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Head-to-head comparison

Llama 3.1 Nemotron 70B Instruct HF vs Llama 3 1 Nemotron Ultra 253B v1

Llama 3.1 Nemotron 70B Instruct HF (NVIDIA) and Llama 3 1 Nemotron Ultra 253B v1 (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 17 September 2026

As of 17 September 2026, Llama 3 1 Nemotron Ultra 253B v1 holds the stronger ModelCap Index position (#136 vs #185).

Which should you choose?

Choose Llama 3.1 Nemotron 70B Instruct HF if…

  • ModelCap publishes no field on which Llama 3.1 Nemotron 70B Instruct HF leads Llama 3 1 Nemotron Ultra 253B v1 for this pair.

Choose Llama 3 1 Nemotron Ultra 253B v1 if…

  • you want the stronger overall ModelCap Index position — #136 against #185 (34.6 vs 17.9 points).
  • you want the more recently listed model — Llama 3 1 Nemotron Ultra 253B v1 was listed 7 April 2025, Llama 3.1 Nemotron 70B Instruct HF 12 October 2024.

Llama 3.1 Nemotron 70B Instruct HF vs Llama 3 1 Nemotron Ultra 253B v1: specs, pricing and context

Specification comparison of Llama 3.1 Nemotron 70B Instruct HF and Llama 3 1 Nemotron Ultra 253B v1
FieldLlama 3.1 Nemotron 70B Instruct HFNVIDIALlama 3 1 Nemotron Ultra 253B v1NVIDIA
ModelCap Index position#185#136
Index score17.934.6
EvidenceInheritedMeasured
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 listed12 October 20247 April 2025
PublisherNVIDIANVIDIA

Evidence: finetune of meta-llama/llama-3.1-70b-instruct · finetune (100%) · 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 70B Instruct HF vs Llama 3 1 Nemotron Ultra 253B v1

Public benchmark boards where Llama 3.1 Nemotron 70B Instruct HF or Llama 3 1 Nemotron Ultra 253B v1 has a published result
BoardLlama 3.1 Nemotron 70B Instruct HFLlama 3 1 Nemotron Ultra 253B v1Leads
Arena codingArena (LMArena)—13911362–1421Only one result
BFCL V4UC Berkeley (Gorilla)—10.0Function callingOnly 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 70B Instruct HF vs Llama 3 1 Nemotron Ultra 253B v1: common questions

Is Llama 3.1 Nemotron 70B Instruct HF better than Llama 3 1 Nemotron Ultra 253B v1?

Llama 3 1 Nemotron Ultra 253B v1 ranks higher on the ModelCap Index as of 17 September 2026: #136 against #185. 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 70B Instruct HF cheaper than Llama 3 1 Nemotron Ultra 253B v1?

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 70B Instruct HF or Llama 3 1 Nemotron Ultra 253B v1?

Both publish a —-token context window.

Which is better for coding, Llama 3.1 Nemotron 70B Instruct HF or Llama 3 1 Nemotron Ultra 253B v1?

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 Llama 3.1 Nemotron 70B Instruct HF and Llama 3 1 Nemotron Ultra 253B v1 open-weight models?

Llama 3.1 Nemotron 70B Instruct HF: Restricted license. Llama 3 1 Nemotron Ultra 253B v1: 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 Llama 3.1 Nemotron 70B Instruct HF and Llama 3 1 Nemotron Ultra 253B v1?

ModelCap currently lists 0 API providers for Llama 3.1 Nemotron 70B Instruct HF and 0 for Llama 3 1 Nemotron Ultra 253B v1, 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 70B Instruct HF vs Llama 3 1 Nemotron Ultra 253B v1 comparison?

Every figure comes from the sealed ModelCap dataset published 17 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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