# Claude 3.5 Sonnet vs Gemini 2.0 Flash (Feb 2025)

> Claude 3.5 Sonnet and Gemini 2.0 Flash (Feb 2025) score almost the same on the Noometry Index (34.4 vs 34.8), so choose on price, context window or the category you care about most.

- Canonical page: https://noometry.com/compare/claude-3-5-sonnet-vs-gemini-2-0-flash
- Last updated: 2026-10-10
- Shared benchmarks: 50

## Summary

- They share 50 benchmarks with published results for both. Claude 3.5 Sonnet scores higher in 5 categories and Gemini 2.0 Flash (Feb 2025) in 5 categories; 10 gaps are clear of the uncertainty.
- The widest gap is in math, where Gemini 2.0 Flash (Feb 2025) leads 36.1 to 18.0.
- The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 8.5% for Claude 3.5 Sonnet and 57.8% for Gemini 2.0 Flash (Feb 2025).

## Snapshot

| | Claude 3.5 Sonnet | Gemini 2.0 Flash (Feb 2025) |
|---|---|---|
| Provider | Anthropic | Google |
| Noometry Index | 34.4 | 34.8 |
| Rank | 225 | 223 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Proprietary | Proprietary |

## Coding

- Claude 3.5 Sonnet: 39.5 (#145)
- Gemini 2.0 Flash (Feb 2025): 28.2 (#308)

| Benchmark | Claude 3.5 Sonnet | Gemini 2.0 Flash (Feb 2025) |
|---|---|---|
| Aider Polyglot | 51.6% | 38.2% |
| WeirdML | 40% | 25.8% |
| BigCodeBench Instruct | 46.8% | 45.9% |
| LiveBench Coding | 67.1% | 63.4% |
| LMArena Coding | 1343 | 1351 |
| BigCodeBench Complete | 58.6% | 59.9% |
| CadEval | 48% | 30% |
| SWE-bench Verified (bash only) | — | 13.5% |
| GSO | 4.6% | — |
| HumanEval+ | 81.7% | — |
| MBPP+ | 74.3% | — |

## Agentic & Tool Use

- Claude 3.5 Sonnet: 32.1 (#61)
- Gemini 2.0 Flash (Feb 2025): 28.0 (#85)

| Benchmark | Claude 3.5 Sonnet | Gemini 2.0 Flash (Feb 2025) |
|---|---|---|
| TheAgentCompany | 24% | 11.4% |
| Cybench | 17.5% | — |
| BALROG | 32.6% | — |
| METR Time Horizons | 45.2% | — |

## Reasoning

- Claude 3.5 Sonnet: 22.5 (#176)
- Gemini 2.0 Flash (Feb 2025): 15.2 (#308)

| Benchmark | Claude 3.5 Sonnet | Gemini 2.0 Flash (Feb 2025) |
|---|---|---|
| SimpleBench | 41.4% | 31.1% |
| EnigmaEval | 0.9% | 1.1% |
| LiveBench Reasoning | 56.7% | 78.2% |
| LMArena Hard Prompts | 1305 | 1346 |
| DTBench | 67.8% | 63.2% |
| LiveBench Data Analysis | 55% | 69.4% |
| Epoch Capabilities Index | 133.55 | 135.36 |
| LiveBench | 59% | 66.9% |
| ARC-AGI-2 | — | 1.3% |
| Kagi LLM Benchmark | — | 37.8% |
| ForecastBench | 60.7 | — |

## Math

- Claude 3.5 Sonnet: 18.0 (#282)
- Gemini 2.0 Flash (Feb 2025): 36.1 (#127)

| Benchmark | Claude 3.5 Sonnet | Gemini 2.0 Flash (Feb 2025) |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 8.5% | 57.8% |
| Omni-MATH | 27.6% | 45.9% |
| LiveBench Math | 52.3% | 75.8% |
| LMArena Math | 1306 | 1351 |
| MATH Level 5 | 56.9% | 82.2% |
| FrontierMath (Feb 2025 set) | 2.1% | 1.7% |
| FrontierMath Tier 4 (v1) | 0% | — |

## Knowledge

- Claude 3.5 Sonnet: 28.5 (#236)
- Gemini 2.0 Flash (Feb 2025): 32.0 (#207)

| Benchmark | Claude 3.5 Sonnet | Gemini 2.0 Flash (Feb 2025) |
|---|---|---|
| GPQA Diamond | 55.3% | 64.1% |
| Humanity's Last Exam | 4.1% | 6.6% |
| MMLU-Pro | 77.7% | 73.7% |
| Confabulations | 19.9% | 12.4% |
| GPQA (HELM) | 56.5% | 55.6% |
| LMArena Expert | 1264 | 1340 |
| MMLU | 87.3% | 79.7% |

## Multimodal

- Claude 3.5 Sonnet: 26.0 (#115)
- Gemini 2.0 Flash (Feb 2025): 35.9 (#74)

| Benchmark | Claude 3.5 Sonnet | Gemini 2.0 Flash (Feb 2025) |
|---|---|---|
| LMArena Vision | 1125 | 1158 |
| GeoBench | 62% | 77% |
| Video-MME | 60% | — |
| VPCT | 33% | — |

## Multilingual

- Claude 3.5 Sonnet: 43.4 (#180)
- Gemini 2.0 Flash (Feb 2025): 47.6 (#144)

| Benchmark | Claude 3.5 Sonnet | Gemini 2.0 Flash (Feb 2025) |
|---|---|---|
| LMArena Non-English | 1283 | 1342 |
| LMArena Chinese | 1271 | 1373 |
| LMArena French | 1304 | 1390 |
| LMArena German | 1297 | 1354 |
| LMArena Japanese | 1234 | 1293 |
| LMArena Korean | 1200 | 1314 |
| LMArena Russian | 1305 | 1351 |
| LMArena Spanish | 1289 | 1363 |

## Instruction Following

- Claude 3.5 Sonnet: 69.0 (#177)
- Gemini 2.0 Flash (Feb 2025): 74.6 (#91)

| Benchmark | Claude 3.5 Sonnet | Gemini 2.0 Flash (Feb 2025) |
|---|---|---|
| LiveBench Instruction Following | 69.3% | 85.8% |
| IFEval | 85.5% | 84.1% |
| LMArena Instruction Following | 1297 | 1336 |

## Long Context

- Claude 3.5 Sonnet: 39.9 (#162)
- Gemini 2.0 Flash (Feb 2025): 38.1 (#198)

| Benchmark | Claude 3.5 Sonnet | Gemini 2.0 Flash (Feb 2025) |
|---|---|---|
| LMArena Longer Query | 1311 | 1345 |
| Fiction.LiveBench | — | 61.1% |

## Writing & Preference

- Claude 3.5 Sonnet: 53.0 (#159)
- Gemini 2.0 Flash (Feb 2025): 49.8 (#184)

| Benchmark | Claude 3.5 Sonnet | Gemini 2.0 Flash (Feb 2025) |
|---|---|---|
| LMArena Text | 1298 | 1354 |
| LMArena Creative Writing | 1292 | 1340 |
| Short-Story Creative Writing | 80.3% | 73.8% |
| EQ-Bench Creative Writing | 1451 | 1128 |
| WildBench | 79.2% | 80% |
| LMArena Multi-Turn | 1326 | 1350 |
| LiveBench Language | 53.8% | 51.3% |

## FAQ

### Is Claude 3.5 Sonnet better than Gemini 2.0 Flash (Feb 2025)?

Claude 3.5 Sonnet and Gemini 2.0 Flash (Feb 2025) score almost the same on the Noometry Index (34.4 vs 34.8), so choose on price, context window or the category you care about most.

### Is Claude 3.5 Sonnet or Gemini 2.0 Flash (Feb 2025) better for coding?

Claude 3.5 Sonnet scores higher on coding benchmarks: 39.5 versus 28.2 in the Noometry coding category.

### How many benchmarks do Claude 3.5 Sonnet and Gemini 2.0 Flash (Feb 2025) share?

50 benchmarks have published results for both models. Claude 3.5 Sonnet has 60 scored results on Noometry and Gemini 2.0 Flash (Feb 2025) has 54.