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Llama 3 1 Nemotron Ultra 253B v1 vs Llama 3 3 Nemotron Super 49B v1 5

Llama 3 1 Nemotron Ultra 253B v1 (NVIDIA) and Llama 3 3 Nemotron Super 49B v1 5 (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 21 October 2026

As of 21 October 2026, Llama 3 1 Nemotron Ultra 253B v1 holds the stronger ModelCap Index position (#164 vs #165).

Which should you choose?

Choose Llama 3 1 Nemotron Ultra 253B v1 if…

  • you want the stronger overall ModelCap Index position — #164 against #165 (39.4 vs 39.3 points).
  • Arena text is your yardstick — 1348 against 1343.

Choose Llama 3 3 Nemotron Super 49B v1 5 if…

  • Arena coding is your yardstick — 1403 against 1391.
  • you want the more recently listed model — Llama 3 3 Nemotron Super 49B v1 5 was listed 25 July 2025, Llama 3 1 Nemotron Ultra 253B v1 7 April 2025.

Llama 3 1 Nemotron Ultra 253B v1 vs Llama 3 3 Nemotron Super 49B v1 5: specs, pricing and context

Specification comparison of Llama 3 1 Nemotron Ultra 253B v1 and Llama 3 3 Nemotron Super 49B v1 5
FieldLlama 3 1 Nemotron Ultra 253B v1NVIDIALlama 3 3 Nemotron Super 49B v1 5NVIDIA
ModelCap Index position#164#165
Index score39.439.3
EvidenceMeasuredMeasured
Input price / 1M tokensUnlistedUnlisted
Output price / 1M tokensUnlistedUnlisted
Context window— tokens— tokens
Declared route output cap--
API providers listed00
Weight accessRestricted licenseRestricted license
Input modalitiesTextText
First listed7 April 202525 July 2025
PublisherNVIDIANVIDIA

Evidence: 2 public benchmark observations across 2 boards · 2 public benchmark observations across 2 boards. Prices are the lowest listed API offer per million tokens observed on the OpenRouter catalogue.

Benchmark scores: Llama 3 1 Nemotron Ultra 253B v1 vs Llama 3 3 Nemotron Super 49B v1 5

Public benchmark boards where Llama 3 1 Nemotron Ultra 253B v1 or Llama 3 3 Nemotron Super 49B v1 5 has a published result
BoardLlama 3 1 Nemotron Ultra 253B v1Llama 3 3 Nemotron Super 49B v1 5Leads
Arena textArena (LMArena)13481336–1359Not reported13431333–1353Not reportedLlama 3 1 Nemotron Ultra 253B v1
Arena codingArena (LMArena)13911361–142014031381–1425Llama 3 3 Nemotron Super 49B v1 5
BFCL V4UC Berkeley (Gorilla)10.0Function calling—Only 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.

Llama 3 1 Nemotron Ultra 253B v1 vs Llama 3 3 Nemotron Super 49B v1 5: common questions

Is Llama 3 1 Nemotron Ultra 253B v1 better than Llama 3 3 Nemotron Super 49B v1 5?

Llama 3 1 Nemotron Ultra 253B v1 ranks higher on the ModelCap Index as of 21 October 2026: #164 against #165. 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 Llama 3 1 Nemotron Ultra 253B v1 cheaper than Llama 3 3 Nemotron Super 49B v1 5?

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, Llama 3 1 Nemotron Ultra 253B v1 or Llama 3 3 Nemotron Super 49B v1 5?

Llama 3 1 Nemotron Ultra 253B v1: context unknown. Llama 3 3 Nemotron Super 49B v1 5: context unknown. OpenRouter catalogue or provider-endpoint declaration. Limits can vary by provider and prompt length; a model-wide maximum has not been independently verified.

Which is better for coding, Llama 3 1 Nemotron Ultra 253B v1 or Llama 3 3 Nemotron Super 49B v1 5?

Arena coding: Llama 3 1 Nemotron Ultra 253B v1 1391, Llama 3 3 Nemotron Super 49B v1 5 1403 — Llama 3 3 Nemotron Super 49B v1 5 leads.

Are Llama 3 1 Nemotron Ultra 253B v1 and Llama 3 3 Nemotron Super 49B v1 5 open-weight models?

Llama 3 1 Nemotron Ultra 253B v1: Restricted license. Llama 3 3 Nemotron Super 49B v1 5: Restricted license. Open weights mean the checkpoint can be downloaded and self-hosted under its licence. A missing weight link does not identify every API or chat product that offers a model.

Where can I run Llama 3 1 Nemotron Ultra 253B v1 and Llama 3 3 Nemotron Super 49B v1 5?

ModelCap currently lists 0 API providers for Llama 3 1 Nemotron Ultra 253B v1 and 0 for Llama 3 3 Nemotron Super 49B v1 5, from the OpenRouter catalogue snapshot the site serves; each model page lists the providers and their prices.

How current is this Llama 3 1 Nemotron Ultra 253B v1 vs Llama 3 3 Nemotron Super 49B v1 5 comparison?

Every figure and ModelCap Index position comes from the same published snapshot dated 21 October 2026. Publication and page updates happen separately; use the snapshot date shown on the page.

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