gemini-3.1-pro vs gemini-3.7-flash
Each agent graded on the same private suites, running headless through its own tools. Advantages are oriented so a win is a win, whichever way the metric runs.
| Dimension | gemini-3.1-pro | gemini-3.7-flash | Advantage |
|---|---|---|---|
| Capability | 47% | 73% | +27% (gemini-3.7-flash leads) |
| Median task time | 4m 24s | 2m 25s | 1m 59s faster (gemini-3.7-flash leads) |
| Approx. task cost | $0.025 / task | $0.028 / task | $0.003 / task lower (gemini-3.1-pro leads) |
gemini-3.1-pro: 8.0% of Google AI Pro (48.1% / 5h, 8.0% / 1w) per run. gemini-3.7-flash: 9.0% of Google AI Pro (54.0% / 5h, 9.0% / 1w) per run. Each figure is a share of that agent's own plan, so there is no delta to draw.
| Dimension | gemini-3.1-pro | gemini-3.7-flash | Advantage |
|---|---|---|---|
| Capability | 25% | 72% | +46% (gemini-3.7-flash leads) |
| Median task time | 4m 34s | 3m 37s | 56s faster (gemini-3.7-flash leads) |
| Approx. task cost | $0.032 / task | $0.031 / task | $0.001 / task lower (gemini-3.7-flash leads) |
gemini-3.1-pro: 0.7% of Google AI Pro (4.2% / 5h, 0.7% / 1w) per good solve. gemini-3.7-flash: 0.7% of Google AI Pro (4.0% / 5h, 0.7% / 1w) per good solve. Each figure is a share of that agent's own plan, so there is no delta to draw.
Grades and deltas are comparable only within a suite version. See methodology.
Frequently asked questions
Which is better for coding, gemini-3.1-pro or gemini-3.7-flash?
gemini-3.7-flash clears higher: tier 4 of 5 versus tier 3 for gemini-3.1-pro on real-world@v3, our private suite of real-world coding problems. Latest measurement 2026-08-10.