# Claude 3 Sonnet vs Llama 3-70B

> Claude 3 Sonnet and Llama 3-70B score almost the same on the Noometry Index (28.8 vs 28.5), so choose on price, context window or the category you care about most.

- Canonical page: https://noometry.com/compare/claude-3-sonnet-vs-llama-3-70b
- Last updated: 2026-10-10
- Shared benchmarks: 28

## Summary

- They share 28 benchmarks with published results for both. Claude 3 Sonnet scores higher in 5 categories and Llama 3-70B in 3 categories; 5 gaps are clear of the uncertainty.
- The widest gap is in coding, where Llama 3-70B leads 35.3 to 29.2.
- Llama 3-70B has downloadable open weights; the other is API-only.

## Snapshot

| | Claude 3 Sonnet | Llama 3-70B |
|---|---|---|
| Provider | Anthropic | Meta |
| Noometry Index | 28.8 | 28.5 |
| Rank | 311 | 317 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Proprietary | Open |

## Coding

- Claude 3 Sonnet: 29.2 (#296)
- Llama 3-70B: 35.3 (#215)

| Benchmark | Claude 3 Sonnet | Llama 3-70B |
|---|---|---|
| BigCodeBench Instruct | 42.7% | 43.6% |
| LMArena Coding | 1223 | 1206 |
| BigCodeBench Complete | 53.8% | 54.5% |
| HumanEval+ | 64% | 72% |
| MBPP+ | 69.3% | 69% |
| WeirdML | 10.2% | — |

## Agentic & Tool Use

- Claude 3 Sonnet: —
- Llama 3-70B: 20.9 (#132)

| Benchmark | Claude 3 Sonnet | Llama 3-70B |
|---|---|---|
| Cybench | — | 5% |

## Reasoning

- Claude 3 Sonnet: 19.7 (#232)
- Llama 3-70B: 17.4 (#284)

| Benchmark | Claude 3 Sonnet | Llama 3-70B |
|---|---|---|
| LMArena Hard Prompts | 1197 | 1195 |
| DTBench | 53.6% | 54.2% |
| Epoch Capabilities Index | 120.69 | 122.91 |
| WinoGrande | 75.1% | 83.5% |
| Kagi LLM Benchmark | — | 35.1% |
| ForecastBench | — | 57.1 |

## Math

- Claude 3 Sonnet: 10.0 (#305)
- Llama 3-70B: 12.0 (#299)

| Benchmark | Claude 3 Sonnet | Llama 3-70B |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 2.5% | 4.3% |
| LMArena Math | 1213 | 1218 |
| MATH Level 5 | 18.2% | 22.6% |

## Knowledge

- Claude 3 Sonnet: 21.1 (#271)
- Llama 3-70B: 20.8 (#272)

| Benchmark | Claude 3 Sonnet | Llama 3-70B |
|---|---|---|
| GPQA Diamond | 40.6% | 40.6% |
| LMArena Expert | 1173 | 1149 |
| MMLU | 75.9% | 79.3% |

## Multimodal

- Claude 3 Sonnet: 24.7 (#120)
- Llama 3-70B: —

| Benchmark | Claude 3 Sonnet | Llama 3-70B |
|---|---|---|
| LMArena Vision | 984 | — |

## Multilingual

- Claude 3 Sonnet: 38.0 (#229)
- Llama 3-70B: 33.8 (#246)

| Benchmark | Claude 3 Sonnet | Llama 3-70B |
|---|---|---|
| LMArena Non-English | 1205 | 1142 |
| LMArena Chinese | 1188 | 1114 |
| LMArena French | 1228 | 1231 |
| LMArena German | 1204 | 1169 |
| LMArena Japanese | 1131 | 1017 |
| LMArena Korean | 1128 | 1017 |
| LMArena Russian | 1227 | 1159 |
| LMArena Spanish | 1204 | 1241 |

## Instruction Following

- Claude 3 Sonnet: 63.1 (#230)
- Llama 3-70B: 62.8 (#233)

| Benchmark | Claude 3 Sonnet | Llama 3-70B |
|---|---|---|
| LMArena Instruction Following | 1200 | 1194 |

## Long Context

- Claude 3 Sonnet: 36.7 (#223)
- Llama 3-70B: 35.6 (#235)

| Benchmark | Claude 3 Sonnet | Llama 3-70B |
|---|---|---|
| LMArena Longer Query | 1211 | 1174 |

## Writing & Preference

- Claude 3 Sonnet: 42.3 (#233)
- Llama 3-70B: 43.0 (#225)

| Benchmark | Claude 3 Sonnet | Llama 3-70B |
|---|---|---|
| LMArena Text | 1218 | 1221 |
| LMArena Creative Writing | 1186 | 1210 |
| LMArena Multi-Turn | 1227 | 1223 |

## FAQ

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

Claude 3 Sonnet and Llama 3-70B score almost the same on the Noometry Index (28.8 vs 28.5), so choose on price, context window or the category you care about most.

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

Llama 3-70B scores higher on coding benchmarks: 35.3 versus 29.2 in the Noometry coding category.

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

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