Model comparison
Llama 4 Scout vs Nemotron 3.5 Lightning
Nemotron 3.5 Lightning is the stronger model overall, scoring 40.0 to 27.7 on the Noometry Index.
Last verified . 18 shared benchmarks.
Meta
NVIDIASummary
- They share 18 benchmarks with published results for both. Llama 4 Scout scores higher in 0 categories and Nemotron 3.5 Lightning in 8 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in coding, where Nemotron 3.5 Lightning leads 40.4 to 20.2.
- Nemotron 3.5 Lightning is cheaper at $0.05 / $0.20 per million input/output tokens, against $0.10 / $0.30 for Llama 4 Scout.
- Nemotron 3.5 Lightning accepts more context: 262K tokens versus 128K.
Side by side
| Llama 4 Scout | Nemotron 3.5 Lightning | |
|---|---|---|
| Provider | Meta | NVIDIA |
| Noometry Index | 27.7 | 40.0 |
| Released | 2025-04-05 | 2026-08-11 |
| Weights | Open | Open |
| Context window | 128K | 262K |
| Max output | 4K | 262K |
| Input $ / M tokens | $0.10 | $0.05 |
| Output $ / M tokens | $0.30 | $0.20 |
| Results tracked | 43 | 18 |
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Category by category
Coding Nemotron 3.5 Lightning leads
Llama 4 Scout: 20.2 (#339), Nemotron 3.5 Lightning: 40.4 (#141)
| Benchmark | Llama 4 Scout | Nemotron 3.5 Lightning |
|---|---|---|
| LMArena Coding | 1286 | 1375 |
| SWE-bench Verified (bash only) | 9.1% | — |
| SciCode | 17% | — |
| BigCodeBench Complete | 43.1% | — |
Agentic & Tool Use Not comparable
Llama 4 Scout: 24.6 (#119), Nemotron 3.5 Lightning: —
| Benchmark | Llama 4 Scout | Nemotron 3.5 Lightning |
|---|---|---|
| Berkeley Function Calling Leaderboard | 28.1% | — |
Reasoning Nemotron 3.5 Lightning leads
Llama 4 Scout: 9.1 (#345), Nemotron 3.5 Lightning: 26.8 (#127)
| Benchmark | Llama 4 Scout | Nemotron 3.5 Lightning |
|---|---|---|
| LMArena Hard Prompts | 1266 | 1337 |
| ARC-AGI-2 | 0% | — |
| Kagi LLM Benchmark | 36.9% | — |
| ARC-AGI-1 | 0.5% | — |
| CritPt | 0% | — |
| DTBench | 57.9% | — |
| LMCA | 12% | — |
| Epoch Capabilities Index | 129.64 | — |
| ForecastBench | 57.5 | — |
Math Nemotron 3.5 Lightning leads
Llama 4 Scout: 19.6 (#286), Nemotron 3.5 Lightning: 37.5 (#155)
| Benchmark | Llama 4 Scout | Nemotron 3.5 Lightning |
|---|---|---|
| LMArena Math | 1287 | 1359 |
| OTIS Mock AIME 2024-2025 | 7.8% | — |
| Omni-MATH | 37.3% | — |
| MATH Level 5 | 62.3% | — |
| FrontierMath (Feb 2025 set) | 0% | — |
Knowledge Nemotron 3.5 Lightning leads
Llama 4 Scout: 31.9 (#217), Nemotron 3.5 Lightning: 37.5 (#154)
| Benchmark | Llama 4 Scout | Nemotron 3.5 Lightning |
|---|---|---|
| LMArena Expert | 1235 | 1356 |
| GPQA Diamond | 51.8% | — |
| MMLU-Pro | 74.2% | — |
| Vectara Hallucination Rate | 7.7% | — |
| GPQA (HELM) | 50.7% | — |
Multimodal Not comparable
Llama 4 Scout: 32.2 (#102), Nemotron 3.5 Lightning: —
| Benchmark | Llama 4 Scout | Nemotron 3.5 Lightning |
|---|---|---|
| LMArena Vision | 1118 | — |
| SpatialViz-Bench | 34.2% | — |
Multilingual Nemotron 3.5 Lightning leads
Llama 4 Scout: 41.0 (#212), Nemotron 3.5 Lightning: 44.0 (#180)
| Benchmark | Llama 4 Scout | Nemotron 3.5 Lightning |
|---|---|---|
| LMArena Non-English | 1252 | 1295 |
| LMArena Chinese | 1255 | 1359 |
| LMArena French | 1282 | 1366 |
| LMArena German | 1272 | 1282 |
| LMArena Japanese | 1206 | 1206 |
| LMArena Korean | 1207 | 1238 |
| LMArena Russian | 1263 | 1253 |
| LMArena Spanish | 1278 | 1345 |
Instruction Following Nemotron 3.5 Lightning leads
Llama 4 Scout: 65.8 (#217), Nemotron 3.5 Lightning: 69.6 (#170)
| Benchmark | Llama 4 Scout | Nemotron 3.5 Lightning |
|---|---|---|
| LMArena Instruction Following | 1248 | 1318 |
| IFEval | 81.8% | — |
Long Context Nemotron 3.5 Lightning leads
Llama 4 Scout: 27.5 (#294), Nemotron 3.5 Lightning: 39.9 (#165)
| Benchmark | Llama 4 Scout | Nemotron 3.5 Lightning |
|---|---|---|
| LMArena Longer Query | 1265 | 1314 |
| Fiction.LiveBench | 36% | — |
Writing & Preference Nemotron 3.5 Lightning leads
Llama 4 Scout: 37.0 (#261), Nemotron 3.5 Lightning: 48.5 (#201)
| Benchmark | Llama 4 Scout | Nemotron 3.5 Lightning |
|---|---|---|
| LMArena Text | 1279 | 1327 |
| LMArena Creative Writing | 1249 | 1254 |
| EQ-Bench Creative Writing | 783 | 1280 |
| LMArena Multi-Turn | 1280 | 1328 |
| WildBench | 78% | — |
Frequently asked questions
Is Llama 4 Scout better than Nemotron 3.5 Lightning?
Nemotron 3.5 Lightning is the stronger model overall, scoring 40.0 to 27.7 on the Noometry Index.
Which is cheaper, Llama 4 Scout or Nemotron 3.5 Lightning?
Nemotron 3.5 Lightning is cheaper. It lists at $0.05 per million input tokens and $0.20 per million output tokens; Llama 4 Scout lists at $0.10 and $0.30.
Is Llama 4 Scout or Nemotron 3.5 Lightning better for coding?
Nemotron 3.5 Lightning scores higher on coding benchmarks: 40.4 versus 20.2 in the Noometry coding category.
Which has the bigger context window?
Nemotron 3.5 Lightning does, with 262K tokens against 128K.
How many benchmarks do Llama 4 Scout and Nemotron 3.5 Lightning share?
18 benchmarks have published results for both models. Llama 4 Scout has 43 scored results on Noometry and Nemotron 3.5 Lightning has 18.