# Claude 3.5 Sonnet vs Gemini 3.5 Flash Lite

> Gemini 3.5 Flash Lite is the stronger model overall, scoring 41.5 to 34.6 on the Noometry Index.

- Canonical page: https://noometry.com/compare/claude-3-5-sonnet-vs-gemini-3-5-flash-lite
- Last updated: 2026-10-12
- Shared benchmarks: 24

## Summary

- They share 24 benchmarks with published results for both. Claude 3.5 Sonnet scores higher in 1 category and Gemini 3.5 Flash Lite in 9 categories; 10 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Gemini 3.5 Flash Lite leads 50.1 to 28.6.
- The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 8.5% for Claude 3.5 Sonnet and 71.1% for Gemini 3.5 Flash Lite.

## Snapshot

| | Claude 3.5 Sonnet | Gemini 3.5 Flash Lite |
|---|---|---|
| Provider | Anthropic | Google |
| Noometry Index | 34.6 | 41.5 |
| Rank | 231 | 133 |
| Context | — | 1.05M |
| Input $/M | — | $0.30 |
| Output $/M | — | $2.50 |
| Weights | Proprietary | Proprietary |

## Coding

- Claude 3.5 Sonnet: 39.0 (#165)
- Gemini 3.5 Flash Lite: 42.4 (#104)

| Benchmark | Claude 3.5 Sonnet | Gemini 3.5 Flash Lite |
|---|---|---|
| WeirdML | 40% | 39% |
| LMArena Coding | 1342 | 1453 |
| Aider Polyglot | 51.6% | — |
| LMArena WebDev | — | 1440 |
| SciCode | — | 41.3% |
| GSO | 4.6% | — |
| BigCodeBench Instruct | 46.8% | — |
| LiveBench Coding | 67.1% | — |
| BigCodeBench Complete | 58.6% | — |
| CadEval | 48% | — |
| ALE-Bench | — | 765.27 |
| HumanEval+ | 81.7% | — |
| MBPP+ | 74.3% | — |

## Agentic & Tool Use

- Claude 3.5 Sonnet: 32.3 (#67)
- Gemini 3.5 Flash Lite: 25.7 (#107)

| Benchmark | Claude 3.5 Sonnet | Gemini 3.5 Flash Lite |
|---|---|---|
| APEX-Agents | — | 29.3% |
| TheAgentCompany | 24% | — |
| Cybench | 17.5% | — |
| BALROG | 32.6% | — |
| GDP.pdf | — | 10% |
| METR Time Horizons | 45.2% | — |

## Reasoning

- Claude 3.5 Sonnet: 23.1 (#183)
- Gemini 3.5 Flash Lite: 27.8 (#114)

| Benchmark | Claude 3.5 Sonnet | Gemini 3.5 Flash Lite |
|---|---|---|
| LMArena Hard Prompts | 1305 | 1441 |
| DTBench | 67.8% | 83.5% |
| Epoch Capabilities Index | 133.55 | 145.13 |
| ARC-AGI-2 | — | 10.3% |
| SimpleBench | 41.4% | — |
| NYT Connections (extended) | — | 60.4% |
| ARC-AGI-1 | — | 53.5% |
| CritPt | — | 0% |
| Chess Puzzles | — | 22% |
| EnigmaEval | 0.9% | — |
| LiveBench Reasoning | 56.7% | — |
| Mystery Game Puzzles | — | 19% |
| LiveBench Data Analysis | 55% | — |
| LMCA | — | 37.6% |
| ForecastBench | 60.7 | — |
| LiveBench | 59% | — |

## Math

- Claude 3.5 Sonnet: 19.2 (#288)
- Gemini 3.5 Flash Lite: 25.9 (#264)

| Benchmark | Claude 3.5 Sonnet | Gemini 3.5 Flash Lite |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 8.5% | 71.1% |
| LMArena Math | 1307 | 1433 |
| FrontierMath (Tiers 1-3) | — | 26% |
| FrontierMath Tier 4 | — | 0% |
| ProofBench | — | 13% |
| Omni-MATH | 27.6% | — |
| LiveBench Math | 52.3% | — |
| MATH Level 5 | 56.9% | — |
| FrontierMath (Feb 2025 set) | 2.1% | — |
| FrontierMath Tier 4 (v1) | 0% | — |

## Knowledge

- Claude 3.5 Sonnet: 28.6 (#245)
- Gemini 3.5 Flash Lite: 50.1 (#72)

| Benchmark | Claude 3.5 Sonnet | Gemini 3.5 Flash Lite |
|---|---|---|
| GPQA Diamond | 55.3% | 83.3% |
| LMArena Expert | 1265 | 1435 |
| Humanity's Last Exam | 4.1% | — |
| MMLU-Pro | 77.7% | — |
| Confabulations | 19.9% | — |
| GPQA (HELM) | 56.5% | — |
| MMLU | 87.3% | — |

## Multimodal

- Claude 3.5 Sonnet: 26.5 (#120)
- Gemini 3.5 Flash Lite: 41.1 (#40)

| Benchmark | Claude 3.5 Sonnet | Gemini 3.5 Flash Lite |
|---|---|---|
| LMArena Vision | 1125 | 1268 |
| Video-MME | 60% | — |
| GeoBench | 62% | — |
| VPCT | 33% | — |

## Multilingual

- Claude 3.5 Sonnet: 43.2 (#185)
- Gemini 3.5 Flash Lite: 53.5 (#63)

| Benchmark | Claude 3.5 Sonnet | Gemini 3.5 Flash Lite |
|---|---|---|
| LMArena Non-English | 1283 | 1427 |
| LMArena Chinese | 1272 | 1469 |
| LMArena French | 1305 | 1451 |
| LMArena German | 1297 | 1454 |
| LMArena Japanese | 1234 | 1427 |
| LMArena Korean | 1200 | 1407 |
| LMArena Russian | 1306 | 1443 |
| LMArena Spanish | 1290 | 1442 |

## Instruction Following

- Claude 3.5 Sonnet: 68.8 (#182)
- Gemini 3.5 Flash Lite: 74.8 (#85)

| Benchmark | Claude 3.5 Sonnet | Gemini 3.5 Flash Lite |
|---|---|---|
| LMArena Instruction Following | 1297 | 1420 |
| LiveBench Instruction Following | 69.3% | — |
| IFEval | 85.5% | — |

## Long Context

- Claude 3.5 Sonnet: 39.9 (#167)
- Gemini 3.5 Flash Lite: 43.9 (#84)

| Benchmark | Claude 3.5 Sonnet | Gemini 3.5 Flash Lite |
|---|---|---|
| LMArena Longer Query | 1311 | 1435 |

## Writing & Preference

- Claude 3.5 Sonnet: 52.9 (#164)
- Gemini 3.5 Flash Lite: 64.2 (#57)

| Benchmark | Claude 3.5 Sonnet | Gemini 3.5 Flash Lite |
|---|---|---|
| LMArena Text | 1298 | 1435 |
| LMArena Creative Writing | 1292 | 1420 |
| EQ-Bench Creative Writing | 1451 | 1559 |
| LMArena Multi-Turn | 1326 | 1445 |
| Short-Story Creative Writing | 80.3% | — |
| WildBench | 79.2% | — |
| LiveBench Language | 53.8% | — |

## FAQ

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

Gemini 3.5 Flash Lite is the stronger model overall, scoring 41.5 to 34.6 on the Noometry Index.

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

Gemini 3.5 Flash Lite scores higher on coding benchmarks: 42.4 versus 39.0 in the Noometry coding category.

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

24 benchmarks have published results for both models. Claude 3.5 Sonnet has 60 scored results on Noometry and Gemini 3.5 Flash Lite has 39.