# Claude 3 Opus vs Grok 4.7

> Grok 4.7 is the stronger model overall, scoring 53.1 to 29.5 on the Noometry Index.

- Canonical page: https://noometry.com/compare/claude-3-opus-vs-grok-4-7
- Last updated: 2026-10-10
- Shared benchmarks: 22

## Summary

- They share 22 benchmarks with published results for both. Claude 3 Opus scores higher in 0 categories and Grok 4.7 in 10 categories; 10 gaps are clear of the uncertainty.
- The widest gap is in math, where Grok 4.7 leads 57.8 to 14.8.
- The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 4.7% for Claude 3 Opus and 98.1% for Grok 4.7.

## Snapshot

| | Claude 3 Opus | Grok 4.7 |
|---|---|---|
| Provider | Anthropic | xAI |
| Noometry Index | 29.5 | 53.1 |
| Rank | 310 | 37 |
| Context | — | 500K |
| Input $/M | — | $2 |
| Output $/M | — | $6 |
| Weights | Proprietary | Proprietary |

## Coding

- Claude 3 Opus: 32.9 (#267)
- Grok 4.7: 58.0 (#18)

| Benchmark | Claude 3 Opus | Grok 4.7 |
|---|---|---|
| LMArena Coding | 1264 | 1427 |
| FrontierCode | — | 47.6% |
| CursorBench | — | 46.3% |
| LMArena WebDev | — | 1639 |
| FrontierSWE | — | 29.5% |
| SciCode | — | 57.8% |
| WeirdML | 19.2% | — |
| BigCodeBench Instruct | 45.5% | — |
| LiveBench Coding | 38.6% | — |
| BigCodeBench Complete | 57.4% | — |
| HumanEval+ | 77.4% | — |
| MBPP+ | 73.3% | — |

## Agentic & Tool Use

- Claude 3 Opus: 24.6 (#116)
- Grok 4.7: 36.7 (#37)

| Benchmark | Claude 3 Opus | Grok 4.7 |
|---|---|---|
| APEX-Agents | — | 54.6% |
| Cybench | 10% | — |
| GDP.pdf | — | 22.8% |
| METR Time Horizons | 29.5% | — |
| Vending-Bench 2 | — | 10,537 |

## Reasoning

- Claude 3 Opus: 14.6 (#324)
- Grok 4.7: 49.1 (#40)

| Benchmark | Claude 3 Opus | Grok 4.7 |
|---|---|---|
| Chess Puzzles | 5% | 38% |
| LMArena Hard Prompts | 1245 | 1413 |
| DTBench | 61.6% | 96% |
| LMCA | 17% | 49.4% |
| Epoch Capabilities Index | 126.91 | 153.53 |
| SimpleBench | 23.5% | — |
| NYT Connections (extended) | — | 76.8% |
| CritPt | — | 18% |
| EnigmaEval | 0.8% | — |
| LiveBench Reasoning | 40.6% | — |
| Mystery Game Puzzles | — | 29% |
| LiveBench Data Analysis | 57.9% | — |
| ForecastBench | 58.4 | — |
| LiveBench | 49.2% | — |
| WinoGrande | 88.5% | — |

## Math

- Claude 3 Opus: 14.8 (#299)
- Grok 4.7: 57.8 (#39)

| Benchmark | Claude 3 Opus | Grok 4.7 |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 4.7% | 98.1% |
| LMArena Math | 1273 | 1407 |
| FrontierMath (Tiers 1-3) | — | 53% |
| FrontierMath Tier 4 | — | 17.1% |
| ProofBench | — | 34% |
| LiveBench Math | 43.6% | — |
| MATH Level 5 | 37.5% | — |

## Knowledge

- Claude 3 Opus: 24.5 (#267)
- Grok 4.7: 62.8 (#22)

| Benchmark | Claude 3 Opus | Grok 4.7 |
|---|---|---|
| GPQA Diamond | 47.2% | 92.7% |
| SimpleQA Verified | 12.6% | 56% |
| LMArena Expert | 1223 | 1422 |
| Confabulations | 22.7% | — |
| MMLU | 84.6% | — |

## Multimodal

- Claude 3 Opus: 27.1 (#116)
- Grok 4.7: 35.5 (#87)

| Benchmark | Claude 3 Opus | Grok 4.7 |
|---|---|---|
| LMArena Vision | 1023 | 1228 |
| Blueprint-Bench 2 | — | 32.5% |
| Furniture Assembly | — | 20.8% |

## Multilingual

- Claude 3 Opus: 41.4 (#207)
- Grok 4.7: 50.8 (#116)

| Benchmark | Claude 3 Opus | Grok 4.7 |
|---|---|---|
| LMArena Non-English | 1258 | 1389 |
| LMArena Chinese | 1248 | 1455 |
| LMArena French | 1275 | 1455 |
| LMArena Russian | 1280 | 1397 |
| LMArena Spanish | 1246 | 1400 |
| LMArena German | 1258 | — |
| LMArena Japanese | 1204 | — |
| LMArena Korean | 1187 | — |

## Instruction Following

- Claude 3 Opus: 64.1 (#228)
- Grok 4.7: 74.1 (#105)

| Benchmark | Claude 3 Opus | Grok 4.7 |
|---|---|---|
| LMArena Instruction Following | 1248 | 1404 |
| LiveBench Instruction Following | 63.9% | — |

## Long Context

- Claude 3 Opus: 38.2 (#202)
- Grok 4.7: 43.1 (#104)

| Benchmark | Claude 3 Opus | Grok 4.7 |
|---|---|---|
| LMArena Longer Query | 1259 | 1413 |

## Writing & Preference

- Claude 3 Opus: 47.2 (#213)
- Grok 4.7: 70.0 (#24)

| Benchmark | Claude 3 Opus | Grok 4.7 |
|---|---|---|
| LMArena Text | 1262 | 1399 |
| LMArena Creative Writing | 1235 | 1391 |
| LMArena Multi-Turn | 1275 | 1393 |
| EQ-Bench Creative Writing | — | 2007 |
| LiveBench Language | 50.4% | — |

## FAQ

### Is Claude 3 Opus better than Grok 4.7?

Grok 4.7 is the stronger model overall, scoring 53.1 to 29.5 on the Noometry Index.

### Is Claude 3 Opus or Grok 4.7 better for coding?

Grok 4.7 scores higher on coding benchmarks: 58.0 versus 32.9 in the Noometry coding category.

### How many benchmarks do Claude 3 Opus and Grok 4.7 share?

22 benchmarks have published results for both models. Claude 3 Opus has 46 scored results on Noometry and Grok 4.7 has 39.