# Claude 3 Sonnet vs Gemini 1.5 Flash 8B

> Claude 3 Sonnet and Gemini 1.5 Flash 8B score almost the same on the Noometry Index (28.8 vs 29.7), so choose on price, context window or the category you care about most.

- Canonical page: https://noometry.com/compare/claude-3-sonnet-vs-gemini-1-5-flash-8b
- Last updated: 2026-10-10
- Shared benchmarks: 21

## Summary

- They share 21 benchmarks with published results for both. Claude 3 Sonnet scores higher in 3 categories and Gemini 1.5 Flash 8B in 6 categories; 4 gaps are clear of the uncertainty.
- The widest gap is in coding, where Gemini 1.5 Flash 8B leads 34.9 to 29.2.
- The biggest single-benchmark swing is GPQA Diamond: 40.6% for Claude 3 Sonnet and 33% for Gemini 1.5 Flash 8B.

## Snapshot

| | Claude 3 Sonnet | Gemini 1.5 Flash 8B |
|---|---|---|
| Provider | Anthropic | Google |
| Noometry Index | 28.8 | 29.7 |
| Rank | 311 | 292 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Proprietary | Proprietary |

## Coding

- Claude 3 Sonnet: 29.2 (#296)
- Gemini 1.5 Flash 8B: 34.9 (#221)

| Benchmark | Claude 3 Sonnet | Gemini 1.5 Flash 8B |
|---|---|---|
| LMArena Coding | 1223 | 1218 |
| WeirdML | 10.2% | — |
| BigCodeBench Instruct | 42.7% | — |
| BigCodeBench Complete | 53.8% | — |
| HumanEval+ | 64% | — |
| MBPP+ | 69.3% | — |

## Reasoning

- Claude 3 Sonnet: 19.7 (#232)
- Gemini 1.5 Flash 8B: 19.2 (#242)

| Benchmark | Claude 3 Sonnet | Gemini 1.5 Flash 8B |
|---|---|---|
| LMArena Hard Prompts | 1197 | 1210 |
| DTBench | 53.6% | 50% |
| Epoch Capabilities Index | 120.69 | — |
| WinoGrande | 75.1% | — |

## Math

- Claude 3 Sonnet: 10.0 (#305)
- Gemini 1.5 Flash 8B: 13.3 (#296)

| Benchmark | Claude 3 Sonnet | Gemini 1.5 Flash 8B |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 2.5% | 4.6% |
| LMArena Math | 1213 | 1207 |
| MATH Level 5 | 18.2% | — |

## Knowledge

- Claude 3 Sonnet: 21.1 (#271)
- Gemini 1.5 Flash 8B: 16.0 (#285)

| Benchmark | Claude 3 Sonnet | Gemini 1.5 Flash 8B |
|---|---|---|
| GPQA Diamond | 40.6% | 33% |
| LMArena Expert | 1173 | 1185 |
| MMLU | 75.9% | — |

## Multimodal

- Claude 3 Sonnet: 24.7 (#120)
- Gemini 1.5 Flash 8B: 27.6 (#110)

| Benchmark | Claude 3 Sonnet | Gemini 1.5 Flash 8B |
|---|---|---|
| LMArena Vision | 984 | 1044 |

## Multilingual

- Claude 3 Sonnet: 38.0 (#229)
- Gemini 1.5 Flash 8B: 38.6 (#224)

| Benchmark | Claude 3 Sonnet | Gemini 1.5 Flash 8B |
|---|---|---|
| LMArena Non-English | 1205 | 1215 |
| LMArena Chinese | 1188 | 1231 |
| LMArena French | 1228 | 1233 |
| LMArena German | 1204 | 1206 |
| LMArena Japanese | 1131 | 1150 |
| LMArena Korean | 1128 | 1140 |
| LMArena Russian | 1227 | 1236 |
| LMArena Spanish | 1204 | 1212 |

## Instruction Following

- Claude 3 Sonnet: 63.1 (#230)
- Gemini 1.5 Flash 8B: 63.1 (#231)

| Benchmark | Claude 3 Sonnet | Gemini 1.5 Flash 8B |
|---|---|---|
| LMArena Instruction Following | 1200 | 1199 |

## Long Context

- Claude 3 Sonnet: 36.7 (#223)
- Gemini 1.5 Flash 8B: 36.9 (#220)

| Benchmark | Claude 3 Sonnet | Gemini 1.5 Flash 8B |
|---|---|---|
| LMArena Longer Query | 1211 | 1219 |

## Writing & Preference

- Claude 3 Sonnet: 42.3 (#233)
- Gemini 1.5 Flash 8B: 43.0 (#227)

| Benchmark | Claude 3 Sonnet | Gemini 1.5 Flash 8B |
|---|---|---|
| LMArena Text | 1218 | 1226 |
| LMArena Creative Writing | 1186 | 1218 |
| LMArena Multi-Turn | 1227 | 1185 |

## FAQ

### Is Claude 3 Sonnet better than Gemini 1.5 Flash 8B?

Claude 3 Sonnet and Gemini 1.5 Flash 8B score almost the same on the Noometry Index (28.8 vs 29.7), so choose on price, context window or the category you care about most.

### Is Claude 3 Sonnet or Gemini 1.5 Flash 8B better for coding?

Gemini 1.5 Flash 8B scores higher on coding benchmarks: 34.9 versus 29.2 in the Noometry coding category.

### How many benchmarks do Claude 3 Sonnet and Gemini 1.5 Flash 8B share?

21 benchmarks have published results for both models. Claude 3 Sonnet has 30 scored results on Noometry and Gemini 1.5 Flash 8B has 21.