# Claude 3.7 Sonnet vs Gemini 3.8 Flash

> Gemini 3.8 Flash is the stronger model overall, scoring 59.5 to 39.4 on the Noometry Index.

- Canonical page: https://noometry.com/compare/claude-3-7-sonnet-vs-gemini-3-8-flash
- Last updated: 2026-10-10
- Shared benchmarks: 23

## Summary

- They share 23 benchmarks with published results for both. Claude 3.7 Sonnet scores higher in 1 category and Gemini 3.8 Flash in 9 categories; 10 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Gemini 3.8 Flash leads 64.7 to 18.7.
- The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 57.8% for Claude 3.7 Sonnet and 98.9% for Gemini 3.8 Flash.

## Snapshot

| | Claude 3.7 Sonnet | Gemini 3.8 Flash |
|---|---|---|
| Provider | Anthropic | Google |
| Noometry Index | 39.4 | 59.5 |
| Rank | 154 | 13 |
| Context | — | 1.05M |
| Input $/M | — | $0.75 |
| Output $/M | — | $3.75 |
| Weights | Proprietary | Proprietary |

## Coding

- Claude 3.7 Sonnet: 41.1 (#120)
- Gemini 3.8 Flash: 56.4 (#17)

| Benchmark | Claude 3.7 Sonnet | Gemini 3.8 Flash |
|---|---|---|
| LMArena Coding | 1361 | 1512 |
| SWE-bench Verified | 61% | — |
| DeepSWE | — | 73.8% |
| FrontierCode | — | 41.2% |
| SWE-bench Verified (bash only) | 52.8% | — |
| Aider Polyglot | 64.9% | — |
| CursorBench | — | 39.6% |
| LMArena WebDev | — | 1581 |
| FrontierSWE | — | 19.6% |
| SciCode | — | 56.6% |
| GSO | 3.8% | — |
| LiveBench Coding | 74.5% | — |
| CadEval | 54% | — |
| ALE-Bench | — | 1,270 |

## Agentic & Tool Use

- Claude 3.7 Sonnet: 33.9 (#46)
- Gemini 3.8 Flash: 40.3 (#22)

| Benchmark | Claude 3.7 Sonnet | Gemini 3.8 Flash |
|---|---|---|
| APEX-Agents | — | 64.3% |
| TheAgentCompany | 30.9% | — |
| Cybench | 20% | — |
| DeepResearch Bench | 43.6% | — |
| OSWorld | 35.8% | — |
| GDP.pdf | — | 23.4% |
| METR Time Horizons | 60% | — |
| Vending-Bench 2 | — | 5,094 |

## Reasoning

- Claude 3.7 Sonnet: 18.7 (#252)
- Gemini 3.8 Flash: 64.7 (#13)

| Benchmark | Claude 3.7 Sonnet | Gemini 3.8 Flash |
|---|---|---|
| LMArena Hard Prompts | 1333 | 1506 |
| Epoch Capabilities Index | 141.16 | 157.13 |
| ARC-AGI-2 | 0.9% | — |
| SimpleBench | 46.4% | — |
| NYT Connections (extended) | — | 97.4% |
| ARC-AGI-1 | 28.6% | — |
| CritPt | — | 18.3% |
| Chess Puzzles | — | 61% |
| EnigmaEval | 4.2% | — |
| LiveBench Reasoning | 87.8% | — |
| Mystery Game Puzzles | — | 47% |
| DTBench | — | 95.7% |
| LiveBench Data Analysis | 74% | — |
| LMCA | — | 52.9% |
| Surface Evolver Bench | — | 76.9% |
| ForecastBench | 61.8 | — |
| LiveBench | 76.1% | — |

## Math

- Claude 3.7 Sonnet: 35.7 (#137)
- Gemini 3.8 Flash: 65.2 (#22)

| Benchmark | Claude 3.7 Sonnet | Gemini 3.8 Flash |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 57.8% | 98.9% |
| LMArena Math | 1336 | 1528 |
| FrontierMath (Tiers 1-3) | — | 68.4% |
| FrontierMath Tier 4 | — | 22% |
| ProofBench | — | 48% |
| Omni-MATH | 33% | — |
| LiveBench Math | 79% | — |
| MATH Level 5 | 91.2% | — |
| FrontierMath (Feb 2025 set) | 4.1% | — |

## Knowledge

- Claude 3.7 Sonnet: 39.7 (#117)
- Gemini 3.8 Flash: 74.9 (#2)

| Benchmark | Claude 3.7 Sonnet | Gemini 3.8 Flash |
|---|---|---|
| GPQA Diamond | 79.7% | 95.4% |
| Humanity's Last Exam | 8% | 44.5% |
| LMArena Expert | 1321 | 1529 |
| SimpleQA Verified | — | 69.7% |
| MMLU-Pro | 78.4% | — |
| Confabulations | 14.7% | — |
| GPQA (HELM) | 60.8% | — |

## Multimodal

- Claude 3.7 Sonnet: 33.1 (#90)
- Gemini 3.8 Flash: 40.9 (#33)

| Benchmark | Claude 3.7 Sonnet | Gemini 3.8 Flash |
|---|---|---|
| LMArena Vision | 1169 | 1312 |
| GeoBench | 68% | — |
| VPCT | 39% | — |
| Blueprint-Bench 2 | — | 38.6% |
| Furniture Assembly | — | 31.7% |
| SpatialViz-Bench | 33.9% | — |

## Multilingual

- Claude 3.7 Sonnet: 44.3 (#174)
- Gemini 3.8 Flash: 57.9 (#5)

| Benchmark | Claude 3.7 Sonnet | Gemini 3.8 Flash |
|---|---|---|
| LMArena Non-English | 1296 | 1486 |
| LMArena Chinese | 1299 | 1547 |
| LMArena French | 1302 | 1502 |
| LMArena German | 1301 | 1470 |
| LMArena Japanese | 1268 | 1505 |
| LMArena Korean | 1249 | 1479 |
| LMArena Russian | 1311 | 1507 |
| LMArena Spanish | 1299 | 1492 |

## Instruction Following

- Claude 3.7 Sonnet: 73.1 (#120)
- Gemini 3.8 Flash: 78.2 (#11)

| Benchmark | Claude 3.7 Sonnet | Gemini 3.8 Flash |
|---|---|---|
| LMArena Instruction Following | 1352 | 1489 |
| LiveBench Instruction Following | 81.3% | — |
| IFEval | 83.4% | — |

## Long Context

- Claude 3.7 Sonnet: 50.2 (#10)
- Gemini 3.8 Flash: 46.2 (#23)

| Benchmark | Claude 3.7 Sonnet | Gemini 3.8 Flash |
|---|---|---|
| LMArena Longer Query | 1373 | 1506 |
| Fiction.LiveBench | 83.3% | — |

## Writing & Preference

- Claude 3.7 Sonnet: 54.6 (#145)
- Gemini 3.8 Flash: 72.1 (#16)

| Benchmark | Claude 3.7 Sonnet | Gemini 3.8 Flash |
|---|---|---|
| LMArena Text | 1314 | 1494 |
| LMArena Creative Writing | 1332 | 1485 |
| EQ-Bench Creative Writing | 1412 | 1748 |
| LMArena Multi-Turn | 1339 | 1503 |
| Short-Story Creative Writing | 81.1% | — |
| WildBench | 81.4% | — |
| LiveBench Language | 59.9% | — |

## FAQ

### Is Claude 3.7 Sonnet better than Gemini 3.8 Flash?

Gemini 3.8 Flash is the stronger model overall, scoring 59.5 to 39.4 on the Noometry Index.

### Is Claude 3.7 Sonnet or Gemini 3.8 Flash better for coding?

Gemini 3.8 Flash scores higher on coding benchmarks: 56.4 versus 41.1 in the Noometry coding category.

### How many benchmarks do Claude 3.7 Sonnet and Gemini 3.8 Flash share?

23 benchmarks have published results for both models. Claude 3.7 Sonnet has 58 scored results on Noometry and Gemini 3.8 Flash has 46.