Model comparison
Claude 2.1 vs Nemotron 3.5 Lightning
Nemotron 3.5 Lightning is the stronger model overall, scoring 39.3 to 24.9 on the Noometry Index.
Last verified . 0 shared benchmarks.
NVIDIASummary
- The widest gap is in math, where Nemotron 3.5 Lightning leads 34.7 to 9.6.
- Nemotron 3.5 Lightning has downloadable open weights; the other is API-only.
Side by side
| Claude 2.1 | Nemotron 3.5 Lightning | |
|---|---|---|
| Provider | Anthropic | NVIDIA |
| Noometry Index | 24.9 | 39.3 |
| Released | 2023-11-21 | 2026-08-11 |
| Weights | Proprietary | Open |
| Context window | — | 262K |
| Max output | — | 262K |
| Input $ / M tokens | — | $0.06 |
| Output $ / M tokens | — | $0.16 |
| Results tracked | 7 | 18 |
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Category by category
Coding Nemotron 3.5 Lightning leads
Claude 2.1: 25.8 (#322), Nemotron 3.5 Lightning: 39.6 (#143)
| Benchmark | Claude 2.1 | Nemotron 3.5 Lightning |
|---|---|---|
| WeirdML | 7.1% | — |
| LMArena Coding | — | 1370 |
Reasoning Nemotron 3.5 Lightning leads
Claude 2.1: 20.6 (#216), Nemotron 3.5 Lightning: 25.7 (#128)
| Benchmark | Claude 2.1 | Nemotron 3.5 Lightning |
|---|---|---|
| LMArena Hard Prompts | — | 1335 |
| DTBench | 51% | — |
| Epoch Capabilities Index | 119.22 | — |
| ForecastBench | 54.2 | — |
Math Nemotron 3.5 Lightning leads
Claude 2.1: 9.6 (#309), Nemotron 3.5 Lightning: 34.7 (#156)
| Benchmark | Claude 2.1 | Nemotron 3.5 Lightning |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 1.9% | — |
| LMArena Math | — | 1355 |
Knowledge Nemotron 3.5 Lightning leads
Claude 2.1: 15.5 (#287), Nemotron 3.5 Lightning: 36.9 (#154)
| Benchmark | Claude 2.1 | Nemotron 3.5 Lightning |
|---|---|---|
| GPQA Diamond | 33% | — |
| LMArena Expert | — | 1354 |
| MMLU | 73.5% | — |
Multilingual Not comparable
Claude 2.1: —, Nemotron 3.5 Lightning: 44.0 (#175)
| Benchmark | Claude 2.1 | Nemotron 3.5 Lightning |
|---|---|---|
| LMArena Non-English | — | 1292 |
| LMArena Chinese | — | 1356 |
| LMArena French | — | 1369 |
| LMArena German | — | 1280 |
| LMArena Japanese | — | 1213 |
| LMArena Korean | — | 1233 |
| LMArena Russian | — | 1257 |
| LMArena Spanish | — | 1321 |
Instruction Following Not comparable
Claude 2.1: —, Nemotron 3.5 Lightning: 69.8 (#166)
| Benchmark | Claude 2.1 | Nemotron 3.5 Lightning |
|---|---|---|
| LMArena Instruction Following | — | 1317 |
Long Context Not comparable
Claude 2.1: —, Nemotron 3.5 Lightning: 39.9 (#160)
| Benchmark | Claude 2.1 | Nemotron 3.5 Lightning |
|---|---|---|
| LMArena Longer Query | — | 1312 |
Writing & Preference Not comparable
Claude 2.1: —, Nemotron 3.5 Lightning: 48.5 (#198)
| Benchmark | Claude 2.1 | Nemotron 3.5 Lightning |
|---|---|---|
| LMArena Text | — | 1324 |
| LMArena Creative Writing | — | 1254 |
| EQ-Bench Creative Writing | — | 1280 |
| LMArena Multi-Turn | — | 1327 |
Frequently asked questions
Is Claude 2.1 better than Nemotron 3.5 Lightning?
Nemotron 3.5 Lightning is the stronger model overall, scoring 39.3 to 24.9 on the Noometry Index.
Is Claude 2.1 or Nemotron 3.5 Lightning better for coding?
Nemotron 3.5 Lightning scores higher on coding benchmarks: 39.6 versus 25.8 in the Noometry coding category.
How many benchmarks do Claude 2.1 and Nemotron 3.5 Lightning share?
0 benchmarks have published results for both models. Claude 2.1 has 7 scored results on Noometry and Nemotron 3.5 Lightning has 18.