Claude Opus 4.1 vs NVIDIA Nemotron 3.5 Super VL 120B-A12B NVFP4
| Spec | Claude Opus 4.1 | NVIDIA Nemotron 3.5 Super VL 120B-A12B NVFP4 |
|---|---|---|
| Respan Index | 31.2 (#76) | 31.1 (#79) |
| Blended price per 1M | $30 | $0.237 |
| Context window | 200K | 1M |
| Input / output per 1M | $15 / $75 | $0.15 / $0.5 |
| Max output | 32K | - |
| Input | text, vision | text, vision, video |
| Released | 2025-08-05 | 2026-10-15 |
Respan Index by category
Each category is scored 0 to 100, and how far ahead the winner is. Leads under a point are close to even.
| Category | Claude Opus 4.1 | NVIDIA Nemotron 3.5 Super VL 120B-A12B NVFP4 |
|---|---|---|
| Coding | 8.6 Claude Opus 4.1 | 10.5 NVIDIA Nemotron 3.5 Super VL 120B-A12B NVFP4 |
| Agents | 51.3 Claude Opus 4.1 | 40.5 NVIDIA Nemotron 3.5 Super VL 120B-A12B NVFP4 |
| Reasoning | 26.2 Claude Opus 4.1 | 32.8 NVIDIA Nemotron 3.5 Super VL 120B-A12B NVFP4 |
| Knowledge & language | 20.8* Claude Opus 4.1 | 25.7* NVIDIA Nemotron 3.5 Super VL 120B-A12B NVFP4 |
| Human preference | 50.4 Claude Opus 4.1 | 50.3 NVIDIA Nemotron 3.5 Super VL 120B-A12B NVFP4 |
* Estimated: no published scores in that category. How the Respan Index works
Benchmarks both report
They split the 4 benchmarks both report evenly. Higher is better. Each score links to where it was published.
| Benchmark | Claude Opus 4.1 | NVIDIA Nemotron 3.5 Super VL 120B-A12B NVFP4 |
|---|---|---|
| LMArena Elo | 1450 | 1412 |
| LMArena WebDev (LMArena) | 1390 | 1399 |
| GPQA Diamond | 77.3% | 89.9% |
| SWE-bench Verified | 74.5% | 71.1% |
FAQ
Is Claude Opus 4.1 better than NVIDIA Nemotron 3.5 Super VL 120B-A12B NVFP4?
Claude Opus 4.1 scores 31.2 on the Respan Index (#76), ahead of NVIDIA Nemotron 3.5 Super VL 120B-A12B NVFP4 at 31.1 (#79). They split the 4 benchmarks both report evenly.
Which is cheaper, Claude Opus 4.1 or NVIDIA Nemotron 3.5 Super VL 120B-A12B NVFP4?
Claude Opus 4.1 lists at $15 input and $75 output per 1M tokens; NVIDIA Nemotron 3.5 Super VL 120B-A12B NVFP4 at $0.15 and $0.5. NVIDIA Nemotron 3.5 Super VL 120B-A12B NVFP4 is 126x cheaper per token at list price.
Which has the larger context window?
Claude Opus 4.1 accepts 200K tokens and NVIDIA Nemotron 3.5 Super VL 120B-A12B NVFP4 1M tokens.
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