# Gemini 1.5 Flash 8B vs Gemini 2.0 Flash (Feb 2025)

> Gemini 2.0 Flash (Feb 2025) is the stronger model overall, scoring 34.8 to 29.7 on the Noometry Index.

- Canonical page: https://noometry.com/compare/gemini-1-5-flash-8b-vs-gemini-2-0-flash
- Last updated: 2026-10-10
- Shared benchmarks: 21

## Summary

- They share 21 benchmarks with published results for both. Gemini 1.5 Flash 8B scores higher in 2 categories and Gemini 2.0 Flash (Feb 2025) in 7 categories; 9 gaps are clear of the uncertainty.
- The widest gap is in math, where Gemini 2.0 Flash (Feb 2025) leads 36.1 to 13.3.
- The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 4.6% for Gemini 1.5 Flash 8B and 57.8% for Gemini 2.0 Flash (Feb 2025).

## Snapshot

| | Gemini 1.5 Flash 8B | Gemini 2.0 Flash (Feb 2025) |
|---|---|---|
| Provider | Google | Google |
| Noometry Index | 29.7 | 34.8 |
| Rank | 292 | 223 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Proprietary | Proprietary |

## Coding

- Gemini 1.5 Flash 8B: 34.9 (#221)
- Gemini 2.0 Flash (Feb 2025): 28.2 (#308)

| Benchmark | Gemini 1.5 Flash 8B | Gemini 2.0 Flash (Feb 2025) |
|---|---|---|
| LMArena Coding | 1218 | 1351 |
| SWE-bench Verified (bash only) | — | 13.5% |
| Aider Polyglot | — | 38.2% |
| WeirdML | — | 25.8% |
| BigCodeBench Instruct | — | 45.9% |
| LiveBench Coding | — | 63.4% |
| BigCodeBench Complete | — | 59.9% |
| CadEval | — | 30% |

## Agentic & Tool Use

- Gemini 1.5 Flash 8B: —
- Gemini 2.0 Flash (Feb 2025): 28.0 (#85)

| Benchmark | Gemini 1.5 Flash 8B | Gemini 2.0 Flash (Feb 2025) |
|---|---|---|
| TheAgentCompany | — | 11.4% |

## Reasoning

- Gemini 1.5 Flash 8B: 19.2 (#242)
- Gemini 2.0 Flash (Feb 2025): 15.2 (#308)

| Benchmark | Gemini 1.5 Flash 8B | Gemini 2.0 Flash (Feb 2025) |
|---|---|---|
| LMArena Hard Prompts | 1210 | 1346 |
| DTBench | 50% | 63.2% |
| ARC-AGI-2 | — | 1.3% |
| SimpleBench | — | 31.1% |
| Kagi LLM Benchmark | — | 37.8% |
| EnigmaEval | — | 1.1% |
| LiveBench Reasoning | — | 78.2% |
| LiveBench Data Analysis | — | 69.4% |
| Epoch Capabilities Index | — | 135.36 |
| LiveBench | — | 66.9% |

## Math

- Gemini 1.5 Flash 8B: 13.3 (#296)
- Gemini 2.0 Flash (Feb 2025): 36.1 (#127)

| Benchmark | Gemini 1.5 Flash 8B | Gemini 2.0 Flash (Feb 2025) |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 4.6% | 57.8% |
| LMArena Math | 1207 | 1351 |
| Omni-MATH | — | 45.9% |
| LiveBench Math | — | 75.8% |
| MATH Level 5 | — | 82.2% |
| FrontierMath (Feb 2025 set) | — | 1.7% |

## Knowledge

- Gemini 1.5 Flash 8B: 16.0 (#285)
- Gemini 2.0 Flash (Feb 2025): 32.0 (#207)

| Benchmark | Gemini 1.5 Flash 8B | Gemini 2.0 Flash (Feb 2025) |
|---|---|---|
| GPQA Diamond | 33% | 64.1% |
| LMArena Expert | 1185 | 1340 |
| Humanity's Last Exam | — | 6.6% |
| MMLU-Pro | — | 73.7% |
| Confabulations | — | 12.4% |
| GPQA (HELM) | — | 55.6% |
| MMLU | — | 79.7% |

## Multimodal

- Gemini 1.5 Flash 8B: 27.6 (#110)
- Gemini 2.0 Flash (Feb 2025): 35.9 (#74)

| Benchmark | Gemini 1.5 Flash 8B | Gemini 2.0 Flash (Feb 2025) |
|---|---|---|
| LMArena Vision | 1044 | 1158 |
| GeoBench | — | 77% |

## Multilingual

- Gemini 1.5 Flash 8B: 38.6 (#224)
- Gemini 2.0 Flash (Feb 2025): 47.6 (#144)

| Benchmark | Gemini 1.5 Flash 8B | Gemini 2.0 Flash (Feb 2025) |
|---|---|---|
| LMArena Non-English | 1215 | 1342 |
| LMArena Chinese | 1231 | 1373 |
| LMArena French | 1233 | 1390 |
| LMArena German | 1206 | 1354 |
| LMArena Japanese | 1150 | 1293 |
| LMArena Korean | 1140 | 1314 |
| LMArena Russian | 1236 | 1351 |
| LMArena Spanish | 1212 | 1363 |

## Instruction Following

- Gemini 1.5 Flash 8B: 63.1 (#231)
- Gemini 2.0 Flash (Feb 2025): 74.6 (#91)

| Benchmark | Gemini 1.5 Flash 8B | Gemini 2.0 Flash (Feb 2025) |
|---|---|---|
| LMArena Instruction Following | 1199 | 1336 |
| LiveBench Instruction Following | — | 85.8% |
| IFEval | — | 84.1% |

## Long Context

- Gemini 1.5 Flash 8B: 36.9 (#220)
- Gemini 2.0 Flash (Feb 2025): 38.1 (#198)

| Benchmark | Gemini 1.5 Flash 8B | Gemini 2.0 Flash (Feb 2025) |
|---|---|---|
| LMArena Longer Query | 1219 | 1345 |
| Fiction.LiveBench | — | 61.1% |

## Writing & Preference

- Gemini 1.5 Flash 8B: 43.0 (#227)
- Gemini 2.0 Flash (Feb 2025): 49.8 (#184)

| Benchmark | Gemini 1.5 Flash 8B | Gemini 2.0 Flash (Feb 2025) |
|---|---|---|
| LMArena Text | 1226 | 1354 |
| LMArena Creative Writing | 1218 | 1340 |
| LMArena Multi-Turn | 1185 | 1350 |
| Short-Story Creative Writing | — | 73.8% |
| EQ-Bench Creative Writing | — | 1128 |
| WildBench | — | 80% |
| LiveBench Language | — | 51.3% |

## FAQ

### Is Gemini 1.5 Flash 8B better than Gemini 2.0 Flash (Feb 2025)?

Gemini 2.0 Flash (Feb 2025) is the stronger model overall, scoring 34.8 to 29.7 on the Noometry Index.

### Is Gemini 1.5 Flash 8B or Gemini 2.0 Flash (Feb 2025) better for coding?

Gemini 1.5 Flash 8B scores higher on coding benchmarks: 34.9 versus 28.2 in the Noometry coding category.

### How many benchmarks do Gemini 1.5 Flash 8B and Gemini 2.0 Flash (Feb 2025) share?

21 benchmarks have published results for both models. Gemini 1.5 Flash 8B has 21 scored results on Noometry and Gemini 2.0 Flash (Feb 2025) has 54.