Head-to-head comparison

Nemotron 3 Ultra vs Nemotron Cascade 2 30B A3B

Nemotron 3 Ultra (NVIDIA) and Nemotron Cascade 2 30B A3B (NVIDIA) compared on the ModelCap Index, API price, context window, provider availability, weight access and every public benchmark board they share. Figures are the same ones shown on the live rankings; nothing here is a hidden score.

Snapshot as of 9 September 2026

As of 9 September 2026, Nemotron 3 Ultra holds the stronger ModelCap Index position (#54 vs #108).

Which should you choose?

Choose Nemotron 3 Ultra if…

you want the stronger overall ModelCap Index position — #54 against #108 (56.6 vs 38.4 points).
you want provider choice — 3 listed API providers against 0.
AA Terminal-Bench 2.1 is your yardstick — 53.9% against 20.6%.
AA τ²-Bench Telecom is your yardstick — 83.3% against 53.2%.
AA Humanity's Last Exam is your yardstick — 28.4% against 12.0%.
you want the more recently listed model — Nemotron 3 Ultra was listed 4 June 2026, Nemotron Cascade 2 30B A3B 18 March 2026.

Choose Nemotron Cascade 2 30B A3B if…

ModelCap publishes no field on which Nemotron Cascade 2 30B A3B leads Nemotron 3 Ultra for this pair.

Nemotron 3 Ultra vs Nemotron Cascade 2 30B A3B: specs, pricing and context

Specification comparison of Nemotron 3 Ultra and Nemotron Cascade 2 30B A3B
Field	Nemotron 3 UltraNVIDIA	Nemotron Cascade 2 30B A3BNVIDIA
ModelCap Index position	#54	#108
Index score	56.6	38.4
Evidence	Measured	Estimated
Input price / 1M tokens	$0.625	Unlisted
Output price / 1M tokens	$3.13	Unlisted
Context window	262K tokens	— tokens
Max output tokens	33K	—
API providers listed	3	0
Weight access	Restricted license	Restricted license
Input modalities	Text	Text
First listed	4 June 2026	18 March 2026
Publisher	NVIDIA	NVIDIA

Evidence: 1 public benchmark observation across 1 board · publisher-corpus-prior over 182 held-out anchors (57%); launch card against 3 resolved peers on 11 rows (43%); exceeds every named peer on 3 of 11 rows; optimism haircut 0 from cross-lab-probe; shrunk 4.9 up toward the measured corpus. Prices are the lowest listed API offer per million tokens observed on the OpenRouter catalogue.

Benchmark scores: Nemotron 3 Ultra vs Nemotron Cascade 2 30B A3B

Public benchmark boards where Nemotron 3 Ultra or Nemotron Cascade 2 30B A3B has a published result
Board	Nemotron 3 Ultra	Nemotron Cascade 2 30B A3B	Leads
AA Intelligence IndexArtificial Analysis	23.4intelligence-index:v4.3:reasoning-unspecified	—	Only one result
AA Terminal-Bench 2.1Artificial Analysis	53.9%terminal-bench:2.1:terminus-2:e2b:pass-at-1:3-repeats:source-model="Nemotron 3 Ultra":reasoning=true	20.6%terminal-bench:2.1:terminus-2:e2b:pass-at-1:3-repeats:source-model="Nemotron Cascade 2 30B A3B":reasoning=true	Nemotron 3 Ultra
AA τ²-Bench TelecomArtificial Analysis	83.3%tau2:telecom:dual-control:pass-at-1:3-repeats:source-model="Nemotron 3 Ultra":reasoning=true	53.2%tau2:telecom:dual-control:pass-at-1:3-repeats:source-model="Nemotron Cascade 2 30B A3B":reasoning=true	Nemotron 3 Ultra
AA Humanity's Last ExamArtificial Analysis	28.4%hle:may-2025:text-only-2158:no-tools:pass-at-1:source-model="Nemotron 3 Ultra":reasoning=true	12.0%hle:may-2025:text-only-2158:no-tools:pass-at-1:source-model="Nemotron Cascade 2 30B A3B":reasoning=true	Nemotron 3 Ultra

Scores are the sources' own published figures for each model's best evaluated configuration; ModelCap never re-runs a benchmark.

Want a different pairing? Open the interactive comparison tool to swap either model for any current ranked language model.

Nemotron 3 Ultra vs Nemotron Cascade 2 30B A3B: common questions

Is Nemotron 3 Ultra better than Nemotron Cascade 2 30B A3B?

Nemotron 3 Ultra ranks higher on the ModelCap Index as of 9 September 2026: #54 against #108. That is a capability ranking built from public benchmark evidence with published uncertainty; whether it is "better" for you also depends on price, context and where you can run it. Their published uncertainty intervals overlap, so the rank difference alone does not establish a reliable capability advantage for your workload.

Is Nemotron 3 Ultra cheaper than Nemotron Cascade 2 30B A3B?

At least one of the two has no listed API price on ModelCap right now, so no price comparison is made.

Which has the bigger context window, Nemotron 3 Ultra or Nemotron Cascade 2 30B A3B?

Both publish a 262K-token context window.

Which is better for coding, Nemotron 3 Ultra or Nemotron Cascade 2 30B A3B?

AA Terminal-Bench 2.1: Nemotron 3 Ultra 53.9%, Nemotron Cascade 2 30B A3B 20.6% — Nemotron 3 Ultra leads.

Are Nemotron 3 Ultra and Nemotron Cascade 2 30B A3B open-weight models?

Nemotron 3 Ultra: Restricted license. Nemotron Cascade 2 30B A3B: Restricted license. Open weights mean the checkpoint can be downloaded and self-hosted under its licence; API-only models are available solely through hosted endpoints.

Where can I run Nemotron 3 Ultra and Nemotron Cascade 2 30B A3B?

ModelCap currently lists 3 API providers for Nemotron 3 Ultra and 0 for Nemotron Cascade 2 30B A3B, from the OpenRouter catalogue snapshot the site serves; each model page lists the providers and their prices.

How current is this Nemotron 3 Ultra vs Nemotron Cascade 2 30B A3B comparison?

Every figure comes from the sealed ModelCap dataset published 9 September 2026; the page re-renders within a minute of each data refresh, and the ModelCap Index positions are the same ones shown on the live rankings.