Model comparison
Claude 3.5 Sonnet vs Nemotron 3 Ultra
Nemotron 3 Ultra is the stronger model overall, scoring 42.5 to 34.6 on the Noometry Index.
Last verified . 22 shared benchmarks.
NVIDIASummary
- They share 22 benchmarks with published results for both. Claude 3.5 Sonnet scores higher in 2 categories and Nemotron 3 Ultra in 7 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Nemotron 3 Ultra leads 52.5 to 28.6.
- The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 8.5% for Claude 3.5 Sonnet and 86.7% for Nemotron 3 Ultra.
- Nemotron 3 Ultra has downloadable open weights; the other is API-only.
Side by side
| Claude 3.5 Sonnet | Nemotron 3 Ultra | |
|---|---|---|
| Provider | Anthropic | NVIDIA |
| Noometry Index | 34.6 | 42.5 |
| Released | 2024-06-20 | 2026-06-04 |
| Weights | Proprietary | Open |
| Context window | — | 262K |
| Max output | — | 128K |
| Input $ / M tokens | — | $0.50 |
| Output $ / M tokens | — | $2.20 |
| Results tracked | 60 | 30 |
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Category by category
Coding Too close to call
Claude 3.5 Sonnet: 39.0 (#165), Nemotron 3 Ultra: 38.1 (#182)
| Benchmark | Claude 3.5 Sonnet | Nemotron 3 Ultra |
|---|---|---|
| WeirdML | 40% | 43.5% |
| LMArena Coding | 1342 | 1468 |
| FrontierCode | — | 13.6% |
| Aider Polyglot | 51.6% | — |
| SciCode | — | 40.3% |
| GSO | 4.6% | — |
| BigCodeBench Instruct | 46.8% | — |
| LiveBench Coding | 67.1% | — |
| BigCodeBench Complete | 58.6% | — |
| CadEval | 48% | — |
| HumanEval+ | 81.7% | — |
| MBPP+ | 74.3% | — |
Agentic & Tool Use Claude 3.5 Sonnet leads
Claude 3.5 Sonnet: 32.3 (#67), Nemotron 3 Ultra: 23.4 (#126)
| Benchmark | Claude 3.5 Sonnet | Nemotron 3 Ultra |
|---|---|---|
| APEX-Agents | — | 22.7% |
| TheAgentCompany | 24% | — |
| Cybench | 17.5% | — |
| BALROG | 32.6% | — |
| METR Time Horizons | 45.2% | — |
Reasoning Nemotron 3 Ultra leads
Claude 3.5 Sonnet: 23.1 (#183), Nemotron 3 Ultra: 31.0 (#82)
| Benchmark | Claude 3.5 Sonnet | Nemotron 3 Ultra |
|---|---|---|
| LMArena Hard Prompts | 1305 | 1452 |
| DTBench | 67.8% | 90.1% |
| Epoch Capabilities Index | 133.55 | 146.17 |
| SimpleBench | 41.4% | — |
| CritPt | — | 3.1% |
| Chess Puzzles | — | 12% |
| EnigmaEval | 0.9% | — |
| LiveBench Reasoning | 56.7% | — |
| Mystery Game Puzzles | — | 20% |
| LiveBench Data Analysis | 55% | — |
| LMCA | — | 36.9% |
| ForecastBench | 60.7 | — |
| LiveBench | 59% | — |
Math Nemotron 3 Ultra leads
Claude 3.5 Sonnet: 19.2 (#288), Nemotron 3 Ultra: 35.3 (#187)
| Benchmark | Claude 3.5 Sonnet | Nemotron 3 Ultra |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 8.5% | 86.7% |
| LMArena Math | 1307 | 1457 |
| ProofBench | — | 2% |
| Omni-MATH | 27.6% | — |
| LiveBench Math | 52.3% | — |
| MATH Level 5 | 56.9% | — |
| FrontierMath (Feb 2025 set) | 2.1% | — |
| FrontierMath Tier 4 (v1) | 0% | — |
Knowledge Nemotron 3 Ultra leads
Claude 3.5 Sonnet: 28.6 (#245), Nemotron 3 Ultra: 52.5 (#61)
| Benchmark | Claude 3.5 Sonnet | Nemotron 3 Ultra |
|---|---|---|
| GPQA Diamond | 55.3% | 85.4% |
| LMArena Expert | 1265 | 1472 |
| Humanity's Last Exam | 4.1% | — |
| MMLU-Pro | 77.7% | — |
| Confabulations | 19.9% | — |
| GPQA (HELM) | 56.5% | — |
| MMLU | 87.3% | — |
Multimodal Not comparable
Claude 3.5 Sonnet: 26.5 (#120), Nemotron 3 Ultra: —
| Benchmark | Claude 3.5 Sonnet | Nemotron 3 Ultra |
|---|---|---|
| LMArena Vision | 1125 | — |
| Video-MME | 60% | — |
| GeoBench | 62% | — |
| VPCT | 33% | — |
Multilingual Nemotron 3 Ultra leads
Claude 3.5 Sonnet: 43.2 (#185), Nemotron 3 Ultra: 53.5 (#64)
| Benchmark | Claude 3.5 Sonnet | Nemotron 3 Ultra |
|---|---|---|
| LMArena Non-English | 1283 | 1427 |
| LMArena Chinese | 1272 | 1497 |
| LMArena French | 1305 | 1472 |
| LMArena German | 1297 | 1471 |
| LMArena Korean | 1200 | 1386 |
| LMArena Russian | 1306 | 1417 |
| LMArena Spanish | 1290 | 1454 |
| LMArena Japanese | 1234 | — |
Instruction Following Nemotron 3 Ultra leads
Claude 3.5 Sonnet: 68.8 (#182), Nemotron 3 Ultra: 74.7 (#88)
| Benchmark | Claude 3.5 Sonnet | Nemotron 3 Ultra |
|---|---|---|
| LMArena Instruction Following | 1297 | 1418 |
| LiveBench Instruction Following | 69.3% | — |
| IFEval | 85.5% | — |
Long Context Nemotron 3 Ultra leads
Claude 3.5 Sonnet: 39.9 (#167), Nemotron 3 Ultra: 43.9 (#81)
| Benchmark | Claude 3.5 Sonnet | Nemotron 3 Ultra |
|---|---|---|
| LMArena Longer Query | 1311 | 1437 |
Writing & Preference Nemotron 3 Ultra leads
Claude 3.5 Sonnet: 52.9 (#164), Nemotron 3 Ultra: 66.3 (#36)
| Benchmark | Claude 3.5 Sonnet | Nemotron 3 Ultra |
|---|---|---|
| LMArena Text | 1298 | 1445 |
| LMArena Creative Writing | 1292 | 1398 |
| EQ-Bench Creative Writing | 1451 | 1692 |
| LMArena Multi-Turn | 1326 | 1411 |
| Short-Story Creative Writing | 80.3% | — |
| WildBench | 79.2% | — |
| LiveBench Language | 53.8% | — |
Frequently asked questions
Is Claude 3.5 Sonnet better than Nemotron 3 Ultra?
Nemotron 3 Ultra is the stronger model overall, scoring 42.5 to 34.6 on the Noometry Index.
Is Claude 3.5 Sonnet or Nemotron 3 Ultra better for coding?
They score almost the same on coding (39.0 vs 38.1); test both on your own repository before choosing.
How many benchmarks do Claude 3.5 Sonnet and Nemotron 3 Ultra share?
22 benchmarks have published results for both models. Claude 3.5 Sonnet has 60 scored results on Noometry and Nemotron 3 Ultra has 30.