# Gemini 1.0 Pro vs Gemini 3.1 Flash Lite

> Gemini 3.1 Flash Lite is the stronger model overall, scoring 40.4 to 27.1 on the Noometry Index.

- Canonical page: https://noometry.com/compare/gemini-1-0-pro-vs-gemini-3-1-flash-lite
- 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 Flash Lite in 8 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in math, where Gemini 3.1 Flash Lite leads 39.5 to 8.7.
- The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 1.1% for Gemini 1.0 Pro and 80% for Gemini 3.1 Flash Lite.

## Snapshot

| | Gemini 1.0 Pro | Gemini 3.1 Flash Lite |
|---|---|---|
| Provider | Google | Google |
| Noometry Index | 27.1 | 40.4 |
| Rank | 327 | 141 |
| Context | — | 1.05M |
| Input $/M | — | $0.25 |
| Output $/M | — | $1.50 |
| Weights | Proprietary | Proprietary |

## Coding

- Gemini 1.0 Pro: 31.6 (#270)
- Gemini 3.1 Flash Lite: 37.5 (#179)

| Benchmark | Gemini 1.0 Pro | Gemini 3.1 Flash Lite |
|---|---|---|
| LMArena Coding | 1108 | 1400 |
| LMArena WebDev | — | 1256 |
| SciCode | — | 41.9% |
| WeirdML | — | 52.2% |
| ALE-Bench | — | 797.73 |
| HumanEval+ | 55.5% | — |
| MBPP+ | 61.4% | — |

## Agentic & Tool Use

- Gemini 1.0 Pro: —
- Gemini 3.1 Flash Lite: 29.9 (#72)

| Benchmark | Gemini 1.0 Pro | Gemini 3.1 Flash Lite |
|---|---|---|
| DeepResearch Bench | — | 37.3% |

## Reasoning

- Gemini 1.0 Pro: 16.4 (#292)
- Gemini 3.1 Flash Lite: 22.3 (#181)

| Benchmark | Gemini 1.0 Pro | Gemini 3.1 Flash Lite |
|---|---|---|
| LMArena Hard Prompts | 1109 | 1407 |
| DTBench | 45.9% | 76.8% |
| Epoch Capabilities Index | 116.97 | 144.45 |
| Kagi LLM Benchmark | — | 67.2% |
| NYT Connections (extended) | — | 8.2% |
| CritPt | — | 1.1% |
| Chess Puzzles | — | 25% |
| EnigmaEval | — | 3% |
| Thematic Generalization | — | 63.3% |
| LMCA | — | 35% |
| ForecastBench | — | 54.4 |

## Math

- Gemini 1.0 Pro: 8.7 (#315)
- Gemini 3.1 Flash Lite: 39.5 (#82)

| Benchmark | Gemini 1.0 Pro | Gemini 3.1 Flash Lite |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 1.1% | 80% |
| LMArena Math | 1132 | 1427 |
| FrontierMath (Tiers 1-3) | — | 27.7% |
| MATH Level 5 | 11.2% | — |

## Knowledge

- Gemini 1.0 Pro: 15.5 (#286)
- Gemini 3.1 Flash Lite: 41.7 (#95)

| Benchmark | Gemini 1.0 Pro | Gemini 3.1 Flash Lite |
|---|---|---|
| GPQA Diamond | 34% | 81.8% |
| LMArena Expert | 1059 | 1397 |
| Humanity's Last Exam | — | 8.6% |
| Vectara Hallucination Rate | — | 8.2% |
| MMLU | 70% | — |

## Multimodal

- Gemini 1.0 Pro: —
- Gemini 3.1 Flash Lite: 38.7 (#57)

| Benchmark | Gemini 1.0 Pro | Gemini 3.1 Flash Lite |
|---|---|---|
| LMArena Vision | — | 1240 |

## Multilingual

- Gemini 1.0 Pro: 33.5 (#247)
- Gemini 3.1 Flash Lite: 52.5 (#82)

| Benchmark | Gemini 1.0 Pro | Gemini 3.1 Flash Lite |
|---|---|---|
| LMArena Non-English | 1138 | 1410 |
| LMArena Chinese | 1124 | 1461 |
| LMArena French | 1144 | 1423 |
| LMArena German | 1125 | 1429 |
| LMArena Japanese | 1023 | 1411 |
| LMArena Russian | 1186 | 1420 |
| LMArena Spanish | 1118 | 1420 |
| LMArena Korean | — | 1393 |

## Instruction Following

- Gemini 1.0 Pro: 57.9 (#262)
- Gemini 3.1 Flash Lite: 72.9 (#126)

| Benchmark | Gemini 1.0 Pro | Gemini 3.1 Flash Lite |
|---|---|---|
| LMArena Instruction Following | 1114 | 1376 |

## Long Context

- Gemini 1.0 Pro: 34.3 (#244)
- Gemini 3.1 Flash Lite: 42.5 (#117)

| Benchmark | Gemini 1.0 Pro | Gemini 3.1 Flash Lite |
|---|---|---|
| LMArena Longer Query | 1132 | 1394 |

## Writing & Preference

- Gemini 1.0 Pro: 36.2 (#259)
- Gemini 3.1 Flash Lite: 61.0 (#90)

| Benchmark | Gemini 1.0 Pro | Gemini 3.1 Flash Lite |
|---|---|---|
| LMArena Text | 1149 | 1416 |
| LMArena Creative Writing | 1130 | 1401 |
| LMArena Multi-Turn | 1139 | 1417 |

## FAQ

### Is Gemini 1.0 Pro better than Gemini 3.1 Flash Lite?

Gemini 3.1 Flash Lite is the stronger model overall, scoring 40.4 to 27.1 on the Noometry Index.

### Is Gemini 1.0 Pro or Gemini 3.1 Flash Lite better for coding?

Gemini 3.1 Flash Lite scores higher on coding benchmarks: 37.5 versus 31.6 in the Noometry coding category.

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

20 benchmarks have published results for both models. Gemini 1.0 Pro has 24 scored results on Noometry and Gemini 3.1 Flash Lite has 38.