Data points: 72
The readout for Gemini 3 Flash and Gemini 3 Pro, before the detailed comparison sheet.
Decision read
Gemini 3 Flash
Gemini 3 Flash currently has the stronger profile, with verified wins split 5 to 0.
Evidence depth
72 data points
Includes 8 benchmark rows, 0 audit samples, and 9 provider examples.
Selection signal
Start with Gemini 3 Flash
The charts below split 17 high-signal samples across speed, scores, and audit health.
Model compare Gemini 3 Flash vs Gemini 3 Progemini-3-flash-vs-gemini-3-pro | Model A Gemini 3 Flash | Model B Gemini 3 Pro |
|---|---|---|
| Overall leader | Leading | Contender |
| Verified metric wins | 5 wins | 0 wins |
| Where it leads | Average speed, First-token latency, Free providers, Provider coverage, Recent tests |
Third-party benchmark profile synced into LMSpeed; only metrics available for both models are shown.
| Metric | Gemini 3 Flash | Gemini 3 Pro |
|---|---|---|
| LiveCodeBench | 79.7%#19 |
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | Gemini 3 Flash | 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 Flash | Gemini 3 Pro |
|---|---|---|
35 tests | Gemini 3 Flash speed / latency 157 tok/s / 7994ms input / output No data |
This report only uses LMSpeed data for Gemini 3 Flash and Gemini 3 Pro: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Guidance | Gemini 3 Flash | Gemini 3 Pro |
|---|---|---|
| When to choose each model | Gemini 3 Flash Gemini 3 Flash is stronger when you prioritize Average speed, First-token latency, Free providers, Provider coverage, Recent tests. | Gemini 3 Pro Gemini 3 Pro does not clearly lead on the verified metrics here, so check provider-specific pricing before choosing. |
TL;DR: Gemini 3 Flash leads across 72 verifiable data points, including pricing, speed, latency, benchmarks, and provider examples.
Continue from Gemini 3 Flash vs Gemini 3 Pro into nearby model comparisons with enough verified LMSpeed data.
| No data |
| Model metadata | Gemini 3 Flash 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 | Dec 2025 | No data |
| Modalities | Input TextImageFileAudiovideo 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-flash-preview | No data |
| References | No data | No data |
| MMLU-Pro | 88.2%#4 | 89.8%#1 |
|---|
| SciCode | 49.9%#13 | 56.1%#4 |
|---|
| GPQA | 81.2%#52 | 90.8%#7 |
|---|
| HLE | 14.1%#55 | 37.2%#7 |
|---|
| Input price | $0.500/M#18 | $2.00/M#36 |
|---|
| Output price | $3.00/M#28 | $12.00/M#42 |
|---|
| Blended price | $1.13/M#42 | $4.50/M#61 |
|---|
Gemini 3 Pro
speed / latency
83 tok/s / 14822ms
input / output
No data
CatClaw API30 tests | Gemini 3 Flash speed / latency 129 tok/s / 10293ms input / output No data | Gemini 3 Pro speed / latency N/A / N/A input / output No data |
|---|
Hi API15 tests | Gemini 3 Flash speed / latency 118 tok/s / 9594ms input / output No data | Gemini 3 Pro speed / latency 107 tok/s / 15729ms input / output No data |
|---|
Rnglg2 API15 tests | Gemini 3 Flash speed / latency 160 tok/s / 6933ms input / output No data | Gemini 3 Pro speed / latency 85 tok/s / 12067ms input / output No data |
|---|
Seamee API10 tests | Gemini 3 Flash speed / latency 155 tok/s / 6071ms input / output No data | Gemini 3 Pro speed / latency N/A / N/A input / output No data |
|---|
Gemini 3 Flash gemini-3-flash-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 Flash gemini-3-flash-preview-nothinking speed / latency No data input / output $0.068/M / $0.411/M | Gemini 3 Pro gemini-3-pro-preview speed / latency No data input / output $0.0048/M / $0.0048/M |
Gemini 3 Flash gemini-3-flash-preview-c speed / latency No data input / output $0.0050/M / $0.0050/M | Gemini 3 Pro gemini-3-pro-preview speed / latency No data input / output $2.00/M / $12.00/M |
Gemini 3 Flash gemini-3-flash-preview speed / latency No data input / output $0.0050/M / $0.0050/M | Gemini 3 Pro gemini-3-pro-preview speed / latency No data input / output $0.050/M / $0.050/M |
Rankings are based on community-submitted tests and periodic health probes. Advisory only, not official data.
