Data points: 80
The readout for Gemini 3.1 Pro 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
80 data points
Includes 8 benchmark rows, 0 audit samples, and 8 provider examples.
Selection signal
Tie
The charts below split 16 high-signal samples across speed, scores, and audit health.
Model compare Gemini 3.1 Pro vs GPT-5.2gemini-3-1-pro-vs-gpt-5-2 | Model A Gemini 3.1 Pro | Model B GPT-5.2 |
|---|---|---|
| Overall leader | Tie | Tie |
| Verified metric wins | 3 wins | 3 wins |
| Where it leads | Cheapest input price, Average speed, Free providers | First-token latency, Provider coverage, Recent tests |
| Model metadata | Gemini 3.1 Pro exposes 1.0M tokens; notable signals: Text input, Image input, File input, Audio input. | GPT-5.2 exposes 128K tokens; notable signals: Text input, Image input, File input, Text output. |
| Developer | OpenAI | |
| Context window | 1.0M tokens | 128K tokens |
| Max output | 65.5K tokens | 16.4K tokens |
| Released | Feb 2026 | 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 mode |
| 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-chat |
| References | No data | No data |
Third-party benchmark profile synced into LMSpeed; only metrics available for both models are shown.
| Metric | Gemini 3.1 Pro | GPT-5.2 |
|---|---|---|
| GPQA | 94.1%#1 | 90.3%#9 |
| SciCode | 58.9%#2 | 52.1%#9 |
| HLE | 44.7%#3 | 35.4%#9 |
| Input price | $2.00/M#36 | $1.75/M#35 |
| Output speed | 133.4 tok/s#35 | 72.8 tok/s#71 |
| Output price | $12.00/M#42 | $14.00/M#43 |
| Blended price | $4.50/M#61 | $4.81/M#62 |
| Time to first answer token | 28.68 s#84 | 115.69 s#109 |
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | Gemini 3.1 Pro | 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 | GPT-5.2 |
|---|---|---|
N1N15 tests | Gemini 3.1 Pro speed / latency N/A / N/A input / output No data | GPT-5.2 speed / latency 56 tok/s / 1798ms input / output No data |
星见雅 API15 tests | Gemini 3.1 Pro speed / latency N/A / N/A input / output No data | GPT-5.2 speed / latency 52 tok/s / 2671ms input / output No data |
CatClaw API10 tests | Gemini 3.1 Pro speed / latency 121 tok/s / 11404ms input / output No data | GPT-5.2 speed / latency N/A / N/A input / output No data |
PackyAPI10 tests | Gemini 3.1 Pro speed / latency N/A / N/A input / output No data | GPT-5.2 speed / latency 94 tok/s / 11492ms input / output No data |
TradingBase API10 tests | Gemini 3.1 Pro speed / latency 102 tok/s / 12933ms input / output No data | GPT-5.2 speed / latency N/A / N/A input / output No data |
Gemini 3.1 Pro gemini-3.1-pro-preview speed / latency No data input / output $0.0041/M / $0.0041/M | GPT-5.2 gpt-5.2(xhigh) speed / latency No data input / output $0.041/M / $0.329/M | |
Gemini 3.1 Pro gemini-3.1-pro-preview speed / latency No data input / output $0.014/M / $0.014/M | GPT-5.2 gpt-5.2-openai-compact speed / latency No data input / output $10.27/M / $10.27/M | |
Gemini 3.1 Pro gemini-3.1-pro-preview-c speed / latency No data input / output $0.018/M / $0.018/M | GPT-5.2 gpt-5.2 speed / latency No data input / output $0.300/M / $2.40/M |
This report only uses LMSpeed data for Gemini 3.1 Pro and GPT-5.2: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Guidance | Gemini 3.1 Pro | GPT-5.2 |
|---|---|---|
| When to choose each model | Gemini 3.1 Pro Gemini 3.1 Pro is stronger when you prioritize Cheapest input price, Average speed, Free providers. | GPT-5.2 GPT-5.2 is stronger when you prioritize First-token latency, Provider coverage, Recent tests. |
TL;DR: Tie leads across 80 verifiable data points, including pricing, speed, latency, benchmarks, and provider examples.
Continue from Gemini 3.1 Pro 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.
