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Nemotron 3 Labs Ultra Math RL vs Nemotron Cascade 2 30B A3B

Nemotron 3 Labs Ultra Math RL (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 Labs Ultra Math RL holds the stronger ModelCap Index position (#55 vs #108).

Which should you choose?

Choose Nemotron 3 Labs Ultra Math RL if…

  • you want the stronger overall ModelCap Index position — #55 against #108 (56.3 vs 38.4 points).
  • you want the more recently listed model — Nemotron 3 Labs Ultra Math RL was listed 2 September 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 Labs Ultra Math RL for this pair.

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

Specification comparison of Nemotron 3 Labs Ultra Math RL and Nemotron Cascade 2 30B A3B
FieldNemotron 3 Labs Ultra Math RLNVIDIANemotron Cascade 2 30B A3BNVIDIA
ModelCap Index position#55#108
Index score56.338.4
EvidenceInheritedEstimated
Input price / 1M tokensUnlistedUnlisted
Output price / 1M tokensUnlistedUnlisted
Context window— tokens— tokens
Max output tokens——
API providers listed00
Weight accessRestricted licenseRestricted license
Input modalitiesTextText
First listed2 September 202618 March 2026
PublisherNVIDIANVIDIA

Evidence: finetune of nvidia/nemotron-3-ultra-550b-a55b · bf16 (100%) · 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 Labs Ultra Math RL vs Nemotron Cascade 2 30B A3B

Public benchmark boards where Nemotron 3 Labs Ultra Math RL or Nemotron Cascade 2 30B A3B has a published result
BoardNemotron 3 Labs Ultra Math RLNemotron Cascade 2 30B A3BLeads
AA Terminal-Bench 2.1Artificial Analysis—20.6%terminal-bench:2.1:terminus-2:e2b:pass-at-1:3-repeats:source-model="Nemotron Cascade 2 30B A3B":reasoning=trueOnly one result
AA τ²-Bench TelecomArtificial Analysis—53.2%tau2:telecom:dual-control:pass-at-1:3-repeats:source-model="Nemotron Cascade 2 30B A3B":reasoning=trueOnly one result
AA Humanity's Last ExamArtificial Analysis—12.0%hle:may-2025:text-only-2158:no-tools:pass-at-1:source-model="Nemotron Cascade 2 30B A3B":reasoning=trueOnly one result

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 Labs Ultra Math RL vs Nemotron Cascade 2 30B A3B: common questions

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

Nemotron 3 Labs Ultra Math RL ranks higher on the ModelCap Index as of 9 September 2026: #55 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 Labs Ultra Math RL 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 Labs Ultra Math RL or Nemotron Cascade 2 30B A3B?

Both publish a —-token context window.

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

The two models do not share a coding benchmark board on ModelCap yet, so no head-to-head coding score is published; the ModelCap Index position is the closest overall signal.

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

Nemotron 3 Labs Ultra Math RL: 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 Labs Ultra Math RL and Nemotron Cascade 2 30B A3B?

ModelCap currently lists 0 API providers for Nemotron 3 Labs Ultra Math RL 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 Labs Ultra Math RL 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.

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