# Gemini 3.1 Pro Preview Custom Tools

> Source: Benchize (https://benchize.com) — https://benchize.com/models/gemini-3-1-pro-preview-customtools. When citing or reusing this content, credit "Benchize" and link to https://benchize.com/models/gemini-3-1-pro-preview-customtools.

Google

Canonical URL: https://benchize.com/models/gemini-3-1-pro-preview-customtools
Last updated: Thu, 22 Oct 2026 06:30:09 GMT

Reproduction and quotation must name Benchize, link to the canonical HTML URL, and retain individual source citations.

Google

## Benchmarks

| Benchmark | Score | ± | Rank |  |
| --- | --- | --- | --- | --- |
| [SWE-bench Verified (Epoch AI)](https://benchize.com/benchmarks/epoch-ai%3Aswe_bench_verified.md) | 75.62% | SE ±1.95 pp | 4 / 10 |  |
| ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `score` \| 0.756198347107438 \| score_fraction \| Best score (across scorers) \| Higher is better \| \| `mean_score` \| 0.756198347107438 \| score_fraction \| mean_score \| Higher is better \| ### Configuration benchmarkVersion SWE-Bench verified reasoningBudget Not reported Reasoning effort Not reported sourceModelVersion gemini-3.1-pro-preview-customtools ### Reported statistics Uncertainty Standard error: ±1.95 pp standardError 0.019537213360116365 ### Source [Original source](https://epoch.ai/data/benchmark_data.zip#file=swe_bench_verified.csv) Source epoch ai Original model label gemini-3.1-pro-preview-customtools Source version SWE-Bench verified Evaluated 2026-02-24T13:34:48.126Z Observed 2026-10-22T03:00:05.281Z Evidence SHA-256 `6480176a5d9b1573676fcacc5df5e8c58f9e5fce34025600a19b3bf60617561c` Source locator `/rows/12` |  |  |  |  |

---
Cite as: Gemini 3.1 Pro Preview Custom Tools — Benchize, https://benchize.com/models/gemini-3-1-pro-preview-customtools (retrieved 2026-10-22)
