# Claude 3 Sonnet vs Gemini 3.5 Flash Lite

> Gemini 3.5 Flash Lite is the stronger model overall, scoring 41.8 to 28.8 on the Noometry Index.

- Canonical page: https://noometry.com/compare/claude-3-sonnet-vs-gemini-3-5-flash-lite
- Last updated: 2026-10-10
- Shared benchmarks: 23

## Summary

- They share 23 benchmarks with published results for both. Claude 3 Sonnet scores higher in 0 categories and Gemini 3.5 Flash Lite in 9 categories; 9 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Gemini 3.5 Flash Lite leads 50.0 to 21.1.
- The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 2.5% for Claude 3 Sonnet and 71.1% for Gemini 3.5 Flash Lite.

## Snapshot

| | Claude 3 Sonnet | Gemini 3.5 Flash Lite |
|---|---|---|
| Provider | Anthropic | Google |
| Noometry Index | 28.8 | 41.8 |
| Rank | 311 | 113 |
| Context | — | 1.05M |
| Input $/M | — | $0.30 |
| Output $/M | — | $2.50 |
| Weights | Proprietary | Proprietary |

## Coding

- Claude 3 Sonnet: 29.2 (#296)
- Gemini 3.5 Flash Lite: 42.1 (#96)

| Benchmark | Claude 3 Sonnet | Gemini 3.5 Flash Lite |
|---|---|---|
| WeirdML | 10.2% | 39% |
| LMArena Coding | 1223 | 1455 |
| LMArena WebDev | — | 1440 |
| SciCode | — | 41.3% |
| BigCodeBench Instruct | 42.7% | — |
| BigCodeBench Complete | 53.8% | — |
| ALE-Bench | — | 765.27 |
| HumanEval+ | 64% | — |
| MBPP+ | 69.3% | — |

## Agentic & Tool Use

- Claude 3 Sonnet: —
- Gemini 3.5 Flash Lite: 28.6 (#82)

| Benchmark | Claude 3 Sonnet | Gemini 3.5 Flash Lite |
|---|---|---|
| GDP.pdf | — | 10% |

## Reasoning

- Claude 3 Sonnet: 19.7 (#232)
- Gemini 3.5 Flash Lite: 27.8 (#95)

| Benchmark | Claude 3 Sonnet | Gemini 3.5 Flash Lite |
|---|---|---|
| LMArena Hard Prompts | 1197 | 1441 |
| DTBench | 53.6% | 83.5% |
| Epoch Capabilities Index | 120.69 | 145.12 |
| ARC-AGI-2 | — | 10.3% |
| NYT Connections (extended) | — | 60.4% |
| ARC-AGI-1 | — | 53.5% |
| CritPt | — | 0% |
| Chess Puzzles | — | 22% |
| Mystery Game Puzzles | — | 19% |
| LMCA | — | 37.6% |
| WinoGrande | 75.1% | — |

## Math

- Claude 3 Sonnet: 10.0 (#305)
- Gemini 3.5 Flash Lite: 25.7 (#245)

| Benchmark | Claude 3 Sonnet | Gemini 3.5 Flash Lite |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 2.5% | 71.1% |
| LMArena Math | 1213 | 1431 |
| FrontierMath (Tiers 1-3) | — | 26% |
| FrontierMath Tier 4 | — | 0% |
| ProofBench | — | 13% |
| MATH Level 5 | 18.2% | — |

## Knowledge

- Claude 3 Sonnet: 21.1 (#271)
- Gemini 3.5 Flash Lite: 50.0 (#66)

| Benchmark | Claude 3 Sonnet | Gemini 3.5 Flash Lite |
|---|---|---|
| GPQA Diamond | 40.6% | 83.3% |
| LMArena Expert | 1173 | 1430 |
| MMLU | 75.9% | — |

## Multimodal

- Claude 3 Sonnet: 24.7 (#120)
- Gemini 3.5 Flash Lite: 40.3 (#38)

| Benchmark | Claude 3 Sonnet | Gemini 3.5 Flash Lite |
|---|---|---|
| LMArena Vision | 984 | 1266 |

## Multilingual

- Claude 3 Sonnet: 38.0 (#229)
- Gemini 3.5 Flash Lite: 53.8 (#59)

| Benchmark | Claude 3 Sonnet | Gemini 3.5 Flash Lite |
|---|---|---|
| LMArena Non-English | 1205 | 1428 |
| LMArena Chinese | 1188 | 1467 |
| LMArena French | 1228 | 1452 |
| LMArena German | 1204 | 1454 |
| LMArena Japanese | 1131 | 1428 |
| LMArena Korean | 1128 | 1406 |
| LMArena Russian | 1227 | 1443 |
| LMArena Spanish | 1204 | 1440 |

## Instruction Following

- Claude 3 Sonnet: 63.1 (#230)
- Gemini 3.5 Flash Lite: 75.0 (#77)

| Benchmark | Claude 3 Sonnet | Gemini 3.5 Flash Lite |
|---|---|---|
| LMArena Instruction Following | 1200 | 1420 |

## Long Context

- Claude 3 Sonnet: 36.7 (#223)
- Gemini 3.5 Flash Lite: 43.8 (#80)

| Benchmark | Claude 3 Sonnet | Gemini 3.5 Flash Lite |
|---|---|---|
| LMArena Longer Query | 1211 | 1435 |

## Writing & Preference

- Claude 3 Sonnet: 42.3 (#233)
- Gemini 3.5 Flash Lite: 64.4 (#55)

| Benchmark | Claude 3 Sonnet | Gemini 3.5 Flash Lite |
|---|---|---|
| LMArena Text | 1218 | 1436 |
| LMArena Creative Writing | 1186 | 1419 |
| LMArena Multi-Turn | 1227 | 1445 |
| EQ-Bench Creative Writing | — | 1559 |

## FAQ

### Is Claude 3 Sonnet better than Gemini 3.5 Flash Lite?

Gemini 3.5 Flash Lite is the stronger model overall, scoring 41.8 to 28.8 on the Noometry Index.

### Is Claude 3 Sonnet or Gemini 3.5 Flash Lite better for coding?

Gemini 3.5 Flash Lite scores higher on coding benchmarks: 42.1 versus 29.2 in the Noometry coding category.

### How many benchmarks do Claude 3 Sonnet and Gemini 3.5 Flash Lite share?

23 benchmarks have published results for both models. Claude 3 Sonnet has 30 scored results on Noometry and Gemini 3.5 Flash Lite has 38.