# Gemini 1.0 Pro vs Gemini 3.1 Pro Preview

> Gemini 3.1 Pro Preview is the stronger model overall, scoring 56.7 to 27.1 on the Noometry Index.

- Canonical page: https://noometry.com/compare/gemini-1-0-pro-vs-gemini-3-1-pro-preview
- Last updated: 2026-10-10
- Shared benchmarks: 20

## Summary

- They share 20 benchmarks with published results for both. Gemini 1.0 Pro scores higher in 0 categories and Gemini 3.1 Pro Preview in 8 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Gemini 3.1 Pro Preview leads 71.8 to 15.5.
- The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 1.1% for Gemini 1.0 Pro and 95.6% for Gemini 3.1 Pro Preview.

## Snapshot

| | Gemini 1.0 Pro | Gemini 3.1 Pro Preview |
|---|---|---|
| Provider | Google | Google |
| Noometry Index | 27.1 | 56.7 |
| Rank | 327 | 20 |
| Context | — | 1.05M |
| Input $/M | — | $2 |
| Output $/M | — | $12 |
| Weights | Proprietary | Proprietary |

## Coding

- Gemini 1.0 Pro: 31.6 (#270)
- Gemini 3.1 Pro Preview: 42.7 (#88)

| Benchmark | Gemini 1.0 Pro | Gemini 3.1 Pro Preview |
|---|---|---|
| LMArena Coding | 1108 | 1483 |
| SWE-bench Verified | — | 75.6% |
| DeepSWE | — | 11.7% |
| LMArena WebDev | — | 1446 |
| SciCode | — | 58.9% |
| GSO | — | 22.6% |
| WeirdML | — | 72.1% |
| MirrorCode | — | 8.9% |
| ALE-Bench | — | 1,161 |
| AlgoTune | — | 2.02 |
| HumanEval+ | 55.5% | — |
| MBPP+ | 61.4% | — |

## Agentic & Tool Use

- Gemini 1.0 Pro: —
- Gemini 3.1 Pro Preview: 37.7 (#33)

| Benchmark | Gemini 1.0 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 1.0 Pro: 16.4 (#292)
- Gemini 3.1 Pro Preview: 71.7 (#9)

| Benchmark | Gemini 1.0 Pro | Gemini 3.1 Pro Preview |
|---|---|---|
| LMArena Hard Prompts | 1109 | 1484 |
| DTBench | 45.9% | 97.1% |
| Epoch Capabilities Index | 116.97 | 154.92 |
| 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% |
| LMCA | — | 53.8% |
| ForecastBench | — | 59 |

## Math

- Gemini 1.0 Pro: 8.7 (#315)
- Gemini 3.1 Pro Preview: 61.8 (#28)

| Benchmark | Gemini 1.0 Pro | Gemini 3.1 Pro Preview |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 1.1% | 95.6% |
| LMArena Math | 1132 | 1485 |
| FrontierMath (Tiers 1-3) | — | 59.6% |
| FrontierMath Tier 4 | — | 26.8% |
| MathArena Final-Answer Competitions | — | 86.5% |
| ProofBench | — | 26% |
| MATH Level 5 | 11.2% | — |
| FrontierMath (Feb 2025 set) | — | 36.9% |
| FrontierMath Tier 4 (v1) | — | 16.7% |

## Knowledge

- Gemini 1.0 Pro: 15.5 (#286)
- Gemini 3.1 Pro Preview: 71.8 (#3)

| Benchmark | Gemini 1.0 Pro | Gemini 3.1 Pro Preview |
|---|---|---|
| GPQA Diamond | 34% | 94.4% |
| LMArena Expert | 1059 | 1484 |
| Humanity's Last Exam | — | 46.4% |
| SimpleQA Verified | — | 73.5% |
| Vectara Hallucination Rate | — | 10.4% |
| MMLU | 70% | — |

## Multimodal

- Gemini 1.0 Pro: —
- Gemini 3.1 Pro Preview: 38.1 (#60)

| Benchmark | Gemini 1.0 Pro | Gemini 3.1 Pro Preview |
|---|---|---|
| LMArena Vision | — | 1296 |
| Blueprint-Bench 2 | — | 26.5% |
| Furniture Assembly | — | 26.7% |
| LMArena Document | — | 1444 |

## Multilingual

- Gemini 1.0 Pro: 33.5 (#247)
- Gemini 3.1 Pro Preview: 57.1 (#11)

| Benchmark | Gemini 1.0 Pro | Gemini 3.1 Pro Preview |
|---|---|---|
| LMArena Non-English | 1138 | 1475 |
| LMArena Chinese | 1124 | 1528 |
| LMArena French | 1144 | 1488 |
| LMArena German | 1125 | 1491 |
| LMArena Japanese | 1023 | 1494 |
| LMArena Russian | 1186 | 1496 |
| LMArena Spanish | 1118 | 1480 |
| LMArena Korean | — | 1458 |

## Instruction Following

- Gemini 1.0 Pro: 57.9 (#262)
- Gemini 3.1 Pro Preview: 77.1 (#31)

| Benchmark | Gemini 1.0 Pro | Gemini 3.1 Pro Preview |
|---|---|---|
| LMArena Instruction Following | 1114 | 1465 |

## Long Context

- Gemini 1.0 Pro: 34.3 (#244)
- Gemini 3.1 Pro Preview: 47.3 (#17)

| Benchmark | Gemini 1.0 Pro | Gemini 3.1 Pro Preview |
|---|---|---|
| LMArena Longer Query | 1132 | 1482 |
| CL-bench | — | 20.8% |
| CL-bench Life | — | 16.9% |

## Writing & Preference

- Gemini 1.0 Pro: 36.2 (#259)
- Gemini 3.1 Pro Preview: 66.3 (#36)

| Benchmark | Gemini 1.0 Pro | Gemini 3.1 Pro Preview |
|---|---|---|
| LMArena Text | 1149 | 1480 |
| LMArena Creative Writing | 1130 | 1482 |
| LMArena Multi-Turn | 1139 | 1486 |
| EQ-Bench Creative Writing | — | 1491 |
| EQ-Bench 4 | — | 1142 |

## FAQ

### Is Gemini 1.0 Pro better than Gemini 3.1 Pro Preview?

Gemini 3.1 Pro Preview is the stronger model overall, scoring 56.7 to 27.1 on the Noometry Index.

### Is Gemini 1.0 Pro or Gemini 3.1 Pro Preview better for coding?

Gemini 3.1 Pro Preview scores higher on coding benchmarks: 42.7 versus 31.6 in the Noometry coding category.

### How many benchmarks do Gemini 1.0 Pro and Gemini 3.1 Pro Preview share?

20 benchmarks have published results for both models. Gemini 1.0 Pro has 24 scored results on Noometry and Gemini 3.1 Pro Preview has 71.