# Claude 3 Sonnet vs DeepSeek LLM 67B

> Claude 3 Sonnet is the stronger model overall, scoring 28.8 to 24.8 on the Noometry Index.

- Canonical page: https://noometry.com/compare/claude-3-sonnet-vs-deepseek-llm-67b
- Last updated: 2026-10-10
- Shared benchmarks: 14

## Summary

- They share 14 benchmarks with published results for both. Claude 3 Sonnet scores higher in 7 categories and DeepSeek LLM 67B in 1 category; 8 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Claude 3 Sonnet leads 21.1 to 7.1.
- The biggest single-benchmark swing is GPQA Diamond: 40.6% for Claude 3 Sonnet and 24.6% for DeepSeek LLM 67B.
- DeepSeek LLM 67B has downloadable open weights; the other is API-only.

## Snapshot

| | Claude 3 Sonnet | DeepSeek LLM 67B |
|---|---|---|
| Provider | Anthropic | DeepSeek |
| Noometry Index | 28.8 | 24.8 |
| Rank | 311 | 341 |
| Context | — | — |
| Input $/M | — | — |
| Output $/M | — | — |
| Weights | Proprietary | Open |

## Coding

- Claude 3 Sonnet: 29.2 (#296)
- DeepSeek LLM 67B: 31.3 (#273)

| Benchmark | Claude 3 Sonnet | DeepSeek LLM 67B |
|---|---|---|
| LMArena Coding | 1223 | 1096 |
| WeirdML | 10.2% | — |
| BigCodeBench Instruct | 42.7% | — |
| BigCodeBench Complete | 53.8% | — |
| HumanEval+ | 64% | — |
| MBPP+ | 69.3% | — |

## Reasoning

- Claude 3 Sonnet: 19.7 (#232)
- DeepSeek LLM 67B: 15.9 (#300)

| Benchmark | Claude 3 Sonnet | DeepSeek LLM 67B |
|---|---|---|
| LMArena Hard Prompts | 1197 | 1070 |
| Epoch Capabilities Index | 120.69 | 110.54 |
| Chess Puzzles | — | 0% |
| DTBench | 53.6% | — |
| WinoGrande | 75.1% | — |

## Math

- Claude 3 Sonnet: 10.0 (#305)
- DeepSeek LLM 67B: 8.1 (#318)

| Benchmark | Claude 3 Sonnet | DeepSeek LLM 67B |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 2.5% | 0.8% |
| LMArena Math | 1213 | 1108 |
| MATH Level 5 | 18.2% | 6.4% |

## Knowledge

- Claude 3 Sonnet: 21.1 (#271)
- DeepSeek LLM 67B: 7.1 (#308)

| Benchmark | Claude 3 Sonnet | DeepSeek LLM 67B |
|---|---|---|
| GPQA Diamond | 40.6% | 24.6% |
| LMArena Expert | 1173 | — |
| MMLU | 75.9% | — |

## Multimodal

- Claude 3 Sonnet: 24.7 (#120)
- DeepSeek LLM 67B: —

| Benchmark | Claude 3 Sonnet | DeepSeek LLM 67B |
|---|---|---|
| LMArena Vision | 984 | — |

## Multilingual

- Claude 3 Sonnet: 38.0 (#229)
- DeepSeek LLM 67B: 29.5 (#262)

| Benchmark | Claude 3 Sonnet | DeepSeek LLM 67B |
|---|---|---|
| LMArena Non-English | 1205 | 1073 |
| LMArena Chinese | 1188 | 1132 |
| LMArena French | 1228 | — |
| LMArena German | 1204 | — |
| LMArena Japanese | 1131 | — |
| LMArena Korean | 1128 | — |
| LMArena Russian | 1227 | — |
| LMArena Spanish | 1204 | — |

## Instruction Following

- Claude 3 Sonnet: 63.1 (#230)
- DeepSeek LLM 67B: 55.7 (#272)

| Benchmark | Claude 3 Sonnet | DeepSeek LLM 67B |
|---|---|---|
| LMArena Instruction Following | 1200 | 1079 |

## Long Context

- Claude 3 Sonnet: 36.7 (#223)
- DeepSeek LLM 67B: 33.1 (#260)

| Benchmark | Claude 3 Sonnet | DeepSeek LLM 67B |
|---|---|---|
| LMArena Longer Query | 1211 | 1092 |

## Writing & Preference

- Claude 3 Sonnet: 42.3 (#233)
- DeepSeek LLM 67B: 31.8 (#277)

| Benchmark | Claude 3 Sonnet | DeepSeek LLM 67B |
|---|---|---|
| LMArena Text | 1218 | 1105 |
| LMArena Creative Writing | 1186 | 1067 |
| LMArena Multi-Turn | 1227 | 1082 |

## FAQ

### Is Claude 3 Sonnet better than DeepSeek LLM 67B?

Claude 3 Sonnet is the stronger model overall, scoring 28.8 to 24.8 on the Noometry Index.

### Is Claude 3 Sonnet or DeepSeek LLM 67B better for coding?

DeepSeek LLM 67B scores higher on coding benchmarks: 31.3 versus 29.2 in the Noometry coding category.

### How many benchmarks do Claude 3 Sonnet and DeepSeek LLM 67B share?

14 benchmarks have published results for both models. Claude 3 Sonnet has 30 scored results on Noometry and DeepSeek LLM 67B has 15.