# Gemini 2.0 Pro vs Gemini 3.1 Flash Lite

> Gemini 3.1 Flash Lite is the stronger model overall, scoring 40.4 to 38.6 on the Noometry Index.

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

## Summary

- They share 3 benchmarks with published results for both. Gemini 2.0 Pro scores higher in 1 category and Gemini 3.1 Flash Lite in 6 categories; 5 gaps are clear of the uncertainty.
- The widest gap is in long context, where Gemini 3.1 Flash Lite leads 42.5 to 29.1.
- The biggest single-benchmark swing is GPQA Diamond: 65.7% for Gemini 2.0 Pro and 81.8% for Gemini 3.1 Flash Lite.

## Snapshot

| | Gemini 2.0 Pro | Gemini 3.1 Flash Lite |
|---|---|---|
| Provider | Google | Google |
| Noometry Index | 38.6 | 40.4 |
| Rank | 171 | 141 |
| Context | — | 1.05M |
| Input $/M | — | $0.25 |
| Output $/M | — | $1.50 |
| Weights | Proprietary | Proprietary |

## Coding

- Gemini 2.0 Pro: 37.4 (#182)
- Gemini 3.1 Flash Lite: 37.5 (#179)

| Benchmark | Gemini 2.0 Pro | Gemini 3.1 Flash Lite |
|---|---|---|
| Aider Polyglot | 35.6% | — |
| LMArena WebDev | — | 1256 |
| SciCode | — | 41.9% |
| WeirdML | — | 52.2% |
| LiveBench Coding | 63.5% | — |
| LMArena Coding | — | 1400 |
| ALE-Bench | — | 797.73 |

## Agentic & Tool Use

- Gemini 2.0 Pro: —
- Gemini 3.1 Flash Lite: 29.9 (#72)

| Benchmark | Gemini 2.0 Pro | Gemini 3.1 Flash Lite |
|---|---|---|
| DeepResearch Bench | — | 37.3% |

## Reasoning

- Gemini 2.0 Pro: 21.6 (#194)
- Gemini 3.1 Flash Lite: 22.3 (#181)

| Benchmark | Gemini 2.0 Pro | Gemini 3.1 Flash Lite |
|---|---|---|
| EnigmaEval | 0.7% | 3% |
| Epoch Capabilities Index | 135.06 | 144.45 |
| Kagi LLM Benchmark | — | 67.2% |
| NYT Connections (extended) | — | 8.2% |
| CritPt | — | 1.1% |
| Chess Puzzles | — | 25% |
| Thematic Generalization | — | 63.3% |
| LiveBench Reasoning | 60.1% | — |
| LMArena Hard Prompts | — | 1407 |
| DTBench | — | 76.8% |
| LiveBench Data Analysis | 68% | — |
| LMCA | — | 35% |
| ForecastBench | — | 54.4 |
| LiveBench | 65.1% | — |

## Math

- Gemini 2.0 Pro: 37.1 (#101)
- Gemini 3.1 Flash Lite: 39.5 (#82)

| Benchmark | Gemini 2.0 Pro | Gemini 3.1 Flash Lite |
|---|---|---|
| FrontierMath (Tiers 1-3) | — | 27.7% |
| OTIS Mock AIME 2024-2025 | — | 80% |
| LiveBench Math | 71% | — |
| LMArena Math | — | 1427 |
| MATH Level 5 | 83.5% | — |

## Knowledge

- Gemini 2.0 Pro: 36.5 (#156)
- Gemini 3.1 Flash Lite: 41.7 (#95)

| Benchmark | Gemini 2.0 Pro | Gemini 3.1 Flash Lite |
|---|---|---|
| GPQA Diamond | 65.7% | 81.8% |
| Humanity's Last Exam | — | 8.6% |
| Confabulations | 18.4% | — |
| Vectara Hallucination Rate | — | 8.2% |
| LMArena Expert | — | 1397 |

## Multimodal

- Gemini 2.0 Pro: —
- Gemini 3.1 Flash Lite: 38.7 (#57)

| Benchmark | Gemini 2.0 Pro | Gemini 3.1 Flash Lite |
|---|---|---|
| LMArena Vision | — | 1240 |

## Multilingual

- Gemini 2.0 Pro: —
- Gemini 3.1 Flash Lite: 52.5 (#82)

| Benchmark | Gemini 2.0 Pro | Gemini 3.1 Flash Lite |
|---|---|---|
| LMArena Non-English | — | 1410 |
| LMArena Chinese | — | 1461 |
| LMArena French | — | 1423 |
| LMArena German | — | 1429 |
| LMArena Japanese | — | 1411 |
| LMArena Korean | — | 1393 |
| LMArena Russian | — | 1420 |
| LMArena Spanish | — | 1420 |

## Instruction Following

- Gemini 2.0 Pro: 75.6 (#57)
- Gemini 3.1 Flash Lite: 72.9 (#126)

| Benchmark | Gemini 2.0 Pro | Gemini 3.1 Flash Lite |
|---|---|---|
| LiveBench Instruction Following | 83.4% | — |
| LMArena Instruction Following | — | 1376 |

## Long Context

- Gemini 2.0 Pro: 29.1 (#287)
- Gemini 3.1 Flash Lite: 42.5 (#117)

| Benchmark | Gemini 2.0 Pro | Gemini 3.1 Flash Lite |
|---|---|---|
| Fiction.LiveBench | 41.7% | — |
| LMArena Longer Query | — | 1394 |

## Writing & Preference

- Gemini 2.0 Pro: 52.7 (#164)
- Gemini 3.1 Flash Lite: 61.0 (#90)

| Benchmark | Gemini 2.0 Pro | Gemini 3.1 Flash Lite |
|---|---|---|
| LMArena Text | — | 1416 |
| LMArena Creative Writing | — | 1401 |
| LMArena Multi-Turn | — | 1417 |
| LiveBench Language | 44.9% | — |

## FAQ

### Is Gemini 2.0 Pro better than Gemini 3.1 Flash Lite?

Gemini 3.1 Flash Lite is the stronger model overall, scoring 40.4 to 38.6 on the Noometry Index.

### Is Gemini 2.0 Pro or Gemini 3.1 Flash Lite better for coding?

They score almost the same on coding (37.4 vs 37.5); test both on your own repository before choosing.

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

3 benchmarks have published results for both models. Gemini 2.0 Pro has 14 scored results on Noometry and Gemini 3.1 Flash Lite has 38.