# Gemini 1.5 Flash 8B vs Gemini 2.0 Pro

> Gemini 2.0 Pro is the stronger model overall, scoring 39.1 to 29.9 on the Noometry Index.

- Canonical page: https://noometry.com/compare/gemini-1-5-flash-8b-vs-gemini-2-0-pro
- Last updated: 2026-10-12
- Shared benchmarks: 1

## Summary

- They share 1 benchmark with published results for both. Gemini 1.5 Flash 8B scores higher in 1 category and Gemini 2.0 Pro in 6 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in math, where Gemini 2.0 Pro leads 39.7 to 14.2.
- The biggest single-benchmark swing is GPQA Diamond: 33% for Gemini 1.5 Flash 8B and 65.7% for Gemini 2.0 Pro.

## Snapshot

| | Gemini 1.5 Flash 8B | Gemini 2.0 Pro |
|---|---|---|
| Provider | Google | Google |
| Noometry Index | 29.9 | 39.1 |
| Rank | 301 | 173 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Proprietary | Proprietary |

## Coding

- Gemini 1.5 Flash 8B: 35.5 (#225)
- Gemini 2.0 Pro: 37.8 (#187)

| Benchmark | Gemini 1.5 Flash 8B | Gemini 2.0 Pro |
|---|---|---|
| Aider Polyglot | — | 35.6% |
| LiveBench Coding | — | 63.5% |
| LMArena Coding | 1218 | — |

## Reasoning

- Gemini 1.5 Flash 8B: 20.0 (#244)
- Gemini 2.0 Pro: 22.3 (#198)

| Benchmark | Gemini 1.5 Flash 8B | Gemini 2.0 Pro |
|---|---|---|
| EnigmaEval | — | 0.7% |
| LiveBench Reasoning | — | 60.1% |
| LMArena Hard Prompts | 1209 | — |
| DTBench | 50% | — |
| LiveBench Data Analysis | — | 68% |
| Epoch Capabilities Index | — | 135.06 |
| LiveBench | — | 65.1% |

## Math

- Gemini 1.5 Flash 8B: 14.2 (#302)
- Gemini 2.0 Pro: 39.7 (#100)

| Benchmark | Gemini 1.5 Flash 8B | Gemini 2.0 Pro |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 4.6% | — |
| LiveBench Math | — | 71% |
| LMArena Math | 1207 | — |
| MATH Level 5 | — | 83.5% |

## Knowledge

- Gemini 1.5 Flash 8B: 16.0 (#289)
- Gemini 2.0 Pro: 36.5 (#167)

| Benchmark | Gemini 1.5 Flash 8B | Gemini 2.0 Pro |
|---|---|---|
| GPQA Diamond | 33% | 65.7% |
| Confabulations | — | 18.4% |
| LMArena Expert | 1185 | — |

## Multimodal

- Gemini 1.5 Flash 8B: 28.2 (#115)
- Gemini 2.0 Pro: —

| Benchmark | Gemini 1.5 Flash 8B | Gemini 2.0 Pro |
|---|---|---|
| LMArena Vision | 1044 | — |

## Multilingual

- Gemini 1.5 Flash 8B: 38.5 (#229)
- Gemini 2.0 Pro: —

| Benchmark | Gemini 1.5 Flash 8B | Gemini 2.0 Pro |
|---|---|---|
| LMArena Non-English | 1215 | — |
| LMArena Chinese | 1231 | — |
| LMArena French | 1234 | — |
| LMArena German | 1206 | — |
| LMArena Japanese | 1150 | — |
| LMArena Korean | 1140 | — |
| LMArena Russian | 1236 | — |
| LMArena Spanish | 1212 | — |

## Instruction Following

- Gemini 1.5 Flash 8B: 62.8 (#236)
- Gemini 2.0 Pro: 75.5 (#59)

| Benchmark | Gemini 1.5 Flash 8B | Gemini 2.0 Pro |
|---|---|---|
| LiveBench Instruction Following | — | 83.4% |
| LMArena Instruction Following | 1199 | — |

## Long Context

- Gemini 1.5 Flash 8B: 37.0 (#225)
- Gemini 2.0 Pro: 29.2 (#292)

| Benchmark | Gemini 1.5 Flash 8B | Gemini 2.0 Pro |
|---|---|---|
| Fiction.LiveBench | — | 41.7% |
| LMArena Longer Query | 1219 | — |

## Writing & Preference

- Gemini 1.5 Flash 8B: 42.8 (#232)
- Gemini 2.0 Pro: 52.7 (#165)

| Benchmark | Gemini 1.5 Flash 8B | Gemini 2.0 Pro |
|---|---|---|
| LMArena Text | 1226 | — |
| LMArena Creative Writing | 1218 | — |
| LMArena Multi-Turn | 1185 | — |
| LiveBench Language | — | 44.9% |

## FAQ

### Is Gemini 1.5 Flash 8B better than Gemini 2.0 Pro?

Gemini 2.0 Pro is the stronger model overall, scoring 39.1 to 29.9 on the Noometry Index.

### Is Gemini 1.5 Flash 8B or Gemini 2.0 Pro better for coding?

Gemini 2.0 Pro scores higher on coding benchmarks: 37.8 versus 35.5 in the Noometry coding category.

### How many benchmarks do Gemini 1.5 Flash 8B and Gemini 2.0 Pro share?

1 benchmark has published results for both models. Gemini 1.5 Flash 8B has 21 scored results on Noometry and Gemini 2.0 Pro has 14.