Model comparison
Claude 3.7 Sonnet vs DeepSeek-V3.1
DeepSeek-V3.1 is the stronger model overall, scoring 42.8 to 39.5 on the Noometry Index.
Last verified . 22 shared benchmarks.
DeepSeekSummary
- They share 22 benchmarks with published results for both. Claude 3.7 Sonnet scores higher in 2 categories and DeepSeek-V3.1 in 6 categories; 6 gaps are clear of the uncertainty.
- The widest gap is in long context, where Claude 3.7 Sonnet leads 50.3 to 36.3.
- The biggest single-benchmark swing is Fiction.LiveBench: 83.3% for Claude 3.7 Sonnet and 52.8% for DeepSeek-V3.1.
- DeepSeek-V3.1 has downloadable open weights; the other is API-only.
Side by side
| Claude 3.7 Sonnet | DeepSeek-V3.1 | |
|---|---|---|
| Provider | Anthropic | DeepSeek |
| Noometry Index | 39.5 | 42.8 |
| Released | 2025-02-24 | 2025-08-21 |
| Weights | Proprietary | Open |
| Context window | — | 164K |
| Max output | — | 8K |
| Input $ / M tokens | — | $0.25 |
| Output $ / M tokens | — | $0.95 |
| Results tracked | 58 | 27 |
Sponsored placements are available on pages like this one. Advertise on Noometry
Category by category
Coding Too close to call
Claude 3.7 Sonnet: 40.6 (#136), DeepSeek-V3.1: 40.3 (#144)
| Benchmark | Claude 3.7 Sonnet | DeepSeek-V3.1 |
|---|---|---|
| LMArena Coding | 1361 | 1417 |
| SWE-bench Verified | 61% | — |
| SWE-bench Verified (bash only) | 52.8% | — |
| Aider Polyglot | 64.9% | — |
| GSO | 3.8% | — |
| WeirdML | — | 38.4% |
| LiveBench Coding | 74.5% | — |
| CadEval | 54% | — |
Agentic & Tool Use Not comparable
Claude 3.7 Sonnet: 34.1 (#50), DeepSeek-V3.1: —
| Benchmark | Claude 3.7 Sonnet | DeepSeek-V3.1 |
|---|---|---|
| TheAgentCompany | 30.9% | — |
| Cybench | 20% | — |
| DeepResearch Bench | 43.6% | — |
| OSWorld | 35.8% | — |
| METR Time Horizons | 60% | — |
Reasoning DeepSeek-V3.1 leads
Claude 3.7 Sonnet: 18.6 (#277), DeepSeek-V3.1: 27.9 (#110)
| Benchmark | Claude 3.7 Sonnet | DeepSeek-V3.1 |
|---|---|---|
| SimpleBench | 46.4% | 40% |
| LMArena Hard Prompts | 1333 | 1417 |
| Epoch Capabilities Index | 141.16 | 139.92 |
| ForecastBench | 61.8 | 58 |
| ARC-AGI-2 | 0.9% | — |
| Kagi LLM Benchmark | — | 53.2% |
| ARC-AGI-1 | 28.6% | — |
| EnigmaEval | 4.2% | — |
| LiveBench Reasoning | 87.8% | — |
| DTBench | — | 82.7% |
| LiveBench Data Analysis | 74% | — |
| LMCA | — | 24.3% |
| LiveBench | 76.1% | — |
Math DeepSeek-V3.1 leads
Claude 3.7 Sonnet: 37.5 (#153), DeepSeek-V3.1: 38.9 (#122)
| Benchmark | Claude 3.7 Sonnet | DeepSeek-V3.1 |
|---|---|---|
| LMArena Math | 1337 | 1420 |
| OTIS Mock AIME 2024-2025 | 57.8% | — |
| Omni-MATH | 33% | — |
| LiveBench Math | 79% | — |
| MATH Level 5 | 91.2% | — |
| FrontierMath (Feb 2025 set) | 4.1% | — |
Knowledge DeepSeek-V3.1 leads
Claude 3.7 Sonnet: 39.8 (#130), DeepSeek-V3.1: 43.7 (#90)
| Benchmark | Claude 3.7 Sonnet | DeepSeek-V3.1 |
|---|---|---|
| LMArena Expert | 1321 | 1405 |
| GPQA Diamond | 79.7% | — |
| Humanity's Last Exam | 8% | — |
| MMLU-Pro | 78.4% | — |
| Confabulations | 14.7% | — |
| Vectara Hallucination Rate | — | 5.5% |
| GPQA (HELM) | 60.8% | — |
Multimodal Not comparable
Claude 3.7 Sonnet: 33.7 (#95), DeepSeek-V3.1: —
| Benchmark | Claude 3.7 Sonnet | DeepSeek-V3.1 |
|---|---|---|
| LMArena Vision | 1169 | — |
| GeoBench | 68% | — |
| VPCT | 39% | — |
| SpatialViz-Bench | 33.9% | — |
Multilingual DeepSeek-V3.1 leads
Claude 3.7 Sonnet: 44.1 (#179), DeepSeek-V3.1: 51.6 (#106)
| Benchmark | Claude 3.7 Sonnet | DeepSeek-V3.1 |
|---|---|---|
| LMArena Non-English | 1296 | 1400 |
| LMArena Chinese | 1299 | 1469 |
| LMArena French | 1303 | 1447 |
| LMArena German | 1301 | 1411 |
| LMArena Japanese | 1267 | 1378 |
| LMArena Korean | 1249 | 1337 |
| LMArena Russian | 1311 | 1405 |
| LMArena Spanish | 1298 | 1431 |
Instruction Following Too close to call
Claude 3.7 Sonnet: 72.9 (#125), DeepSeek-V3.1: 73.9 (#110)
| Benchmark | Claude 3.7 Sonnet | DeepSeek-V3.1 |
|---|---|---|
| LMArena Instruction Following | 1352 | 1400 |
| LiveBench Instruction Following | 81.3% | — |
| IFEval | 83.4% | — |
Long Context Claude 3.7 Sonnet leads
Claude 3.7 Sonnet: 50.3 (#10), DeepSeek-V3.1: 36.3 (#232)
| Benchmark | Claude 3.7 Sonnet | DeepSeek-V3.1 |
|---|---|---|
| Fiction.LiveBench | 83.3% | 52.8% |
| LMArena Longer Query | 1373 | 1422 |
Writing & Preference DeepSeek-V3.1 leads
Claude 3.7 Sonnet: 54.4 (#150), DeepSeek-V3.1: 60.3 (#98)
| Benchmark | Claude 3.7 Sonnet | DeepSeek-V3.1 |
|---|---|---|
| LMArena Text | 1314 | 1420 |
| LMArena Creative Writing | 1332 | 1401 |
| EQ-Bench Creative Writing | 1412 | 1436 |
| LMArena Multi-Turn | 1339 | 1408 |
| Short-Story Creative Writing | 81.1% | — |
| WildBench | 81.4% | — |
| LiveBench Language | 59.9% | — |
Frequently asked questions
Is Claude 3.7 Sonnet better than DeepSeek-V3.1?
DeepSeek-V3.1 is the stronger model overall, scoring 42.8 to 39.5 on the Noometry Index.
Is Claude 3.7 Sonnet or DeepSeek-V3.1 better for coding?
They score almost the same on coding (40.6 vs 40.3); test both on your own repository before choosing.
How many benchmarks do Claude 3.7 Sonnet and DeepSeek-V3.1 share?
22 benchmarks have published results for both models. Claude 3.7 Sonnet has 58 scored results on Noometry and DeepSeek-V3.1 has 27.