# Claude 3 Sonnet vs DeepSeek V4 Pro

> DeepSeek V4 Pro is the stronger model overall, scoring 54.2 to 28.8 on the Noometry Index.

- Canonical page: https://noometry.com/compare/claude-3-sonnet-vs-deepseek-v4-pro
- Last updated: 2026-10-10
- Shared benchmarks: 22

## Summary

- They share 22 benchmarks with published results for both. Claude 3 Sonnet scores higher in 0 categories and DeepSeek V4 Pro in 8 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in math, where DeepSeek V4 Pro leads 64.6 to 10.0.
- The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 2.5% for Claude 3 Sonnet and 98.6% for DeepSeek V4 Pro.
- DeepSeek V4 Pro has downloadable open weights; the other is API-only.

## Snapshot

| | Claude 3 Sonnet | DeepSeek V4 Pro |
|---|---|---|
| Provider | Anthropic | DeepSeek |
| Noometry Index | 28.8 | 54.2 |
| Rank | 311 | 28 |
| Context | — | 1M |
| Input $/M | — | $0.43 |
| Output $/M | — | $0.87 |
| Weights | Proprietary | Open |

## Coding

- Claude 3 Sonnet: 29.2 (#296)
- DeepSeek V4 Pro: 52.2 (#31)

| Benchmark | Claude 3 Sonnet | DeepSeek V4 Pro |
|---|---|---|
| WeirdML | 10.2% | 66.2% |
| LMArena Coding | 1223 | 1470 |
| SWE-bench Verified | — | 77.6% |
| FrontierCode | — | 28.6% |
| LMArena WebDev | — | 1582 |
| SciCode | — | 51% |
| BigCodeBench Instruct | 42.7% | — |
| BigCodeBench Complete | 53.8% | — |
| ALE-Bench | — | 1,403 |
| HumanEval+ | 64% | — |
| MBPP+ | 69.3% | — |

## Agentic & Tool Use

- Claude 3 Sonnet: —
- DeepSeek V4 Pro: 32.7 (#54)

| Benchmark | Claude 3 Sonnet | DeepSeek V4 Pro |
|---|---|---|
| APEX-Agents | — | 47.3% |
| Vending-Bench 2 | — | 3,285 |

## Reasoning

- Claude 3 Sonnet: 19.7 (#232)
- DeepSeek V4 Pro: 56.4 (#22)

| Benchmark | Claude 3 Sonnet | DeepSeek V4 Pro |
|---|---|---|
| LMArena Hard Prompts | 1197 | 1461 |
| DTBench | 53.6% | 93.9% |
| Epoch Capabilities Index | 120.69 | 155.39 |
| ARC-AGI-2 | — | 61.3% |
| Kagi LLM Benchmark | — | 53.5% |
| NYT Connections (extended) | — | 91.3% |
| ARC-AGI-1 | — | 90.5% |
| CritPt | — | 18% |
| Chess Puzzles | — | 47% |
| Mystery Game Puzzles | — | 43% |
| LMCA | — | 45.5% |
| Surface Evolver Bench | — | 40% |
| ForecastBench | — | 56.1 |
| WinoGrande | 75.1% | — |

## Math

- Claude 3 Sonnet: 10.0 (#305)
- DeepSeek V4 Pro: 64.6 (#24)

| Benchmark | Claude 3 Sonnet | DeepSeek V4 Pro |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 2.5% | 98.6% |
| LMArena Math | 1213 | 1455 |
| FrontierMath (Tiers 1-3) | — | 64.6% |
| FrontierMath Tier 4 | — | 26.8% |
| MathArena Final-Answer Competitions | — | 76.6% |
| ProofBench | — | 50% |
| MATH Level 5 | 18.2% | — |

## Knowledge

- Claude 3 Sonnet: 21.1 (#271)
- DeepSeek V4 Pro: 59.5 (#28)

| Benchmark | Claude 3 Sonnet | DeepSeek V4 Pro |
|---|---|---|
| GPQA Diamond | 40.6% | 91.7% |
| LMArena Expert | 1173 | 1463 |
| SimpleQA Verified | — | 52.9% |
| Vectara Hallucination Rate | — | 8.6% |
| MMLU | 75.9% | — |

## Multimodal

- Claude 3 Sonnet: 24.7 (#120)
- DeepSeek V4 Pro: —

| Benchmark | Claude 3 Sonnet | DeepSeek V4 Pro |
|---|---|---|
| LMArena Vision | 984 | — |

## Multilingual

- Claude 3 Sonnet: 38.0 (#229)
- DeepSeek V4 Pro: 54.5 (#44)

| Benchmark | Claude 3 Sonnet | DeepSeek V4 Pro |
|---|---|---|
| LMArena Non-English | 1205 | 1438 |
| LMArena Chinese | 1188 | 1486 |
| LMArena French | 1228 | 1473 |
| LMArena German | 1204 | 1458 |
| LMArena Japanese | 1131 | 1448 |
| LMArena Korean | 1128 | 1452 |
| LMArena Russian | 1227 | 1452 |
| LMArena Spanish | 1204 | 1457 |

## Instruction Following

- Claude 3 Sonnet: 63.1 (#230)
- DeepSeek V4 Pro: 76.3 (#44)

| Benchmark | Claude 3 Sonnet | DeepSeek V4 Pro |
|---|---|---|
| LMArena Instruction Following | 1200 | 1448 |

## Long Context

- Claude 3 Sonnet: 36.7 (#223)
- DeepSeek V4 Pro: 45.0 (#49)

| Benchmark | Claude 3 Sonnet | DeepSeek V4 Pro |
|---|---|---|
| LMArena Longer Query | 1211 | 1459 |
| CL-bench Life | — | 13.5% |

## Writing & Preference

- Claude 3 Sonnet: 42.3 (#233)
- DeepSeek V4 Pro: 65.6 (#45)

| Benchmark | Claude 3 Sonnet | DeepSeek V4 Pro |
|---|---|---|
| LMArena Text | 1218 | 1451 |
| LMArena Creative Writing | 1186 | 1446 |
| LMArena Multi-Turn | 1227 | 1467 |
| EQ-Bench Creative Writing | — | 1553 |
| EQ-Bench 4 | — | 1166 |

## FAQ

### Is Claude 3 Sonnet better than DeepSeek V4 Pro?

DeepSeek V4 Pro is the stronger model overall, scoring 54.2 to 28.8 on the Noometry Index.

### Is Claude 3 Sonnet or DeepSeek V4 Pro better for coding?

DeepSeek V4 Pro scores higher on coding benchmarks: 52.2 versus 29.2 in the Noometry coding category.

### How many benchmarks do Claude 3 Sonnet and DeepSeek V4 Pro share?

22 benchmarks have published results for both models. Claude 3 Sonnet has 30 scored results on Noometry and DeepSeek V4 Pro has 48.