latency N/A / N/A input / output No data |
RenRen API0 tests | Gemini 3.1 Pro Preview speed / latency N/A / N/A input / output No data | GPT-5.2 speed / latency N/A / N/A input / output No data |
R的API小站0 tests | Gemini 3.1 Pro Preview speed / latency N/A / N/A input / output No data | GPT-5.2 speed / latency N/A / N/A input / output No data |
Sliam0 tests | Gemini 3.1 Pro Preview speed / latency N/A / N/A input / output No data | GPT-5.2 speed / latency N/A / N/A input / output No data |
Gemini 3.1 Pro Preview [快速]gemini-3.1-pro-preview speed / latency No data input / output $1.00/M / $1.00/M | GPT-5.2 gpt-5.2-2025-12-11 speed / latency No data input / output $1.75/M / $14.00/M |
This report only uses LMSpeed data for Gemini 3.1 Pro Preview and GPT-5.2: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Guidance | Gemini 3.1 Pro Preview | GPT-5.2 |
|---|---|---|
| When to choose each model | Gemini 3.1 Pro Preview Gemini 3.1 Pro Preview does not clearly lead on the verified metrics here, so check provider-specific pricing before choosing. | GPT-5.2 GPT-5.2 is stronger when you prioritize Cheapest input price, Free providers, Provider coverage, Recent tests. |
TL;DR: GPT-5.2 leads across 67 verifiable data points, including pricing, speed, latency, benchmarks, and provider examples.
Continue from Gemini 3.1 Pro Preview 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.
