Data points: 62
The readout for Gemini 2.0 Flash Lite and Gemini 3.1 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 2 to 4.
Evidence depth
62 data points
Includes 3 benchmark rows, 0 audit samples, and 9 provider examples.
Selection signal
Start with Gemini 3.1 Pro
The charts below split 12 high-signal samples across speed, scores, and audit health.
Model compare Gemini 2.0 Flash Lite vs Gemini 3.1 Progemini-2-0-flash-lite-vs-gemini-3-1-pro | Model A Gemini 2.0 Flash Lite | Model B Gemini 3.1 Pro |
|---|---|---|
| Overall leader | Contender | Leading |
| Verified metric wins | 2 wins | 4 wins |
| Where it leads | Average speed, First-token latency |
Third-party benchmark profile synced into LMSpeed; only metrics available for both models are shown.
| Metric | Gemini 2.0 Flash Lite | Gemini 3.1 Pro |
|---|---|---|
| GPQA | 54.2%#115 |
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | Gemini 2.0 Flash Lite | Gemini 3.1 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 2.0 Flash Lite | Gemini 3.1 Pro |
|---|---|---|
15 tests | Gemini 2.0 Flash Lite speed / latency 188 tok/s / 1056ms input / output No data |
This report only uses LMSpeed data for Gemini 2.0 Flash Lite and Gemini 3.1 Pro: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Guidance | Gemini 2.0 Flash Lite | Gemini 3.1 Pro |
|---|---|---|
| When to choose each model | Gemini 2.0 Flash Lite Gemini 2.0 Flash Lite is stronger when you prioritize Average speed, First-token latency. | Gemini 3.1 Pro Gemini 3.1 Pro is stronger when you prioritize Cheapest input price, Free providers, Provider coverage, Recent tests. |
TL;DR: Gemini 3.1 Pro leads across 62 verifiable data points, including pricing, speed, latency, benchmarks, and provider examples.
Continue from Gemini 2.0 Flash Lite vs Gemini 3.1 Pro into nearby model comparisons with enough verified LMSpeed data.
| Cheapest input price, Free providers, Provider coverage, Recent tests |
| Model metadata | No OpenRouter metadata is available yet for this model. | Gemini 3.1 Pro exposes 1.0M tokens; notable signals: Text input, Image input, File input, Audio input. |
|---|---|---|
| Developer | ||
| Context window | No data | 1.0M tokens |
| Max output | No data | 65.5K tokens |
| Released | No data | Feb 2026 |
| Modalities | No data | Input AudioFileImageTextvideo Output Text |
| Features | None listed | Text inputImage inputFile inputAudio inputText outputTool callingStructured outputsJSON modeReasoning |
| Parameters | No data | No data |
| Tokenizer | No data | Gemini |
| Knowledge cutoff | No data | No data |
| OpenRouter ID | No data | google/gemini-3.1-pro-preview |
| References | No data | No data |
| SciCode | 24.7%#102 | 58.9%#2 |
|---|
| HLE | 4.4%#92 | 44.7%#3 |
|---|
Gemini 3.1 Pro
speed / latency
N/A / N/A
input / output
No data
TradingBase API10 tests | Gemini 2.0 Flash Lite speed / latency N/A / N/A input / output No data | Gemini 3.1 Pro speed / latency 102 tok/s / 12933ms input / output No data |
|---|
向量引擎10 tests | Gemini 2.0 Flash Lite speed / latency 135 tok/s / 640ms input / output No data | Gemini 3.1 Pro speed / latency N/A / N/A input / output No data |
|---|
哈基米API10 tests | Gemini 2.0 Flash Lite speed / latency 175 tok/s / 3024ms input / output No data | Gemini 3.1 Pro speed / latency N/A / N/A input / output No data |
|---|
AIHubMix5 tests | Gemini 2.0 Flash Lite speed / latency N/A / N/A input / output No data | Gemini 3.1 Pro speed / latency 70 tok/s / 25059ms input / output No data |
|---|
Gemini 2.0 Flash Lite gemini-2.0-flash-lite speed / latency No data input / output $0.014/M / $0.055/M | Gemini 3.1 Pro gemini-3.1-pro-preview-c speed / latency No data input / output $0.0082/M / $0.0082/M |
Gemini 2.0 Flash Lite gemini-2.0-flash-lite-preview speed / latency No data input / output $0.010/M / $0.041/M | Gemini 3.1 Pro gemini-3.1-pro-preview-low-maxthinking speed / latency No data input / output $10.27/M / $30.82/M |
Gemini 2.0 Flash Lite gemini-2.0-flash-lite speed / latency No data input / output $0.010/M / $0.041/M | Gemini 3.1 Pro gemini-3.1-pro-preview-customtools speed / latency No data input / output $0.274/M / $1.64/M |
Gemini 2.0 Flash Lite gemini-2.0-flash-lite speed / latency No data input / output $0.010/M / $0.041/M | Gemini 3.1 Pro gemini-3.1-pro-preview-customtools speed / latency No data input / output $0.274/M / $1.64/M |
Rankings are based on community-submitted tests and periodic health probes. Advisory only, not official data.
