# Gemini 2.5 Flash vs Olmo 3.1 32b Instruct

> Gemini 2.5 Flash and Olmo 3.1 32b Instruct score almost the same on the Noometry Index (39.0 vs 38.8), so choose on price, context window or the category you care about most.

- Canonical page: https://noometry.com/compare/gemini-2-5-flash-vs-olmo-3-1-32b-instruct
- Last updated: 2026-10-10
- Shared benchmarks: 16

## Summary

- They share 16 benchmarks with published results for both. Gemini 2.5 Flash scores higher in 6 categories and Olmo 3.1 32b Instruct in 2 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in multilingual, where Gemini 2.5 Flash leads 52.5 to 42.8.
- Olmo 3.1 32b Instruct has downloadable open weights; the other is API-only.

## Snapshot

| | Gemini 2.5 Flash | Olmo 3.1 32b Instruct |
|---|---|---|
| Provider | Google | Allen Institute for AI (Ai2) |
| Noometry Index | 39.0 | 38.8 |
| Rank | 162 | 168 |
| Context | 1.05M | — |
| Input $/M | $0.30 | — |
| Output $/M | $2.50 | — |
| Weights | Proprietary | Open |

## Coding

- Gemini 2.5 Flash: 35.5 (#210)
- Olmo 3.1 32b Instruct: 38.9 (#154)

| Benchmark | Gemini 2.5 Flash | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Coding | 1424 | 1346 |
| SWE-bench Verified (bash only) | 28.7% | — |
| Aider Polyglot | 55.1% | — |
| WeirdML | 41.9% | — |
| ALE-Bench | 661.88 | — |

## Agentic & Tool Use

- Gemini 2.5 Flash: 30.6 (#67)
- Olmo 3.1 32b Instruct: —

| Benchmark | Gemini 2.5 Flash | Olmo 3.1 32b Instruct |
|---|---|---|
| Terminal-Bench | 17.1% | — |
| Berkeley Function Calling Leaderboard | 56.2% | — |
| TheAgentCompany | 41.1% | — |
| BALROG | 33.5% | — |
| Vending-Bench 2 | 548.84 | — |

## Reasoning

- Gemini 2.5 Flash: 18.2 (#271)
- Olmo 3.1 32b Instruct: 25.4 (#131)

| Benchmark | Gemini 2.5 Flash | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Hard Prompts | 1422 | 1322 |
| ARC-AGI-2 | 2.5% | — |
| SimpleBench | 41.2% | — |
| Kagi LLM Benchmark | 56.8% | — |
| ARC-AGI-1 | 33.3% | — |
| CritPt | 1.1% | — |
| EnigmaEval | 2.7% | — |
| DTBench | 76.5% | — |
| LMCA | 27.5% | — |
| Epoch Capabilities Index | 143.04 | — |
| ForecastBench | 60.6 | — |

## Math

- Gemini 2.5 Flash: 38.1 (#87)
- Olmo 3.1 32b Instruct: 33.6 (#169)

| Benchmark | Gemini 2.5 Flash | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Math | 1415 | 1305 |
| OTIS Mock AIME 2024-2025 | 73.1% | — |
| Omni-MATH | 38.5% | — |
| FrontierMath (Feb 2025 set) | 4.8% | — |
| FrontierMath Tier 4 (v1) | 4.2% | — |

## Knowledge

- Gemini 2.5 Flash: 36.1 (#162)
- Olmo 3.1 32b Instruct: 35.4 (#175)

| Benchmark | Gemini 2.5 Flash | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Expert | 1426 | 1307 |
| Humanity's Last Exam | 12.1% | — |
| MMLU-Pro | 63.9% | — |
| Confabulations | 16.8% | — |
| Vectara Hallucination Rate | 7.8% | — |
| GPQA (HELM) | 39% | — |

## Multimodal

- Gemini 2.5 Flash: 41.2 (#31)
- Olmo 3.1 32b Instruct: —

| Benchmark | Gemini 2.5 Flash | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Vision | 1254 | — |
| GeoBench | 76% | — |
| VPCT | 46.2% | — |
| SpatialViz-Bench | 36.9% | — |

## Multilingual

- Gemini 2.5 Flash: 52.5 (#83)
- Olmo 3.1 32b Instruct: 42.8 (#185)

| Benchmark | Gemini 2.5 Flash | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Non-English | 1410 | 1275 |
| LMArena Chinese | 1450 | 1304 |
| LMArena French | 1433 | 1328 |
| LMArena German | 1419 | 1283 |
| LMArena Korean | 1385 | 1206 |
| LMArena Russian | 1415 | 1268 |
| LMArena Spanish | 1421 | 1337 |
| LMArena Japanese | 1403 | — |

## Instruction Following

- Gemini 2.5 Flash: 75.9 (#50)
- Olmo 3.1 32b Instruct: 68.8 (#182)

| Benchmark | Gemini 2.5 Flash | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Instruction Following | 1405 | 1298 |
| IFEval | 89.8% | — |

## Long Context

- Gemini 2.5 Flash: 47.5 (#16)
- Olmo 3.1 32b Instruct: 39.9 (#161)

| Benchmark | Gemini 2.5 Flash | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Longer Query | 1419 | 1312 |
| Fiction.LiveBench | 77.8% | — |

## Writing & Preference

- Gemini 2.5 Flash: 54.0 (#153)
- Olmo 3.1 32b Instruct: 50.4 (#179)

| Benchmark | Gemini 2.5 Flash | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Text | 1417 | 1311 |
| LMArena Creative Writing | 1400 | 1264 |
| LMArena Multi-Turn | 1408 | 1309 |
| Short-Story Creative Writing | 76.5% | — |
| EQ-Bench Creative Writing | 1137 | — |
| WildBench | 81.7% | — |

## FAQ

### Is Gemini 2.5 Flash better than Olmo 3.1 32b Instruct?

Gemini 2.5 Flash and Olmo 3.1 32b Instruct score almost the same on the Noometry Index (39.0 vs 38.8), so choose on price, context window or the category you care about most.

### Is Gemini 2.5 Flash or Olmo 3.1 32b Instruct better for coding?

Olmo 3.1 32b Instruct scores higher on coding benchmarks: 38.9 versus 35.5 in the Noometry coding category.

### How many benchmarks do Gemini 2.5 Flash and Olmo 3.1 32b Instruct share?

16 benchmarks have published results for both models. Gemini 2.5 Flash has 54 scored results on Noometry and Olmo 3.1 32b Instruct has 16.