Data points: 67
The readout for Gemini 3.1 Pro and Gemini 3 Pro Image, 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 0.
Evidence depth
67 data points
Includes 0 benchmark rows, 1 audit samples, and 9 provider examples.
Selection signal
Start with Gemini 3.1 Pro
The charts below split 10 high-signal samples across speed, scores, and audit health.
Model compare Gemini 3.1 Pro vs Gemini 3 Pro Imagegemini-3-1-pro-vs-gemini-3-pro-image | Model A Gemini 3.1 Pro | Model B Gemini 3 Pro Image |
|---|---|---|
| Overall leader | Leading | Contender |
| Verified metric wins | 4 wins | 0 wins |
| Where it leads | Cheapest input price, 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 Image |
|---|---|---|
| No shared benchmark metrics are available yet. | ||
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | Gemini 3.1 Pro | Gemini 3 Pro Image |
|---|---|---|
Winner: Gemini 3.1 Pro | Gemini 3.1 Pro gemini-3.1-pro-preview Audit score 79 69 |
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 Image |
|---|---|---|
10 tests | Gemini 3.1 Pro speed / latency 102 tok/s / 12933ms input / output No data |
This report only uses LMSpeed data for Gemini 3.1 Pro and Gemini 3 Pro Image: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Guidance | Gemini 3.1 Pro | Gemini 3 Pro Image |
|---|---|---|
| When to choose each model | Gemini 3.1 Pro Gemini 3.1 Pro is stronger when you prioritize Cheapest input price, Free providers, Provider coverage, Recent tests. | Gemini 3 Pro Image Gemini 3 Pro Image does not clearly lead on the verified metrics here, so check provider-specific pricing before choosing. |
TL;DR: Gemini 3.1 Pro leads across 67 verifiable data points, including pricing, speed, latency, benchmarks, and provider examples.
Continue from Gemini 3.1 Pro vs Gemini 3 Pro Image into nearby model comparisons with enough verified LMSpeed data.
| No data |
| Model metadata | Gemini 3.1 Pro exposes 1.0M tokens; notable signals: Text input, Image input, File input, Audio input. | Gemini 3 Pro Image exposes 65.5K tokens; notable signals: Text input, Image input, Text output, Image output. |
|---|---|---|
| Developer | ||
| Context window | 1.0M tokens | 65.5K tokens |
| Max output | 65.5K tokens | 32.8K tokens |
| Released | Feb 2026 | Nov 2025 |
| Modalities | Input AudioFileImageTextvideo Output Text | Input ImageText Output ImageText |
| Features | Text inputImage inputFile inputAudio inputText outputTool callingStructured outputsJSON modeReasoning | Text inputImage inputText outputImage outputStructured outputsJSON mode |
| Parameters | No data | No data |
| Tokenizer | Gemini | Gemini |
| Knowledge cutoff | No data | No data |
| OpenRouter ID | google/gemini-3.1-pro-preview | google/gemini-3-pro-image-preview |
| References | No data | No data |
Gemini 3 Pro Image gemini-3-pro-image-preview No audit yet |
Gemini 3 Pro Image
speed / latency
N/A / N/A
input / output
No data
AIHubMix5 tests | Gemini 3.1 Pro speed / latency 70 tok/s / 25059ms input / output No data | Gemini 3 Pro Image speed / latency N/A / N/A input / output No data |
|---|
Hi API5 tests | Gemini 3.1 Pro speed / latency 70 tok/s / 23273ms input / output No data | Gemini 3 Pro Image speed / latency N/A / N/A input / output No data |
|---|
小水管 API5 tests | Gemini 3.1 Pro speed / latency 113 tok/s / 15704ms input / output No data | Gemini 3 Pro Image speed / latency N/A / N/A input / output No data |
|---|
柠檬API5 tests | Gemini 3.1 Pro speed / latency 69 tok/s / 19702ms input / output No data | Gemini 3 Pro Image speed / latency N/A / N/A input / output No data |
|---|
Gemini 3.1 Pro gemini-3.1-pro speed / latency No data input / output $0.027/M / $0.164/M | Gemini 3 Pro Image gemini-3-pro-image speed / latency No data input / output $0.0041/M / $0.0041/M |
Gemini 3.1 Pro gemini-3.1-pro-preview-c speed / latency No data input / output $0.0082/M / $0.0082/M | Gemini 3 Pro Image gemini-3-pro-image-preview-4k speed / latency No data input / output $0.110/M / $0.110/M |
Gemini 3.1 Pro gemini-3.1-pro-preview speed / latency No data input / output $0.268/M / $1.61/M | Gemini 3 Pro Image gemini-3-pro-image-preview speed / latency No data input / output $0.012/M / $0.012/M |
Gemini 3.1 Pro gemini-3.1-pro-preview speed / latency No data input / output $0.247/M / $1.48/M | Gemini 3 Pro Image gemini-3-pro-image-preview speed / latency No data input / output $0.014/M / $0.014/M |
Rankings are based on community-submitted tests and periodic health probes. Advisory only, not official data.