Data points: 95
Model compare
The readout for Gemini 3.1 Flash Lite and Gemini 3 Flash, before the detailed comparison sheet.
Weighted outcome: Gemini 3 Flash. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.
Decision read
Gemini 3 Flash
Gemini 3 Flash has the higher weighted result; Model A / B score 40 to 60.
Evidence depth
95 data points
Includes 13 benchmark rows, 1 audit samples, and 8 provider examples.
Selection signal
Start with Gemini 3 Flash
The charts below split 22 high-signal samples across speed, scores, and audit health.
Switch either side of this report to compare another model with the same LMSpeed data pipeline.
Select a different model to open a new comparison URL.
This report only uses LMSpeed data for Gemini 3.1 Flash Lite and Gemini 3 Flash: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Model compare | Gemini 3.1 Flash Lite | Gemini 3 Flash |
|---|---|---|
| Overall leader | Contender | Leading |
| Weighted overall score | 40.0 pts | 60.0 pts |
| Benchmark category leads | 2 categories | 3 categories |
| Operational advantages | Average speed, First-token latency | Cheapest input price, Free providers, Provider coverage |
| Context window | 1.0M tokens | 1.0M tokens |
| Max output | 65.5K tokens | 65.5K tokens |
| Modalities | Input TextImagevideoFileAudio Output |
The overall result weights benchmark capability categories at 80% and price, API speed/latency, and availability at 20%. Recent test volume does not affect the winner, and missing benchmark categories are excluded.
| Model compare | Gemini 3.1 Flash Lite | Gemini 3 Flash |
|---|---|---|
| Developer | ||
| Released | May 2026 | Dec 2025 |
| Parameters | No data | No data |
| Tokenizer | Gemini | Gemini |
| Knowledge cutoff | No data | No data |
| OpenRouter ID | google/gemini-3.1-flash-lite | google/gemini-3-flash-preview |
| References | No data | No data |
This report only uses LMSpeed data for Gemini 3.1 Flash Lite and Gemini 3 Flash: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
Gemini 3.1 Flash Lite
Gemini 3.1 Flash Lite is stronger in benchmark categories (Reasoning, Instruction following) and operational dimensions (Average speed, First-token latency).
Gemini 3 Flash
Gemini 3 Flash is stronger in benchmark categories (Agents, Coding, Knowledge) and operational dimensions (Cheapest input price, Free providers, Provider coverage).
Third-party benchmark profile synced into LMSpeed; only metrics available for both models are shown.
Compare benchmark category scores on a 0-100 scale. Select a category to inspect the gap.
Avg. score
Gemini 3.1 Flash Lite
46.7
Avg. score
Gemini 3 Flash
50.1
Gemini 3 Flash leads by 0.4
Gemini 3 Flash leads by 13.1
Gemini 3.1 Flash Lite leads by 0.3
Metric-level scores with benchmark source, rank depth, confidence, error, and evaluation date where available.
Gemini 3.1 Flash Lite
55.0
Rank #47/84 · confidence 1 · eval date 2026-03-03
Gemini 3 Flash
winner57.0
Rank #38/84 · confidence 1 · eval date 2025-12-01
Gemini 3.1 Flash Lite
winner65.3
Rank #44/89 · confidence 1 · eval date 2026-03-03
Gemini 3 Flash
48.0
Rank #68/89 · confidence 1 · eval date 2025-12-01
Gemini 3.1 Flash Lite
1.1
Rank #54/73 · confidence 1 · eval date 2026-03-03
Gemini 3 Flash
winner1.4
Rank #50/73 · confidence 1 · eval date 2025-12-01
Gemini 3.1 Flash Lite
41.9
Rank #51/96 · confidence 1 · eval date 2026-03-03
Gemini 3 Flash
winner49.9
Rank #23/96 · confidence 1 · eval date 2025-12-01
Gemini 3.1 Flash Lite
81.6
Rank #34/90 · confidence 1 · eval date 2026-03-03
Gemini 3 Flash
winner90.2
Rank #11/90 · confidence 1 · eval date 2025-12-01
Gemini 3.1 Flash Lite
36.4
Rank #34/90 · confidence 1 · eval date 2026-03-03
Gemini 3 Flash
winner45.5
Rank #14/90 · confidence 1 · eval date 2025-12-01
Gemini 3.1 Flash Lite
winner82.2
Rank #55/96 · confidence 1 · eval date 2026-03-03
Gemini 3 Flash
81.2
Rank #59/96 · confidence 1 · eval date 2025-12-01
Gemini 3.1 Flash Lite
winner16.2
Rank #58/96 · confidence 1 · eval date 2026-03-03
Gemini 3 Flash
14.1
Rank #62/96 · confidence 1 · eval date 2025-12-01
Gemini 3.1 Flash Lite
25.0
Rank #65/99 · confidence 1 · eval date 2026-03-03
Gemini 3 Flash
winner27.4
Rank #62/99 · confidence 1 · eval date 2025-12-01
Gemini 3.1 Flash Lite
75.5
Rank #23/57 · confidence 1 · eval date 2026-03-03
Gemini 3 Flash
winner78.6
Rank #12/57 · confidence 1 · eval date 2025-12-01
Gemini 3.1 Flash Lite
winner77.2
Rank #9/86 · confidence 1 · eval date 2026-03-03
Gemini 3 Flash
55.1
Rank #56/86 · confidence 1 · eval date 2025-12-01
Gemini 3.1 Flash Lite
38.5
Rank #41/50 · confidence 1 · eval date 2026-03-03
Gemini 3 Flash
winner56.6
Rank #16/50 · confidence 1 · eval date 2025-12-01
Gemini 3.1 Flash Lite
31.3
Rank #73/84 · confidence 1 · eval date 2026-03-03
Gemini 3 Flash
winner43.3
Rank #70/84 · confidence 1 · eval date 2025-12-01
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | Gemini 3.1 Flash Lite | Gemini 3 Flash |
|---|---|---|
Winner: Gemini 3.1 Flash Lite | Gemini 3.1 Flash Lite gemini-3.1-flash-lite Audit score 89 1006886100 | Gemini 3 Flash gemini-3-flash-preview No audit yet |
Speed aggregates and input/output pricing share each provider row for real API selection and migration cost checks.
| Provider | Gemini 3.1 Flash Lite | Gemini 3 Flash |
|---|---|---|
30 tests | Gemini 3.1 Flash Lite speed / latency N/A / N/A input / output No data | Gemini 3 Flash speed / latency 129 tok/s / 10293ms input / output No data |
20 tests | Gemini 3.1 Flash Lite speed / latency N/A / N/A input / output No data | Gemini 3 Flash speed / latency 157 tok/s / 7994ms input / output No data |
20 tests | Gemini 3.1 Flash Lite speed / latency 218 tok/s / 4094ms input / output No data | Gemini 3 Flash speed / latency 287 tok/s / 4944ms input / output No data |
15 tests | Gemini 3.1 Flash Lite speed / latency 256 tok/s / 4450ms input / output No data | Gemini 3 Flash speed / latency 166 tok/s / 4340ms input / output No data |
10 tests | Gemini 3.1 Flash Lite speed / latency 201 tok/s / 6294ms input / output No data | Gemini 3 Flash speed / latency 158 tok/s / 5175ms input / output No data |
Gemini 3.1 Flash Lite gemini-3.1-flash-lite-preview speed / latency No data input / output $0/request | Gemini 3 Flash gemini-3-flash-preview speed / latency No data input / output $0.050/request | |
Gemini 3.1 Flash Lite gemini-3.1-flash-lite speed / latency No data input / output $0/M/$0/M | Gemini 3 Flash gemini-3-flash-preview speed / latency No data input / output $0/M | |
Gemini 3.1 Flash Lite gemini-3.1-flash-lite-preview speed / latency No data input / output $0/request | Gemini 3 Flash gemini-3-flash-preview-nothinking speed / latency No data input / output $0/request |
Weighted outcome: Gemini 3 Flash. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.
Input TextImageFileAudiovideo Output Text |
| Features | Text inputImage inputFile inputAudio inputText outputTool callingStructured outputsJSON modeReasoning | Text inputImage inputFile inputAudio inputText outputTool callingStructured outputsJSON modeReasoning |
|---|
Gemini 3 Flash leads by 3.0
Gemini 3 Flash
No data
Gemini 3.1 Flash Lite
Gemini 3.1 Flash Lite leads by 7.7
