# Claude Sonnet 5 vs Gemini 2.0 Flash (Feb 2025)

> Claude Sonnet 5 is the stronger model overall, scoring 54.6 to 35.1 on the Noometry Index.

- Canonical page: https://noometry.com/compare/claude-sonnet-5-vs-gemini-2-0-flash
- Last updated: 2026-10-10
- Shared benchmarks: 25

## Summary

- They share 25 benchmarks with published results for both. Claude Sonnet 5 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 5 leads 49.1 to 15.2.
- The biggest single-benchmark swing is WeirdML: 68.8% for Claude Sonnet 5 and 25.8% for Gemini 2.0 Flash (Feb 2025).

## Snapshot

| | Claude Sonnet 5 | Gemini 2.0 Flash (Feb 2025) |
|---|---|---|
| Provider | Anthropic | Google |
| Noometry Index | 54.6 | 35.1 |
| Rank | 29 | 228 |
| Context | 1M | — |
| Input $/M | $2 | — |
| Output $/M | $10 | — |
| Weights | Proprietary | Proprietary |

## Coding

- Claude Sonnet 5: 55.5 (#26)
- Gemini 2.0 Flash (Feb 2025): 28.4 (#315)

| Benchmark | Claude Sonnet 5 | Gemini 2.0 Flash (Feb 2025) |
|---|---|---|
| WeirdML | 68.8% | 25.8% |
| LMArena Coding | 1483 | 1350 |
| DeepSWE | 53.8% | — |
| FrontierCode | 42.7% | — |
| SWE-bench Verified (bash only) | — | 13.5% |
| Aider Polyglot | — | 38.2% |
| CursorBench | 34.1% | — |
| LMArena WebDev | 1541 | — |
| SciCode | 54.3% | — |
| GSO | 37.3% | — |
| BigCodeBench Instruct | — | 45.9% |
| LiveBench Coding | — | 63.4% |
| BigCodeBench Complete | — | 59.9% |
| CadEval | — | 30% |
| ALE-Bench | 1,463 | — |

## Agentic & Tool Use

- Claude Sonnet 5: 42.8 (#18)
- Gemini 2.0 Flash (Feb 2025): 28.1 (#92)

| Benchmark | Claude Sonnet 5 | Gemini 2.0 Flash (Feb 2025) |
|---|---|---|
| APEX-Agents | 54.5% | — |
| TheAgentCompany | — | 11.4% |
| GBAEval | 65.3% | — |
| LMArena Search | 1194 | — |
| Vending-Bench 2 | 6,378 | — |

## Reasoning

- Claude Sonnet 5: 49.1 (#39)
- Gemini 2.0 Flash (Feb 2025): 15.2 (#318)

| Benchmark | Claude Sonnet 5 | Gemini 2.0 Flash (Feb 2025) |
|---|---|---|
| SimpleBench | 60.6% | 31.1% |
| LMArena Hard Prompts | 1461 | 1346 |
| DTBench | 92.5% | 63.2% |
| Epoch Capabilities Index | 156.21 | 135.36 |
| ARC-AGI-2 | — | 1.3% |
| Kagi LLM Benchmark | — | 37.8% |
| NYT Connections (extended) | 75.1% | — |
| CritPt | 16.9% | — |
| Chess Puzzles | 35% | — |
| EnigmaEval | — | 1.1% |
| LiveBench Reasoning | — | 78.2% |
| Mystery Game Puzzles | 35% | — |
| LiveBench Data Analysis | — | 69.4% |
| LMCA | 50% | — |
| Surface Evolver Bench | 60% | — |
| Bench to the Future 3 | 0.14 | — |
| ForecastBench | 61.1 | — |
| LiveBench | — | 66.9% |

## Math

- Claude Sonnet 5: 66.2 (#27)
- Gemini 2.0 Flash (Feb 2025): 37.9 (#146)

| Benchmark | Claude Sonnet 5 | Gemini 2.0 Flash (Feb 2025) |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 94.7% | 57.8% |
| LMArena Math | 1467 | 1352 |
| FrontierMath (Tiers 1-3) | 65.6% | — |
| FrontierMath Tier 4 | 29.3% | — |
| ProofBench | 77% | — |
| Omni-MATH | — | 45.9% |
| LiveBench Math | — | 75.8% |
| MATH Level 5 | — | 82.2% |
| FrontierMath (Feb 2025 set) | — | 1.7% |

## Knowledge

- Claude Sonnet 5: 55.6 (#47)
- Gemini 2.0 Flash (Feb 2025): 32.0 (#213)

| Benchmark | Claude Sonnet 5 | Gemini 2.0 Flash (Feb 2025) |
|---|---|---|
| GPQA Diamond | 90.5% | 64.1% |
| LMArena Expert | 1490 | 1339 |
| Humanity's Last Exam | — | 6.6% |
| SimpleQA Verified | 33.7% | — |
| MMLU-Pro | — | 73.7% |
| Confabulations | — | 12.4% |
| GPQA (HELM) | — | 55.6% |
| MMLU | — | 79.7% |

## Multimodal

- Claude Sonnet 5: 42.4 (#31)
- Gemini 2.0 Flash (Feb 2025): 36.5 (#79)

| Benchmark | Claude Sonnet 5 | Gemini 2.0 Flash (Feb 2025) |
|---|---|---|
| LMArena Vision | 1274 | 1158 |
| GeoBench | — | 77% |
| Blueprint-Bench 2 | 24.9% | — |
| LMArena Document | 1466 | — |

## Multilingual

- Claude Sonnet 5: 53.8 (#55)
- Gemini 2.0 Flash (Feb 2025): 47.4 (#149)

| Benchmark | Claude Sonnet 5 | Gemini 2.0 Flash (Feb 2025) |
|---|---|---|
| LMArena Non-English | 1431 | 1342 |
| LMArena Chinese | 1477 | 1373 |
| LMArena French | 1460 | 1391 |
| LMArena German | 1440 | 1353 |
| LMArena Japanese | 1422 | 1294 |
| LMArena Korean | 1411 | 1313 |
| LMArena Russian | 1451 | 1351 |
| LMArena Spanish | 1437 | 1363 |

## Instruction Following

- Claude Sonnet 5: 76.3 (#41)
- Gemini 2.0 Flash (Feb 2025): 74.4 (#97)

| Benchmark | Claude Sonnet 5 | Gemini 2.0 Flash (Feb 2025) |
|---|---|---|
| LMArena Instruction Following | 1452 | 1336 |
| LiveBench Instruction Following | — | 85.8% |
| IFEval | — | 84.1% |

## Long Context

- Claude Sonnet 5: 44.8 (#55)
- Gemini 2.0 Flash (Feb 2025): 38.1 (#203)

| Benchmark | Claude Sonnet 5 | Gemini 2.0 Flash (Feb 2025) |
|---|---|---|
| LMArena Longer Query | 1463 | 1344 |
| Fiction.LiveBench | — | 61.1% |

## Writing & Preference

- Claude Sonnet 5: 69.2 (#25)
- Gemini 2.0 Flash (Feb 2025): 49.5 (#190)

| Benchmark | Claude Sonnet 5 | Gemini 2.0 Flash (Feb 2025) |
|---|---|---|
| LMArena Text | 1442 | 1354 |
| LMArena Creative Writing | 1416 | 1340 |
| EQ-Bench Creative Writing | 1794 | 1128 |
| LMArena Multi-Turn | 1454 | 1350 |
| Short-Story Creative Writing | — | 73.8% |
| WildBench | — | 80% |
| EQ-Bench 4 | 1236 | — |
| LiveBench Language | — | 51.3% |

## FAQ

### Is Claude Sonnet 5 better than Gemini 2.0 Flash (Feb 2025)?

Claude Sonnet 5 is the stronger model overall, scoring 54.6 to 35.1 on the Noometry Index.

### Is Claude Sonnet 5 or Gemini 2.0 Flash (Feb 2025) better for coding?

Claude Sonnet 5 scores higher on coding benchmarks: 55.5 versus 28.4 in the Noometry coding category.

### How many benchmarks do Claude Sonnet 5 and Gemini 2.0 Flash (Feb 2025) share?

25 benchmarks have published results for both models. Claude Sonnet 5 has 51 scored results on Noometry and Gemini 2.0 Flash (Feb 2025) has 54.