# Claude 3 Opus vs Gemini 3.6 Flash

> Gemini 3.6 Flash is the stronger model overall, scoring 54.1 to 29.3 on the Noometry Index.

- Canonical page: https://noometry.com/compare/claude-3-opus-vs-gemini-3-6-flash
- Last updated: 2026-10-10
- Shared benchmarks: 26

## Summary

- They share 26 benchmarks with published results for both. Claude 3 Opus scores higher in 0 categories and Gemini 3.6 Flash in 10 categories; 10 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Gemini 3.6 Flash leads 58.9 to 14.2.
- The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 4.7% for Claude 3 Opus and 94.2% for Gemini 3.6 Flash.

## Snapshot

| | Claude 3 Opus | Gemini 3.6 Flash |
|---|---|---|
| Provider | Anthropic | Google |
| Noometry Index | 29.3 | 54.1 |
| Rank | 300 | 30 |
| Context | — | 1.05M |
| Input $/M | — | $0.75 |
| Output $/M | — | $3.75 |
| Weights | Proprietary | Proprietary |

## Coding

- Claude 3 Opus: 32.4 (#261)
- Gemini 3.6 Flash: 49.6 (#45)

| Benchmark | Claude 3 Opus | Gemini 3.6 Flash |
|---|---|---|
| WeirdML | 19.2% | 56.1% |
| LMArena Coding | 1264 | 1492 |
| DeepSWE | — | 46.7% |
| FrontierCode | — | 34.4% |
| LMArena WebDev | — | 1536 |
| SciCode | — | 52.7% |
| BigCodeBench Instruct | 45.5% | — |
| LiveBench Coding | 38.6% | — |
| BigCodeBench Complete | 57.4% | — |
| ALE-Bench | — | 715.52 |
| HumanEval+ | 77.4% | — |
| MBPP+ | 73.3% | — |

## Agentic & Tool Use

- Claude 3 Opus: 24.3 (#110)
- Gemini 3.6 Flash: 32.4 (#56)

| Benchmark | Claude 3 Opus | Gemini 3.6 Flash |
|---|---|---|
| APEX-Agents | — | 46.9% |
| Cybench | 10% | — |
| GDP.pdf | — | 14% |
| METR Time Horizons | 29.5% | — |

## Reasoning

- Claude 3 Opus: 14.2 (#318)
- Gemini 3.6 Flash: 58.9 (#20)

| Benchmark | Claude 3 Opus | Gemini 3.6 Flash |
|---|---|---|
| Chess Puzzles | 5% | 43% |
| LMArena Hard Prompts | 1246 | 1486 |
| DTBench | 61.6% | 95.5% |
| LMCA | 17% | 44.9% |
| Epoch Capabilities Index | 126.91 | 154.36 |
| ARC-AGI-2 | — | 60.4% |
| SimpleBench | 23.5% | — |
| NYT Connections (extended) | — | 89% |
| ARC-AGI-1 | — | 91.2% |
| CritPt | — | 10.6% |
| EnigmaEval | 0.8% | — |
| LiveBench Reasoning | 40.6% | — |
| Mystery Game Puzzles | — | 30% |
| LiveBench Data Analysis | 57.9% | — |
| ForecastBench | 58.4 | — |
| LiveBench | 49.2% | — |
| WinoGrande | 88.5% | — |

## Math

- Claude 3 Opus: 13.9 (#293)
- Gemini 3.6 Flash: 57.0 (#33)

| Benchmark | Claude 3 Opus | Gemini 3.6 Flash |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 4.7% | 94.2% |
| LMArena Math | 1273 | 1504 |
| FrontierMath (Tiers 1-3) | — | 58.9% |
| FrontierMath Tier 4 | — | 22% |
| MathArena Final-Answer Competitions | — | 70.8% |
| ProofBench | — | 36% |
| LiveBench Math | 43.6% | — |
| MATH Level 5 | 37.5% | — |

## Knowledge

- Claude 3 Opus: 24.5 (#262)
- Gemini 3.6 Flash: 67.8 (#7)

| Benchmark | Claude 3 Opus | Gemini 3.6 Flash |
|---|---|---|
| GPQA Diamond | 47.2% | 94.1% |
| SimpleQA Verified | 12.6% | 66.2% |
| LMArena Expert | 1223 | 1489 |
| Confabulations | 22.7% | — |
| MMLU | 84.6% | — |

## Multimodal

- Claude 3 Opus: 26.6 (#112)
- Gemini 3.6 Flash: 38.7 (#55)

| Benchmark | Claude 3 Opus | Gemini 3.6 Flash |
|---|---|---|
| LMArena Vision | 1023 | 1297 |
| Blueprint-Bench 2 | — | 31.2% |
| Furniture Assembly | — | 23.3% |
| LMArena Document | — | 1456 |

## Multilingual

- Claude 3 Opus: 41.6 (#202)
- Gemini 3.6 Flash: 56.8 (#17)

| Benchmark | Claude 3 Opus | Gemini 3.6 Flash |
|---|---|---|
| LMArena Non-English | 1258 | 1470 |
| LMArena Chinese | 1248 | 1530 |
| LMArena French | 1274 | 1501 |
| LMArena German | 1258 | 1478 |
| LMArena Japanese | 1204 | 1477 |
| LMArena Korean | 1187 | 1435 |
| LMArena Russian | 1280 | 1490 |
| LMArena Spanish | 1246 | 1477 |

## Instruction Following

- Claude 3 Opus: 64.3 (#223)
- Gemini 3.6 Flash: 77.2 (#27)

| Benchmark | Claude 3 Opus | Gemini 3.6 Flash |
|---|---|---|
| LMArena Instruction Following | 1248 | 1467 |
| LiveBench Instruction Following | 63.9% | — |

## Long Context

- Claude 3 Opus: 38.2 (#197)
- Gemini 3.6 Flash: 45.1 (#47)

| Benchmark | Claude 3 Opus | Gemini 3.6 Flash |
|---|---|---|
| LMArena Longer Query | 1259 | 1475 |

## Writing & Preference

- Claude 3 Opus: 47.4 (#208)
- Gemini 3.6 Flash: 68.3 (#26)

| Benchmark | Claude 3 Opus | Gemini 3.6 Flash |
|---|---|---|
| LMArena Text | 1262 | 1478 |
| LMArena Creative Writing | 1235 | 1464 |
| LMArena Multi-Turn | 1275 | 1481 |
| EQ-Bench Creative Writing | — | 1604 |
| LiveBench Language | 50.4% | — |

## FAQ

### Is Claude 3 Opus better than Gemini 3.6 Flash?

Gemini 3.6 Flash is the stronger model overall, scoring 54.1 to 29.3 on the Noometry Index.

### Is Claude 3 Opus or Gemini 3.6 Flash better for coding?

Gemini 3.6 Flash scores higher on coding benchmarks: 49.6 versus 32.4 in the Noometry coding category.

### How many benchmarks do Claude 3 Opus and Gemini 3.6 Flash share?

26 benchmarks have published results for both models. Claude 3 Opus has 46 scored results on Noometry and Gemini 3.6 Flash has 46.