# Gemini 3.1 Pro Preview vs Olmo 3.1 32b Instruct

> Gemini 3.1 Pro Preview is the stronger model overall, scoring 56.7 to 39.4 on the Noometry Index.

- Canonical page: https://noometry.com/compare/gemini-3-1-pro-preview-vs-olmo-3-1-32b-instruct
- Last updated: 2026-10-12
- Shared benchmarks: 16

## Summary

- They share 16 benchmarks with published results for both. Gemini 3.1 Pro Preview scores higher in 8 categories and Olmo 3.1 32b Instruct in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Gemini 3.1 Pro Preview leads 71.7 to 26.4.
- Olmo 3.1 32b Instruct has downloadable open weights; the other is API-only.

## Snapshot

| | Gemini 3.1 Pro Preview | Olmo 3.1 32b Instruct |
|---|---|---|
| Provider | Google | Allen Institute for AI (Ai2) |
| Noometry Index | 56.7 | 39.4 |
| Rank | 23 | 168 |
| Context | 1.05M | — |
| Input $/M | $2 | — |
| Output $/M | $12 | — |
| Weights | Proprietary | Open |

## Coding

- Gemini 3.1 Pro Preview: 42.5 (#99)
- Olmo 3.1 32b Instruct: 39.5 (#157)

| Benchmark | Gemini 3.1 Pro Preview | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Coding | 1484 | 1347 |
| SWE-bench Verified | 75.6% | — |
| DeepSWE | 11.7% | — |
| LMArena WebDev | 1447 | — |
| SciCode | 58.9% | — |
| GSO | 22.6% | — |
| WeirdML | 72.1% | — |
| MirrorCode | 8.9% | — |
| ALE-Bench | 1,161 | — |
| AlgoTune | 2.02 | — |

## Agentic & Tool Use

- Gemini 3.1 Pro Preview: 37.7 (#34)
- Olmo 3.1 32b Instruct: —

| Benchmark | Gemini 3.1 Pro Preview | Olmo 3.1 32b Instruct |
|---|---|---|
| Terminal-Bench | 80.2% | — |
| APEX-Agents | 35.3% | — |
| τ²-bench Banking | 26% | — |
| DeepResearch Bench | 47.8% | — |
| PostTrainBench | 22% | — |
| BALROG | 57% | — |
| ExploitBench | 26.1% | — |
| GBAEval | 0.8% | — |
| GDP.pdf | 17% | — |
| LMArena Search | 1211 | — |
| METR Time Horizons | 77% | — |
| Vending-Bench 2 | 3,774 | — |

## Reasoning

- Gemini 3.1 Pro Preview: 71.7 (#12)
- Olmo 3.1 32b Instruct: 26.4 (#132)

| Benchmark | Gemini 3.1 Pro Preview | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Hard Prompts | 1485 | 1322 |
| ARC-AGI-2 | 77.1% | — |
| SimpleBench | 79.6% | — |
| NYT Connections (extended) | 97.4% | — |
| ARC-AGI-1 | 98% | — |
| CritPt | 17.7% | — |
| Chess Puzzles | 55% | — |
| EnigmaEval | 36.8% | — |
| Thematic Generalization | 79.4% | — |
| EBR-Bench | 14.3% | — |
| Mystery Game Puzzles | 34% | — |
| DTBench | 97.1% | — |
| LMCA | 53.8% | — |
| Epoch Capabilities Index | 154.77 | — |
| ForecastBench | 59 | — |

## Math

- Gemini 3.1 Pro Preview: 62.1 (#34)
- Olmo 3.1 32b Instruct: 36.3 (#167)

| Benchmark | Gemini 3.1 Pro Preview | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Math | 1485 | 1305 |
| FrontierMath (Tiers 1-3) | 59.6% | — |
| FrontierMath Tier 4 | 26.8% | — |
| MathArena Final-Answer Competitions | 86.5% | — |
| OTIS Mock AIME 2024-2025 | 95.6% | — |
| ProofBench | 26% | — |
| FrontierMath (Feb 2025 set) | 36.9% | — |
| FrontierMath Tier 4 (v1) | 16.7% | — |

## Knowledge

- Gemini 3.1 Pro Preview: 71.8 (#3)
- Olmo 3.1 32b Instruct: 36.1 (#175)

| Benchmark | Gemini 3.1 Pro Preview | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Expert | 1485 | 1308 |
| GPQA Diamond | 94.4% | — |
| Humanity's Last Exam | 46.4% | — |
| SimpleQA Verified | 73.5% | — |
| Vectara Hallucination Rate | 10.4% | — |

## Multimodal

- Gemini 3.1 Pro Preview: 37.9 (#69)
- Olmo 3.1 32b Instruct: —

| Benchmark | Gemini 3.1 Pro Preview | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Vision | 1296 | — |
| Blueprint-Bench 2 | 26.5% | — |
| Furniture Assembly | 26.7% | — |
| LMArena Document | 1444 | — |

## Multilingual

- Gemini 3.1 Pro Preview: 57.0 (#12)
- Olmo 3.1 32b Instruct: 42.6 (#191)

| Benchmark | Gemini 3.1 Pro Preview | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Non-English | 1477 | 1275 |
| LMArena Chinese | 1529 | 1304 |
| LMArena French | 1487 | 1328 |
| LMArena German | 1491 | 1282 |
| LMArena Korean | 1455 | 1206 |
| LMArena Russian | 1498 | 1268 |
| LMArena Spanish | 1479 | 1336 |
| LMArena Japanese | 1493 | — |

## Instruction Following

- Gemini 3.1 Pro Preview: 77.0 (#32)
- Olmo 3.1 32b Instruct: 68.6 (#187)

| Benchmark | Gemini 3.1 Pro Preview | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Instruction Following | 1466 | 1299 |

## Long Context

- Gemini 3.1 Pro Preview: 47.4 (#18)
- Olmo 3.1 32b Instruct: 39.9 (#166)

| Benchmark | Gemini 3.1 Pro Preview | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Longer Query | 1483 | 1312 |
| CL-bench | 20.8% | — |
| CL-bench Life | 16.9% | — |

## Writing & Preference

- Gemini 3.1 Pro Preview: 66.1 (#37)
- Olmo 3.1 32b Instruct: 50.2 (#185)

| Benchmark | Gemini 3.1 Pro Preview | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Text | 1481 | 1311 |
| LMArena Creative Writing | 1482 | 1264 |
| LMArena Multi-Turn | 1488 | 1309 |
| EQ-Bench Creative Writing | 1491 | — |
| EQ-Bench 4 | 1142 | — |

## FAQ

### Is Gemini 3.1 Pro Preview better than Olmo 3.1 32b Instruct?

Gemini 3.1 Pro Preview is the stronger model overall, scoring 56.7 to 39.4 on the Noometry Index.

### Is Gemini 3.1 Pro Preview or Olmo 3.1 32b Instruct better for coding?

Gemini 3.1 Pro Preview scores higher on coding benchmarks: 42.5 versus 39.5 in the Noometry coding category.

### How many benchmarks do Gemini 3.1 Pro Preview and Olmo 3.1 32b Instruct share?

16 benchmarks have published results for both models. Gemini 3.1 Pro Preview has 71 scored results on Noometry and Olmo 3.1 32b Instruct has 16.