# Claude 3 Opus vs Llama 2-70B

> Claude 3 Opus is the stronger model overall, scoring 29.3 to 24.1 on the Noometry Index.

- Canonical page: https://noometry.com/compare/claude-3-opus-vs-llama-2-70b
- Last updated: 2026-10-10
- Shared benchmarks: 25

## Summary

- They share 25 benchmarks with published results for both. Claude 3 Opus scores higher in 8 categories and Llama 2-70B in 0 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Claude 3 Opus leads 24.5 to 7.4.
- The biggest single-benchmark swing is MATH Level 5: 37.5% for Claude 3 Opus and 3.3% for Llama 2-70B.
- Llama 2-70B has downloadable open weights; the other is API-only.

## Snapshot

| | Claude 3 Opus | Llama 2-70B |
|---|---|---|
| Provider | Anthropic | Meta |
| Noometry Index | 29.3 | 24.1 |
| Rank | 300 | 343 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Proprietary | Open |

## Coding

- Claude 3 Opus: 32.4 (#261)
- Llama 2-70B: 30.8 (#281)

| Benchmark | Claude 3 Opus | Llama 2-70B |
|---|---|---|
| LMArena Coding | 1264 | 1079 |
| 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: 24.3 (#110)
- Llama 2-70B: —

| Benchmark | Claude 3 Opus | Llama 2-70B |
|---|---|---|
| Cybench | 10% | — |
| METR Time Horizons | 29.5% | — |

## Reasoning

- Claude 3 Opus: 14.2 (#318)
- Llama 2-70B: 13.7 (#324)

| Benchmark | Claude 3 Opus | Llama 2-70B |
|---|---|---|
| LMArena Hard Prompts | 1246 | 1073 |
| DTBench | 61.6% | 41.6% |
| Epoch Capabilities Index | 126.91 | 113.59 |
| ForecastBench | 58.4 | 51.4 |
| WinoGrande | 88.5% | 80.2% |
| SimpleBench | 23.5% | — |
| Chess Puzzles | 5% | — |
| EnigmaEval | 0.8% | — |
| LiveBench Reasoning | 40.6% | — |
| LiveBench Data Analysis | 57.9% | — |
| LMCA | 17% | — |
| BIG-Bench Hard | — | 64.9% |
| CommonsenseQA 2.0 | — | 50% |
| HellaSwag | — | 85.3% |
| LAMBADA | — | 78.9% |
| LiveBench | 49.2% | — |
| PIQA | — | 82.8% |

## Math

- Claude 3 Opus: 13.9 (#293)
- Llama 2-70B: 7.5 (#320)

| Benchmark | Claude 3 Opus | Llama 2-70B |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 4.7% | 0% |
| LMArena Math | 1273 | 1091 |
| MATH Level 5 | 37.5% | 3.3% |
| LiveBench Math | 43.6% | — |
| GSM8K | — | 69.6% |

## Knowledge

- Claude 3 Opus: 24.5 (#262)
- Llama 2-70B: 7.4 (#305)

| Benchmark | Claude 3 Opus | Llama 2-70B |
|---|---|---|
| GPQA Diamond | 47.2% | 26.3% |
| LMArena Expert | 1223 | 1039 |
| MMLU | 84.6% | 69.9% |
| SimpleQA Verified | 12.6% | — |
| Confabulations | 22.7% | — |
| ARC (AI2) Challenge | — | 78.3% |
| BoolQ | — | 88.6% |
| OpenBookQA | — | 60.2% |
| TriviaQA | — | 87.6% |

## Multimodal

- Claude 3 Opus: 26.6 (#112)
- Llama 2-70B: —

| Benchmark | Claude 3 Opus | Llama 2-70B |
|---|---|---|
| LMArena Vision | 1023 | — |

## Multilingual

- Claude 3 Opus: 41.6 (#202)
- Llama 2-70B: 27.9 (#269)

| Benchmark | Claude 3 Opus | Llama 2-70B |
|---|---|---|
| LMArena Non-English | 1258 | 1045 |
| LMArena Chinese | 1248 | 994 |
| LMArena French | 1274 | 1089 |
| LMArena German | 1258 | 1041 |
| LMArena Japanese | 1204 | 927 |
| LMArena Korean | 1187 | 964 |
| LMArena Russian | 1280 | 1083 |
| LMArena Spanish | 1246 | 1142 |

## Instruction Following

- Claude 3 Opus: 64.3 (#223)
- Llama 2-70B: 55.1 (#273)

| Benchmark | Claude 3 Opus | Llama 2-70B |
|---|---|---|
| LMArena Instruction Following | 1248 | 1071 |
| LiveBench Instruction Following | 63.9% | — |

## Long Context

- Claude 3 Opus: 38.2 (#197)
- Llama 2-70B: 32.2 (#265)

| Benchmark | Claude 3 Opus | Llama 2-70B |
|---|---|---|
| LMArena Longer Query | 1259 | 1062 |

## Writing & Preference

- Claude 3 Opus: 47.4 (#208)
- Llama 2-70B: 32.5 (#274)

| Benchmark | Claude 3 Opus | Llama 2-70B |
|---|---|---|
| LMArena Text | 1262 | 1115 |
| LMArena Creative Writing | 1235 | 1075 |
| LMArena Multi-Turn | 1275 | 1088 |
| LiveBench Language | 50.4% | — |

## FAQ

### Is Claude 3 Opus better than Llama 2-70B?

Claude 3 Opus is the stronger model overall, scoring 29.3 to 24.1 on the Noometry Index.

### Is Claude 3 Opus or Llama 2-70B better for coding?

Claude 3 Opus scores higher on coding benchmarks: 32.4 versus 30.8 in the Noometry coding category.

### How many benchmarks do Claude 3 Opus and Llama 2-70B share?

25 benchmarks have published results for both models. Claude 3 Opus has 46 scored results on Noometry and Llama 2-70B has 35.