Model comparison
Claude Sonnet 4 vs Nemotron 3 Nano 30B A3B
Claude Sonnet 4 and Nemotron 3 Nano 30B A3B score almost the same on the Noometry Index (40.8 vs 40.6), so choose on price, context window or the category you care about most.
Last verified . 18 shared benchmarks.
NVIDIASummary
- They share 18 benchmarks with published results for both. Claude Sonnet 4 scores higher in 6 categories and Nemotron 3 Nano 30B A3B in 2 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in long context, where Nemotron 3 Nano 30B A3B leads 39.5 to 33.7.
- Nemotron 3 Nano 30B A3B is cheaper at $0.05 / $0.20 per million input/output tokens, against $3 / $15 for Claude Sonnet 4.
- Nemotron 3 Nano 30B A3B accepts more context: 262K tokens versus 200K.
- Nemotron 3 Nano 30B A3B has downloadable open weights; the other is API-only.
Side by side
| Claude Sonnet 4 | Nemotron 3 Nano 30B A3B | |
|---|---|---|
| Provider | Anthropic | NVIDIA |
| Noometry Index | 40.8 | 40.6 |
| Released | 2025-05-22 | 2025-12-15 |
| Weights | Proprietary | Open |
| Context window | 200K | 262K |
| Max output | 64K | 262K |
| Input $ / M tokens | $3 | $0.05 |
| Output $ / M tokens | $15 | $0.20 |
| Results tracked | 58 | 18 |
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Category by category
Coding Claude Sonnet 4 leads
Claude Sonnet 4: 43.5 (#88), Nemotron 3 Nano 30B A3B: 40.5 (#138)
| Benchmark | Claude Sonnet 4 | Nemotron 3 Nano 30B A3B |
|---|---|---|
| LMArena Coding | 1414 | 1378 |
| SWE-bench Verified (bash only) | 64.9% | — |
| Aider Polyglot | 61.3% | — |
| SciCode | 40% | — |
| GSO | 4.9% | — |
| WeirdML | 46.1% | — |
| ALE-Bench | 655.35 | — |
Agentic & Tool Use Not comparable
Claude Sonnet 4: 38.5 (#31), Nemotron 3 Nano 30B A3B: —
| Benchmark | Claude Sonnet 4 | Nemotron 3 Nano 30B A3B |
|---|---|---|
| TheAgentCompany | 33.1% | — |
| Cybench | 35% | — |
| DeepResearch Bench | 46.6% | — |
| OSWorld | 43.9% | — |
| METR Time Horizons | 62% | — |
Reasoning Nemotron 3 Nano 30B A3B leads
Claude Sonnet 4: 22.9 (#187), Nemotron 3 Nano 30B A3B: 27.1 (#124)
| Benchmark | Claude Sonnet 4 | Nemotron 3 Nano 30B A3B |
|---|---|---|
| LMArena Hard Prompts | 1372 | 1348 |
| ARC-AGI-2 | 5.9% | — |
| SimpleBench | 45.5% | — |
| Kagi LLM Benchmark | 73% | — |
| ARC-AGI-1 | 40% | — |
| CritPt | 0.3% | — |
| EnigmaEval | 3.1% | — |
| DTBench | 77.1% | — |
| LMCA | 29% | — |
| Epoch Capabilities Index | 141.69 | — |
| ForecastBench | 60.2 | — |
Math Claude Sonnet 4 leads
Claude Sonnet 4: 43.3 (#80), Nemotron 3 Nano 30B A3B: 37.8 (#147)
| Benchmark | Claude Sonnet 4 | Nemotron 3 Nano 30B A3B |
|---|---|---|
| LMArena Math | 1375 | 1371 |
| OTIS Mock AIME 2024-2025 | 71.1% | — |
| Omni-MATH | 60.2% | — |
| MATH Level 5 | 84.4% | — |
| FrontierMath (Feb 2025 set) | 4.1% | — |
| FrontierMath Tier 4 (v1) | 0% | — |
Knowledge Claude Sonnet 4 leads
Claude Sonnet 4: 41.8 (#108), Nemotron 3 Nano 30B A3B: 38.2 (#148)
| Benchmark | Claude Sonnet 4 | Nemotron 3 Nano 30B A3B |
|---|---|---|
| Vectara Hallucination Rate | 10.3% | 9.6% |
| LMArena Expert | 1372 | 1355 |
| GPQA Diamond | 79.2% | — |
| Humanity's Last Exam | 7.8% | — |
| MMLU-Pro | 84.3% | — |
| Confabulations | 13.2% | — |
| GPQA (HELM) | 70.6% | — |
Multimodal Not comparable
Claude Sonnet 4: 26.2 (#121), Nemotron 3 Nano 30B A3B: —
| Benchmark | Claude Sonnet 4 | Nemotron 3 Nano 30B A3B |
|---|---|---|
| LMArena Vision | 1191 | — |
| GeoBench | 37% | — |
| VPCT | 34% | — |
| MindCube | 44.8% | — |
Multilingual Too close to call
Claude Sonnet 4: 46.7 (#156), Nemotron 3 Nano 30B A3B: 45.8 (#162)
| Benchmark | Claude Sonnet 4 | Nemotron 3 Nano 30B A3B |
|---|---|---|
| LMArena Non-English | 1333 | 1320 |
| LMArena Chinese | 1350 | 1382 |
| LMArena French | 1363 | 1396 |
| LMArena German | 1331 | 1348 |
| LMArena Japanese | 1302 | 1268 |
| LMArena Korean | 1291 | 1269 |
| LMArena Russian | 1355 | 1303 |
| LMArena Spanish | 1357 | 1376 |
Instruction Following Claude Sonnet 4 leads
Claude Sonnet 4: 71.7 (#145), Nemotron 3 Nano 30B A3B: 68.8 (#180)
| Benchmark | Claude Sonnet 4 | Nemotron 3 Nano 30B A3B |
|---|---|---|
| LMArena Instruction Following | 1376 | 1304 |
| IFEval | 84% | — |
Long Context Nemotron 3 Nano 30B A3B leads
Claude Sonnet 4: 33.7 (#259), Nemotron 3 Nano 30B A3B: 39.5 (#175)
| Benchmark | Claude Sonnet 4 | Nemotron 3 Nano 30B A3B |
|---|---|---|
| LMArena Longer Query | 1398 | 1300 |
| Fiction.LiveBench | 46.9% | — |
Writing & Preference Claude Sonnet 4 leads
Claude Sonnet 4: 57.1 (#132), Nemotron 3 Nano 30B A3B: 52.3 (#174)
| Benchmark | Claude Sonnet 4 | Nemotron 3 Nano 30B A3B |
|---|---|---|
| LMArena Text | 1351 | 1348 |
| LMArena Creative Writing | 1345 | 1269 |
| LMArena Multi-Turn | 1376 | 1319 |
| Short-Story Creative Writing | 81.4% | — |
| EQ-Bench Creative Writing | 1483 | — |
| WildBench | 83.8% | — |
Frequently asked questions
Is Claude Sonnet 4 better than Nemotron 3 Nano 30B A3B?
Claude Sonnet 4 and Nemotron 3 Nano 30B A3B score almost the same on the Noometry Index (40.8 vs 40.6), so choose on price, context window or the category you care about most.
Which is cheaper, Claude Sonnet 4 or Nemotron 3 Nano 30B A3B?
Nemotron 3 Nano 30B A3B is cheaper. It lists at $0.05 per million input tokens and $0.20 per million output tokens; Claude Sonnet 4 lists at $3 and $15.
Is Claude Sonnet 4 or Nemotron 3 Nano 30B A3B better for coding?
Claude Sonnet 4 scores higher on coding benchmarks: 43.5 versus 40.5 in the Noometry coding category.
Which has the bigger context window?
Nemotron 3 Nano 30B A3B does, with 262K tokens against 200K.
How many benchmarks do Claude Sonnet 4 and Nemotron 3 Nano 30B A3B share?
18 benchmarks have published results for both models. Claude Sonnet 4 has 58 scored results on Noometry and Nemotron 3 Nano 30B A3B has 18.