Data points: 68
The readout for Gemini 3.1 Pro and Gemini 3 Pro, before the detailed comparison sheet.
Decision read
Gemini 3.1 Pro
Gemini 3.1 Pro currently has the stronger profile, with verified wins split 4 to 1.
Evidence depth
68 data points
Includes 6 benchmark rows, 0 audit samples, and 8 provider examples.
Selection signal
Start with Gemini 3.1 Pro
The charts below split 14 high-signal samples across speed, scores, and audit health.
Model compare Gemini 3.1 Pro vs Gemini 3 Progemini-3-1-pro-vs-gemini-3-pro | Model A Gemini 3.1 Pro | Model B Gemini 3 Pro |
|---|---|---|
| Overall leader | Leading | Contender |
| Verified metric wins | 4 wins | 1 wins |
| Where it leads | Average speed, Free providers, Provider coverage, Recent tests |
Third-party benchmark profile synced into LMSpeed; only metrics available for both models are shown.
| Metric | Gemini 3.1 Pro | Gemini 3 Pro |
|---|---|---|
| GPQA | 94.1%#1 |
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | Gemini 3.1 Pro | Gemini 3 Pro |
|---|---|---|
| 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 | Gemini 3 Pro |
|---|---|---|
15 tests | Gemini 3.1 Pro speed / latency N/A / N/A input / output No data |
This report only uses LMSpeed data for Gemini 3.1 Pro and Gemini 3 Pro: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Guidance | Gemini 3.1 Pro | Gemini 3 Pro |
|---|---|---|
| When to choose each model | Gemini 3.1 Pro Gemini 3.1 Pro is stronger when you prioritize Average speed, Free providers, Provider coverage, Recent tests. | Gemini 3 Pro Gemini 3 Pro is stronger when you prioritize First-token latency. |
TL;DR: Gemini 3.1 Pro leads across 68 verifiable data points, including pricing, speed, latency, benchmarks, and provider examples.
Continue from Gemini 3.1 Pro vs Gemini 3 Pro into nearby model comparisons with enough verified LMSpeed data.
| First-token latency |
| Model metadata | Gemini 3.1 Pro exposes 1.0M tokens; notable signals: Text input, Image input, File input, Audio input. | No OpenRouter metadata is available yet for this model. |
|---|---|---|
| Developer | ||
| Context window | 1.0M tokens | No data |
| Max output | 65.5K tokens | No data |
| Released | Feb 2026 | No data |
| Modalities | Input AudioFileImageTextvideo Output Text | No data |
| Features | Text inputImage inputFile inputAudio inputText outputTool callingStructured outputsJSON modeReasoning | None listed |
| Parameters | No data | No data |
| Tokenizer | Gemini | No data |
| Knowledge cutoff | No data | No data |
| OpenRouter ID | google/gemini-3.1-pro-preview | No data |
| References | No data | No data |
| SciCode | 58.9%#2 | 56.1%#4 |
|---|
| HLE | 44.7%#3 | 37.2%#7 |
|---|
| Input price | $2.00/M#36 | $2.00/M#36 |
|---|
| Output price | $12.00/M#42 | $12.00/M#42 |
|---|
| Blended price | $4.50/M#61 | $4.50/M#61 |
|---|
Gemini 3 Pro
speed / latency
83 tok/s / 14822ms
input / output
No data
CatClaw API10 tests | Gemini 3.1 Pro speed / latency 121 tok/s / 11404ms input / output No data | Gemini 3 Pro speed / latency N/A / N/A input / output No data |
|---|
Hi API10 tests | Gemini 3.1 Pro speed / latency 70 tok/s / 23273ms input / output No data | Gemini 3 Pro speed / latency 107 tok/s / 15729ms input / output No data |
|---|
TradingBase API10 tests | Gemini 3.1 Pro speed / latency 102 tok/s / 12933ms input / output No data | Gemini 3 Pro speed / latency N/A / N/A input / output No data |
|---|
小水管 API10 tests | Gemini 3.1 Pro speed / latency 113 tok/s / 15704ms input / output No data | Gemini 3 Pro speed / latency 16 tok/s / 1749ms input / output No data |
|---|
Gemini 3.1 Pro gemini-3.1-pro-preview speed / latency No data input / output $0.0001/M / $0.0001/M | Gemini 3 Pro gemini-3-pro-preview speed / latency No data input / output $0.0001/M / $0.0001/M |
Gemini 3.1 Pro gemini-3.1-pro-preview speed / latency No data input / output $0.0041/M / $0.0041/M | Gemini 3 Pro gemini-3-pro-preview speed / latency No data input / output $0.015/M / $0.988/M |
Gemini 3.1 Pro gemini-3.1-pro-preview speed / latency No data input / output $0.274/M / $1.64/M | Gemini 3 Pro gemini-3-pro-preview speed / latency No data input / output $0.0048/M / $0.0048/M |
Rankings are based on community-submitted tests and periodic health probes. Advisory only, not official data.
