# Claude Opus 4.6 vs Gemini 3 Pro

> Claude Opus 4.6 is the stronger model overall, scoring 58.2 to 54.8 on the Noometry Index.

- Canonical page: https://noometry.com/compare/claude-opus-4-6-vs-gemini-3-pro
- Last updated: 2026-10-12
- Shared benchmarks: 53

## Summary

- They share 53 benchmarks with published results for both. Claude Opus 4.6 scores higher in 8 categories and Gemini 3 Pro in 2 categories; 10 gaps are clear of the uncertainty.
- The widest gap is in multimodal, where Gemini 3 Pro leads 57.6 to 37.3.
- The biggest single-benchmark swing is ARC-AGI-2: 69.2% for Claude Opus 4.6 and 31.1% for Gemini 3 Pro.

## Snapshot

| | Claude Opus 4.6 | Gemini 3 Pro |
|---|---|---|
| Provider | Anthropic | Google |
| Noometry Index | 58.2 | 54.8 |
| Rank | 20 | 28 |
| Context | 1M | — |
| Input $/M | $5 | — |
| Output $/M | $25 | — |
| Weights | Proprietary | Proprietary |

## Coding

- Claude Opus 4.6: 57.2 (#20)
- Gemini 3 Pro: 51.6 (#39)

| Benchmark | Claude Opus 4.6 | Gemini 3 Pro |
|---|---|---|
| SWE-bench Verified | 78.7% | 72.9% |
| SWE-bench Verified (bash only) | 75.6% | 74.2% |
| LMArena WebDev | 1547 | 1440 |
| SWE-bench Multilingual | 72% | 68.7% |
| GSO | 41.2% | 18.6% |
| WeirdML | 78% | 69.9% |
| LMArena Coding | 1536 | 1481 |
| ALE-Bench | 996.5 | 1,177 |
| AlgoTune | 1.47 | 1.83 |
| FrontierCode | 26.6% | — |

## Agentic & Tool Use

- Claude Opus 4.6: 51.1 (#4)
- Gemini 3 Pro: 40.6 (#23)

| Benchmark | Claude Opus 4.6 | Gemini 3 Pro |
|---|---|---|
| Terminal-Bench | 79.8% | 69.4% |
| Remote Labor Index | 4.2% | 1.3% |
| τ²-bench Banking | 27.3% | 18% |
| DeepResearch Bench | 55.3% | 46.3% |
| LMArena Search | 1253 | 1207 |
| METR Time Horizons | 78.9% | 71% |
| Vending-Bench 2 | 8,018 | 5,478 |
| APEX-Agents | 46.3% | — |
| Berkeley Function Calling Leaderboard | — | 72.5% |
| GDPval | — | 40.3% |
| τ²-bench Airline | — | 80.5% |
| τ²-bench Retail | — | 75.9% |
| τ²-bench Telecom | — | 91% |
| Cybench | 93% | — |
| BALROG | — | 58.1% |
| GBAEval | 44.1% | — |

## Reasoning

- Claude Opus 4.6: 57.8 (#23)
- Gemini 3 Pro: 52.5 (#31)

| Benchmark | Claude Opus 4.6 | Gemini 3 Pro |
|---|---|---|
| ARC-AGI-2 | 69.2% | 31.1% |
| SimpleBench | 67.6% | 76.4% |
| Kagi LLM Benchmark | 83.6% | 80.1% |
| NYT Connections (extended) | 92.1% | 94.4% |
| ARC-AGI-1 | 94% | 75% |
| Chess Puzzles | 17% | 31% |
| EnigmaEval | 7.6% | 18.2% |
| LMArena Hard Prompts | 1527 | 1480 |
| Epoch Capabilities Index | 155.24 | 152.92 |
| ForecastBench | 60 | 61.2 |
| CritPt | — | 6.9% |
| Thematic Generalization | 80.6% | — |
| EBR-Bench | 12.7% | — |
| Mystery Game Puzzles | 25% | — |
| DTBench | 91.2% | — |
| LMCA | 55.8% | — |

## Math

- Claude Opus 4.6: 63.0 (#31)
- Gemini 3 Pro: 49.9 (#59)

| Benchmark | Claude Opus 4.6 | Gemini 3 Pro |
|---|---|---|
| MathArena Final-Answer Competitions | 78.5% | 67% |
| OTIS Mock AIME 2024-2025 | 94.4% | 91.4% |
| ProofBench | 50% | 20% |
| LMArena Math | 1519 | 1476 |
| FrontierMath (Feb 2025 set) | 40.7% | 37.6% |
| FrontierMath Tier 4 (v1) | 22.9% | 18.8% |
| FrontierMath (Tiers 1-3) | 66% | — |
| FrontierMath Tier 4 | 26.8% | — |
| Omni-MATH | — | 55.5% |

## Knowledge

- Claude Opus 4.6: 61.9 (#26)
- Gemini 3 Pro: 64.4 (#16)

| Benchmark | Claude Opus 4.6 | Gemini 3 Pro |
|---|---|---|
| GPQA Diamond | 90.5% | 92.6% |
| Humanity's Last Exam | 34.4% | 37.5% |
| Vectara Hallucination Rate | 12.2% | 13.6% |
| LMArena Expert | 1546 | 1475 |
| SimpleQA Verified | 47% | — |
| MMLU-Pro | — | 90.3% |
| GPQA (HELM) | — | 80.3% |

## Multimodal

- Claude Opus 4.6: 37.3 (#74)
- Gemini 3 Pro: 57.6 (#2)

| Benchmark | Claude Opus 4.6 | Gemini 3 Pro |
|---|---|---|
| LMArena Vision | 1316 | 1305 |
| LMArena Document | 1507 | 1434 |
| GeoBench | — | 84% |
| VPCT | — | 91% |
| Furniture Assembly | 28.3% | — |

## Multilingual

- Claude Opus 4.6: 57.9 (#6)
- Gemini 3 Pro: 56.9 (#16)

| Benchmark | Claude Opus 4.6 | Gemini 3 Pro |
|---|---|---|
| LMArena Non-English | 1489 | 1474 |
| LMArena Chinese | 1551 | 1523 |
| LMArena French | 1513 | 1492 |
| LMArena German | 1502 | 1515 |
| LMArena Japanese | 1484 | 1510 |
| LMArena Korean | 1464 | 1448 |
| LMArena Russian | 1497 | 1493 |
| LMArena Spanish | 1510 | 1470 |

## Instruction Following

- Claude Opus 4.6: 79.5 (#4)
- Gemini 3 Pro: 76.3 (#45)

| Benchmark | Claude Opus 4.6 | Gemini 3 Pro |
|---|---|---|
| LMArena Instruction Following | 1523 | 1458 |
| IFEval | — | 87.7% |

## Long Context

- Claude Opus 4.6: 48.1 (#13)
- Gemini 3 Pro: 44.0 (#79)

| Benchmark | Claude Opus 4.6 | Gemini 3 Pro |
|---|---|---|
| CL-bench | 20.7% | 15.8% |
| LMArena Longer Query | 1520 | 1471 |
| CL-bench Life | 17% | — |

## Writing & Preference

- Claude Opus 4.6: 73.5 (#10)
- Gemini 3 Pro: 66.4 (#35)

| Benchmark | Claude Opus 4.6 | Gemini 3 Pro |
|---|---|---|
| LMArena Text | 1503 | 1479 |
| LMArena Creative Writing | 1505 | 1482 |
| EQ-Bench Creative Writing | 1809 | 1525 |
| LMArena Multi-Turn | 1513 | 1484 |
| WildBench | — | 85.9% |
| EQ-Bench 4 | 1223 | — |

## FAQ

### Is Claude Opus 4.6 better than Gemini 3 Pro?

Claude Opus 4.6 is the stronger model overall, scoring 58.2 to 54.8 on the Noometry Index.

### Is Claude Opus 4.6 or Gemini 3 Pro better for coding?

Claude Opus 4.6 scores higher on coding benchmarks: 57.2 versus 51.6 in the Noometry coding category.

### How many benchmarks do Claude Opus 4.6 and Gemini 3 Pro share?

53 benchmarks have published results for both models. Claude Opus 4.6 has 68 scored results on Noometry and Gemini 3 Pro has 67.