# Claude 3 Opus vs Llama 3-70B

> Claude 3 Opus and Llama 3-70B score almost the same on the Noometry Index (29.3 vs 28.5), so choose on price, context window or the category you care about most.

- Canonical page: https://noometry.com/compare/claude-3-opus-vs-llama-3-70b
- Last updated: 2026-10-10
- Shared benchmarks: 30

## Summary

- They share 30 benchmarks with published results for both. Claude 3 Opus scores higher in 7 categories and Llama 3-70B in 2 categories; 9 gaps are clear of the uncertainty.
- The widest gap is in multilingual, where Claude 3 Opus leads 41.6 to 33.8.
- The biggest single-benchmark swing is MATH Level 5: 37.5% for Claude 3 Opus and 22.6% for Llama 3-70B.
- Llama 3-70B has downloadable open weights; the other is API-only.

## Snapshot

| | Claude 3 Opus | Llama 3-70B |
|---|---|---|
| Provider | Anthropic | Meta |
| Noometry Index | 29.3 | 28.5 |
| Rank | 300 | 317 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Proprietary | Open |

## Coding

- Claude 3 Opus: 32.4 (#261)
- Llama 3-70B: 35.3 (#215)

| Benchmark | Claude 3 Opus | Llama 3-70B |
|---|---|---|
| BigCodeBench Instruct | 45.5% | 43.6% |
| LMArena Coding | 1264 | 1206 |
| BigCodeBench Complete | 57.4% | 54.5% |
| HumanEval+ | 77.4% | 72% |
| MBPP+ | 73.3% | 69% |
| WeirdML | 19.2% | — |
| LiveBench Coding | 38.6% | — |

## Agentic & Tool Use

- Claude 3 Opus: 24.3 (#110)
- Llama 3-70B: 20.9 (#132)

| Benchmark | Claude 3 Opus | Llama 3-70B |
|---|---|---|
| Cybench | 10% | 5% |
| METR Time Horizons | 29.5% | — |

## Reasoning

- Claude 3 Opus: 14.2 (#318)
- Llama 3-70B: 17.4 (#284)

| Benchmark | Claude 3 Opus | Llama 3-70B |
|---|---|---|
| LMArena Hard Prompts | 1246 | 1195 |
| DTBench | 61.6% | 54.2% |
| Epoch Capabilities Index | 126.91 | 122.91 |
| ForecastBench | 58.4 | 57.1 |
| WinoGrande | 88.5% | 83.5% |
| SimpleBench | 23.5% | — |
| Kagi LLM Benchmark | — | 35.1% |
| Chess Puzzles | 5% | — |
| EnigmaEval | 0.8% | — |
| LiveBench Reasoning | 40.6% | — |
| LiveBench Data Analysis | 57.9% | — |
| LMCA | 17% | — |
| LiveBench | 49.2% | — |

## Math

- Claude 3 Opus: 13.9 (#293)
- Llama 3-70B: 12.0 (#299)

| Benchmark | Claude 3 Opus | Llama 3-70B |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 4.7% | 4.3% |
| LMArena Math | 1273 | 1218 |
| MATH Level 5 | 37.5% | 22.6% |
| LiveBench Math | 43.6% | — |

## Knowledge

- Claude 3 Opus: 24.5 (#262)
- Llama 3-70B: 20.8 (#272)

| Benchmark | Claude 3 Opus | Llama 3-70B |
|---|---|---|
| GPQA Diamond | 47.2% | 40.6% |
| LMArena Expert | 1223 | 1149 |
| MMLU | 84.6% | 79.3% |
| SimpleQA Verified | 12.6% | — |
| Confabulations | 22.7% | — |

## Multimodal

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

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

## Multilingual

- Claude 3 Opus: 41.6 (#202)
- Llama 3-70B: 33.8 (#246)

| Benchmark | Claude 3 Opus | Llama 3-70B |
|---|---|---|
| LMArena Non-English | 1258 | 1142 |
| LMArena Chinese | 1248 | 1114 |
| LMArena French | 1274 | 1231 |
| LMArena German | 1258 | 1169 |
| LMArena Japanese | 1204 | 1017 |
| LMArena Korean | 1187 | 1017 |
| LMArena Russian | 1280 | 1159 |
| LMArena Spanish | 1246 | 1241 |

## Instruction Following

- Claude 3 Opus: 64.3 (#223)
- Llama 3-70B: 62.8 (#233)

| Benchmark | Claude 3 Opus | Llama 3-70B |
|---|---|---|
| LMArena Instruction Following | 1248 | 1194 |
| LiveBench Instruction Following | 63.9% | — |

## Long Context

- Claude 3 Opus: 38.2 (#197)
- Llama 3-70B: 35.6 (#235)

| Benchmark | Claude 3 Opus | Llama 3-70B |
|---|---|---|
| LMArena Longer Query | 1259 | 1174 |

## Writing & Preference

- Claude 3 Opus: 47.4 (#208)
- Llama 3-70B: 43.0 (#225)

| Benchmark | Claude 3 Opus | Llama 3-70B |
|---|---|---|
| LMArena Text | 1262 | 1221 |
| LMArena Creative Writing | 1235 | 1210 |
| LMArena Multi-Turn | 1275 | 1223 |
| LiveBench Language | 50.4% | — |

## FAQ

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

Claude 3 Opus and Llama 3-70B score almost the same on the Noometry Index (29.3 vs 28.5), so choose on price, context window or the category you care about most.

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

Llama 3-70B scores higher on coding benchmarks: 35.3 versus 32.4 in the Noometry coding category.

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

30 benchmarks have published results for both models. Claude 3 Opus has 46 scored results on Noometry and Llama 3-70B has 31.