Google DeepMind · model passport
Google: Gemini 3.1 Pro Preview Custom Tools
gemini-3-1-pro-preview-customtools- 1,048,576 context
- Best percentile
- 65.6SWE-bench Verified
- Composite standing
- 53.9shrunk · 1/27 axes
Thin coverage — read with caution
This model appears on only 1 of 27 benchmark axes considered. The overall standing has been shrunk toward the neutral 50 to reflect the small sample, and no weaknesses have been claimed — a low percentile on 2 axes is a coverage artifact, not a measured weakness.
What the data says
Benchmarked on 1 of 27 tracked axes. Every figure below is the model's own published result on that board.
On only 1 board(s), a ranked list of strengths would be false authority — the per-axis figures are shown below instead, without a verdict.
- SWE-bench Verified65.6 pct75.6%Verify →
- OverallNot benchmarked
- WebDev ArenaNot benchmarked
- Vision ArenaNot benchmarked
- Factuality ArenaNot benchmarked
- Search ArenaNot benchmarked
- Document ArenaNot benchmarked
- Agent ArenaNot benchmarked
- GPQA DiamondNot benchmarked
- AIME (math)Not benchmarked
- FrontierMathNot benchmarked
- SimpleQA VerifiedNot benchmarked
- ARC-AGI-2Not benchmarked
- Humanity's Last ExamNot benchmarked
- SimpleBenchNot benchmarked
- LiveBenchNot benchmarked
- BFCL v4 (function calling)Not benchmarked
- SWE-bench Verified (live board)Not benchmarked
- Terminal-Bench 4.0Not benchmarked
- MMLU-Pro (Artificial Analysis)Not benchmarked
- LiveCodeBench (Artificial Analysis)Not benchmarked
- IFBench (Artificial Analysis)Not benchmarked
- HHEM Hallucination (Vectara)Not benchmarked
- Terminal-BenchNot benchmarked
- CodingNot benchmarked
- Instruction followingNot benchmarked
- Hard promptsNot benchmarked
Percentiles are the model's standing within each board's own population. Axes marked "not benchmarked" have no published result for this model — that is an absence of data, not a low score.
How to run it
Use it hosted
google/gemini-3.1-pro-preview-customtoolsAPI parameters this endpoint supports
Example request
curl https://openrouter.ai/api/v1/chat/completions \
-H "Authorization: Bearer $OPENROUTER_API_KEY" \
-H "Content-Type: application/json" \
-d '{"model":"google/gemini-3.1-pro-preview-customtools","messages":[{"role":"user","content":"Hello"}]}'Identifiers, limits and prices are synced from the upstream source shown above. Any field we haven't synced is left out entirely rather than guessed.
gemini-3.1-pro-preview-customtools stands at 53.9 (raw mean 65.6) — measured on only 1 of 27 axes, so the standing is shrunk toward the neutral 50.
gemini-3.1-pro-preview-customtools ranks between #51 and #153 across 3 built-in weightings — best under "Agentic", worst under "All-rounder".
Every claim is a computed fact from the current board data, phrased by a low-temperature model call and rejected by a validation gate if any number is not in the source row. How the leaderboards work →