Verdict
Built from the measurements below
- Nemotron 3 Ultra is more accurate: 60.0% against 40.0% on the same 80 questions, a 20.0-point gap that is statistically significant.
- Nemotron 3.5 Super VL is 4.5× cheaper per question as billed ($0.0013 vs $0.0057), reasoning tokens included.
- Nemotron 3.5 Super VL generates text 5.3× faster: 715 tokens per second against 136.
- Nemotron 3.5 Super VL starts answering sooner: 0.6 s to the first token, against 0.8 s for Nemotron 3 Ultra.
- Nemotron 3.5 Super VL accepts more context: 1M tokens against 262k.
Which should you choose?
Choose Nemotron 3.5 Super VL for the lower cost per correct answer ($0.0032 against $0.0094), faster streaming, a quicker first token, a 1M-token context window and more hosts to choose from on OpenRouter (9 against 3). Choose Nemotron 3 Ultra for the most accurate answers of the two. The widest subject gap is in science: Nemotron 3 Ultra answered 22 of 30 correctly, Nemotron 3.5 Super VL 13 of 30. With so few questions per subject, treat this as a lead to test on your own prompts, not a result.
Accuracy gap -20.0 points (z = -2.53). We call a winner only when z is at least 1.96, the usual 95% threshold. Speed, latency and price need a 10% margin.