# Claude Sonnet 4.6 vs Gemini 2.0 Flash (Feb 2025)

> Claude Sonnet 4.6 is the stronger model overall, scoring 50.1 to 34.8 on the Noometry Index.

- Canonical page: https://noometry.com/compare/claude-sonnet-4-6-vs-gemini-2-0-flash
- Last updated: 2026-10-10
- Shared benchmarks: 26

## Summary

- They share 26 benchmarks with published results for both. Claude Sonnet 4.6 scores higher in 10 categories and Gemini 2.0 Flash (Feb 2025) in 0 categories; 10 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Claude Sonnet 4.6 leads 46.1 to 15.2.
- The biggest single-benchmark swing is ARC-AGI-2: 60.4% for Claude Sonnet 4.6 and 1.3% for Gemini 2.0 Flash (Feb 2025).

## Snapshot

| | Claude Sonnet 4.6 | Gemini 2.0 Flash (Feb 2025) |
|---|---|---|
| Provider | Anthropic | Google |
| Noometry Index | 50.1 | 34.8 |
| Rank | 42 | 223 |
| Context | 1M | — |
| Input $/M | $3 | — |
| Output $/M | $15 | — |
| Weights | Proprietary | Proprietary |

## Coding

- Claude Sonnet 4.6: 46.0 (#62)
- Gemini 2.0 Flash (Feb 2025): 28.2 (#308)

| Benchmark | Claude Sonnet 4.6 | Gemini 2.0 Flash (Feb 2025) |
|---|---|---|
| WeirdML | 66.1% | 25.8% |
| LMArena Coding | 1504 | 1351 |
| SWE-bench Verified | 75.2% | — |
| DeepSWE | 29.9% | — |
| FrontierCode | 24.3% | — |
| SWE-bench Verified (bash only) | — | 13.5% |
| Aider Polyglot | — | 38.2% |
| LMArena WebDev | 1521 | — |
| SciCode | 46.8% | — |
| BigCodeBench Instruct | — | 45.9% |
| LiveBench Coding | — | 63.4% |
| BigCodeBench Complete | — | 59.9% |
| CadEval | — | 30% |
| ALE-Bench | 1,327 | — |

## Agentic & Tool Use

- Claude Sonnet 4.6: 39.1 (#26)
- Gemini 2.0 Flash (Feb 2025): 28.0 (#85)

| Benchmark | Claude Sonnet 4.6 | Gemini 2.0 Flash (Feb 2025) |
|---|---|---|
| Terminal-Bench | 53.4% | — |
| APEX-Agents | 43% | — |
| OSWorld 2.0 | 9.3% | — |
| TheAgentCompany | — | 11.4% |
| DeepResearch Bench | 54.9% | — |
| OSWorld | 72.1% | — |
| ExploitBench | 23.6% | — |
| GBAEval | 48.8% | — |
| GDP.pdf | 18% | — |
| LMArena Search | 1221 | — |
| Vending-Bench 2 | 7,204 | — |

## Reasoning

- Claude Sonnet 4.6: 46.1 (#40)
- Gemini 2.0 Flash (Feb 2025): 15.2 (#308)

| Benchmark | Claude Sonnet 4.6 | Gemini 2.0 Flash (Feb 2025) |
|---|---|---|
| ARC-AGI-2 | 60.4% | 1.3% |
| LMArena Hard Prompts | 1485 | 1346 |
| DTBench | 89.9% | 63.2% |
| Epoch Capabilities Index | 152.25 | 135.36 |
| SimpleBench | — | 31.1% |
| Kagi LLM Benchmark | — | 37.8% |
| NYT Connections (extended) | 80.9% | — |
| ARC-AGI-1 | 86.5% | — |
| CritPt | 3.1% | — |
| Chess Puzzles | 13% | — |
| EnigmaEval | — | 1.1% |
| Thematic Generalization | 76.3% | — |
| LiveBench Reasoning | — | 78.2% |
| Mystery Game Puzzles | 16% | — |
| LiveBench Data Analysis | — | 69.4% |
| LMCA | 46.5% | — |
| ForecastBench | 62 | — |
| LiveBench | — | 66.9% |

## Math

- Claude Sonnet 4.6: 51.9 (#41)
- Gemini 2.0 Flash (Feb 2025): 36.1 (#127)

| Benchmark | Claude Sonnet 4.6 | Gemini 2.0 Flash (Feb 2025) |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 85.8% | 57.8% |
| LMArena Math | 1463 | 1351 |
| FrontierMath (Feb 2025 set) | 32.4% | 1.7% |
| ProofBench | 45% | — |
| Omni-MATH | — | 45.9% |
| LiveBench Math | — | 75.8% |
| MATH Level 5 | — | 82.2% |
| FrontierMath Tier 4 (v1) | 8.3% | — |

## Knowledge

- Claude Sonnet 4.6: 51.6 (#60)
- Gemini 2.0 Flash (Feb 2025): 32.0 (#207)

| Benchmark | Claude Sonnet 4.6 | Gemini 2.0 Flash (Feb 2025) |
|---|---|---|
| GPQA Diamond | 87.4% | 64.1% |
| LMArena Expert | 1500 | 1340 |
| Humanity's Last Exam | — | 6.6% |
| SimpleQA Verified | 35.5% | — |
| MMLU-Pro | — | 73.7% |
| Confabulations | — | 12.4% |
| Vectara Hallucination Rate | 10.6% | — |
| GPQA (HELM) | — | 55.6% |
| MMLU | — | 79.7% |

## Multimodal

- Claude Sonnet 4.6: 38.0 (#61)
- Gemini 2.0 Flash (Feb 2025): 35.9 (#74)

| Benchmark | Claude Sonnet 4.6 | Gemini 2.0 Flash (Feb 2025) |
|---|---|---|
| LMArena Vision | 1283 | 1158 |
| GeoBench | — | 77% |
| Blueprint-Bench 2 | 6.7% | — |
| LMArena Document | 1482 | — |

## Multilingual

- Claude Sonnet 4.6: 54.6 (#39)
- Gemini 2.0 Flash (Feb 2025): 47.6 (#144)

| Benchmark | Claude Sonnet 4.6 | Gemini 2.0 Flash (Feb 2025) |
|---|---|---|
| LMArena Non-English | 1440 | 1342 |
| LMArena Chinese | 1491 | 1373 |
| LMArena French | 1465 | 1390 |
| LMArena German | 1428 | 1354 |
| LMArena Japanese | 1419 | 1293 |
| LMArena Korean | 1411 | 1314 |
| LMArena Russian | 1440 | 1351 |
| LMArena Spanish | 1465 | 1363 |

## Instruction Following

- Claude Sonnet 4.6: 77.6 (#23)
- Gemini 2.0 Flash (Feb 2025): 74.6 (#91)

| Benchmark | Claude Sonnet 4.6 | Gemini 2.0 Flash (Feb 2025) |
|---|---|---|
| LMArena Instruction Following | 1476 | 1336 |
| LiveBench Instruction Following | — | 85.8% |
| IFEval | — | 84.1% |

## Long Context

- Claude Sonnet 4.6: 45.3 (#40)
- Gemini 2.0 Flash (Feb 2025): 38.1 (#198)

| Benchmark | Claude Sonnet 4.6 | Gemini 2.0 Flash (Feb 2025) |
|---|---|---|
| LMArena Longer Query | 1479 | 1345 |
| Fiction.LiveBench | — | 61.1% |

## Writing & Preference

- Claude Sonnet 4.6: 70.4 (#22)
- Gemini 2.0 Flash (Feb 2025): 49.8 (#184)

| Benchmark | Claude Sonnet 4.6 | Gemini 2.0 Flash (Feb 2025) |
|---|---|---|
| LMArena Text | 1458 | 1354 |
| LMArena Creative Writing | 1435 | 1340 |
| EQ-Bench Creative Writing | 1810 | 1128 |
| LMArena Multi-Turn | 1464 | 1350 |
| Short-Story Creative Writing | — | 73.8% |
| WildBench | — | 80% |
| EQ-Bench 4 | 1207 | — |
| LiveBench Language | — | 51.3% |

## FAQ

### Is Claude Sonnet 4.6 better than Gemini 2.0 Flash (Feb 2025)?

Claude Sonnet 4.6 is the stronger model overall, scoring 50.1 to 34.8 on the Noometry Index.

### Is Claude Sonnet 4.6 or Gemini 2.0 Flash (Feb 2025) better for coding?

Claude Sonnet 4.6 scores higher on coding benchmarks: 46.0 versus 28.2 in the Noometry coding category.

### How many benchmarks do Claude Sonnet 4.6 and Gemini 2.0 Flash (Feb 2025) share?

26 benchmarks have published results for both models. Claude Sonnet 4.6 has 57 scored results on Noometry and Gemini 2.0 Flash (Feb 2025) has 54.