Data points: 38
Model compare
The readout for Gemini 2.5 Pro 1M 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 33.3 to 66.7.
Evidence depth
38 data points
Includes 0 benchmark rows, 0 audit samples, and 5 provider examples.
Selection signal
Start with Gemini 3 Flash
The charts below split 5 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 2.5 Pro 1M and Gemini 3 Flash: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Model compare | Gemini 2.5 Pro 1M | Gemini 3 Flash |
|---|---|---|
| Overall leader | Contender | Leading |
| Weighted overall score | 33.3 pts | 66.7 pts |
| Benchmark category leads | 0 categories | 0 categories |
| Operational advantages | Cheapest input price | Free providers, Provider coverage |
| Context window | No data | 1.0M tokens |
| Max output | No data | 65.5K tokens |
| Modalities | No data | Input TextImageFileAudiovideo |
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 2.5 Pro 1M | Gemini 3 Flash |
|---|---|---|
| Developer | ||
| Released | No data | Dec 2025 |
| Parameters | No data | No data |
| Tokenizer | No data | Gemini |
| Knowledge cutoff | No data | No data |
| OpenRouter ID | No data | google/gemini-3-flash-preview |
| References | No data | No data |
This report only uses LMSpeed data for Gemini 2.5 Pro 1M and Gemini 3 Flash: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
Gemini 2.5 Pro 1M
Gemini 2.5 Pro 1M has these operational advantages: Cheapest input price.
Gemini 3 Flash
Gemini 3 Flash has these operational advantages: 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 2.5 Pro 1M
-
Avg. score
Gemini 3 Flash
50.2
Gemini 3 Flash
Gemini 3 Flash
Gemini 3 Flash
Gemini 3 Flash
Gemini 3 Flash
No data
No data
Gemini 3 Flash
Metric-level scores with benchmark source, rank depth, confidence, error, and evaluation date where available.
No shared professional benchmark scores are available yet.
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | Gemini 2.5 Pro 1M | Gemini 3 Flash |
|---|---|---|
| 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 2.5 Pro 1M | Gemini 3 Flash |
|---|---|---|
10 tests | Gemini 2.5 Pro 1M speed / latency N/A / N/A input / output No data | Gemini 3 Flash speed / latency 155 tok/s / 6071ms input / output No data |
0 tests | Gemini 2.5 Pro 1M speed / latency N/A / N/A input / output No data | Gemini 3 Flash speed / latency N/A / N/A input / output No data |
0 tests | Gemini 2.5 Pro 1M speed / latency N/A / N/A input / output No data | Gemini 3 Flash speed / latency N/A / N/A input / output No data |
0 tests | Gemini 2.5 Pro 1M speed / latency N/A / N/A input / output No data | Gemini 3 Flash speed / latency N/A / N/A input / output No data |
0 tests | Gemini 2.5 Pro 1M gemini-2.5-pro-1m speed / latency N/A / N/A input / output $100.00/request | Gemini 3 Flash gemini-3-flash-preview speed / latency N/A / N/A input / output $75.00/M |
Weighted outcome: Gemini 3 Flash. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.
Output
| Features | None listed | Text inputImage inputFile inputAudio inputText outputTool callingStructured outputsJSON modeReasoning |
|---|
