# Gemini 2.0 Pro vs Gemini 3.1 Pro Preview

> Gemini 3.1 Pro Preview is the stronger model overall, scoring 56.7 to 39.1 on the Noometry Index.

- Canonical page: https://noometry.com/compare/gemini-2-0-pro-vs-gemini-3-1-pro-preview
- Last updated: 2026-10-12
- Shared benchmarks: 3

## Summary

- They share 3 benchmarks with published results for both. Gemini 2.0 Pro scores higher in 0 categories and Gemini 3.1 Pro Preview in 7 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Gemini 3.1 Pro Preview leads 71.7 to 22.3.
- The biggest single-benchmark swing is EnigmaEval: 0.7% for Gemini 2.0 Pro and 36.8% for Gemini 3.1 Pro Preview.

## Snapshot

| | Gemini 2.0 Pro | Gemini 3.1 Pro Preview |
|---|---|---|
| Provider | Google | Google |
| Noometry Index | 39.1 | 56.7 |
| Rank | 173 | 23 |
| Context | — | 1.05M |
| Input $/M | — | $2 |
| Output $/M | — | $12 |
| Weights | Proprietary | Proprietary |

## Coding

- Gemini 2.0 Pro: 37.8 (#187)
- Gemini 3.1 Pro Preview: 42.5 (#99)

| Benchmark | Gemini 2.0 Pro | Gemini 3.1 Pro Preview |
|---|---|---|
| SWE-bench Verified | — | 75.6% |
| DeepSWE | — | 11.7% |
| Aider Polyglot | 35.6% | — |
| LMArena WebDev | — | 1447 |
| SciCode | — | 58.9% |
| GSO | — | 22.6% |
| WeirdML | — | 72.1% |
| LiveBench Coding | 63.5% | — |
| LMArena Coding | — | 1484 |
| MirrorCode | — | 8.9% |
| ALE-Bench | — | 1,161 |
| AlgoTune | — | 2.02 |

## Agentic & Tool Use

- Gemini 2.0 Pro: —
- Gemini 3.1 Pro Preview: 37.7 (#34)

| Benchmark | Gemini 2.0 Pro | Gemini 3.1 Pro Preview |
|---|---|---|
| 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 2.0 Pro: 22.3 (#198)
- Gemini 3.1 Pro Preview: 71.7 (#12)

| Benchmark | Gemini 2.0 Pro | Gemini 3.1 Pro Preview |
|---|---|---|
| EnigmaEval | 0.7% | 36.8% |
| Epoch Capabilities Index | 135.06 | 154.77 |
| ARC-AGI-2 | — | 77.1% |
| SimpleBench | — | 79.6% |
| NYT Connections (extended) | — | 97.4% |
| ARC-AGI-1 | — | 98% |
| CritPt | — | 17.7% |
| Chess Puzzles | — | 55% |
| Thematic Generalization | — | 79.4% |
| EBR-Bench | — | 14.3% |
| LiveBench Reasoning | 60.1% | — |
| LMArena Hard Prompts | — | 1485 |
| Mystery Game Puzzles | — | 34% |
| DTBench | — | 97.1% |
| LiveBench Data Analysis | 68% | — |
| LMCA | — | 53.8% |
| ForecastBench | — | 59 |
| LiveBench | 65.1% | — |

## Math

- Gemini 2.0 Pro: 39.7 (#100)
- Gemini 3.1 Pro Preview: 62.1 (#34)

| Benchmark | Gemini 2.0 Pro | Gemini 3.1 Pro Preview |
|---|---|---|
| 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% |
| LiveBench Math | 71% | — |
| LMArena Math | — | 1485 |
| MATH Level 5 | 83.5% | — |
| FrontierMath (Feb 2025 set) | — | 36.9% |
| FrontierMath Tier 4 (v1) | — | 16.7% |

## Knowledge

- Gemini 2.0 Pro: 36.5 (#167)
- Gemini 3.1 Pro Preview: 71.8 (#3)

| Benchmark | Gemini 2.0 Pro | Gemini 3.1 Pro Preview |
|---|---|---|
| GPQA Diamond | 65.7% | 94.4% |
| Humanity's Last Exam | — | 46.4% |
| SimpleQA Verified | — | 73.5% |
| Confabulations | 18.4% | — |
| Vectara Hallucination Rate | — | 10.4% |
| LMArena Expert | — | 1485 |

## Multimodal

- Gemini 2.0 Pro: —
- Gemini 3.1 Pro Preview: 37.9 (#69)

| Benchmark | Gemini 2.0 Pro | Gemini 3.1 Pro Preview |
|---|---|---|
| LMArena Vision | — | 1296 |
| Blueprint-Bench 2 | — | 26.5% |
| Furniture Assembly | — | 26.7% |
| LMArena Document | — | 1444 |

## Multilingual

- Gemini 2.0 Pro: —
- Gemini 3.1 Pro Preview: 57.0 (#12)

| Benchmark | Gemini 2.0 Pro | Gemini 3.1 Pro Preview |
|---|---|---|
| LMArena Non-English | — | 1477 |
| LMArena Chinese | — | 1529 |
| LMArena French | — | 1487 |
| LMArena German | — | 1491 |
| LMArena Japanese | — | 1493 |
| LMArena Korean | — | 1455 |
| LMArena Russian | — | 1498 |
| LMArena Spanish | — | 1479 |

## Instruction Following

- Gemini 2.0 Pro: 75.5 (#59)
- Gemini 3.1 Pro Preview: 77.0 (#32)

| Benchmark | Gemini 2.0 Pro | Gemini 3.1 Pro Preview |
|---|---|---|
| LiveBench Instruction Following | 83.4% | — |
| LMArena Instruction Following | — | 1466 |

## Long Context

- Gemini 2.0 Pro: 29.2 (#292)
- Gemini 3.1 Pro Preview: 47.4 (#18)

| Benchmark | Gemini 2.0 Pro | Gemini 3.1 Pro Preview |
|---|---|---|
| Fiction.LiveBench | 41.7% | — |
| CL-bench | — | 20.8% |
| CL-bench Life | — | 16.9% |
| LMArena Longer Query | — | 1483 |

## Writing & Preference

- Gemini 2.0 Pro: 52.7 (#165)
- Gemini 3.1 Pro Preview: 66.1 (#37)

| Benchmark | Gemini 2.0 Pro | Gemini 3.1 Pro Preview |
|---|---|---|
| LMArena Text | — | 1481 |
| LMArena Creative Writing | — | 1482 |
| EQ-Bench Creative Writing | — | 1491 |
| EQ-Bench 4 | — | 1142 |
| LMArena Multi-Turn | — | 1488 |
| LiveBench Language | 44.9% | — |

## FAQ

### Is Gemini 2.0 Pro better than Gemini 3.1 Pro Preview?

Gemini 3.1 Pro Preview is the stronger model overall, scoring 56.7 to 39.1 on the Noometry Index.

### Is Gemini 2.0 Pro or Gemini 3.1 Pro Preview better for coding?

Gemini 3.1 Pro Preview scores higher on coding benchmarks: 42.5 versus 37.8 in the Noometry coding category.

### How many benchmarks do Gemini 2.0 Pro and Gemini 3.1 Pro Preview share?

3 benchmarks have published results for both models. Gemini 2.0 Pro has 14 scored results on Noometry and Gemini 3.1 Pro Preview has 71.