Skip to content
ModelCap

Head-to-head comparison

Llama 3 1 Nemotron 51B Instruct vs Llama 3.3 Nemotron 70B Reward Multilingual

Llama 3 1 Nemotron 51B Instruct (NVIDIA) and Llama 3.3 Nemotron 70B Reward Multilingual (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 3.3 Nemotron 70B Reward Multilingual holds the stronger ModelCap Index position (#173 vs #189).

Which should you choose?

Choose Llama 3 1 Nemotron 51B Instruct if…

  • ModelCap publishes no field on which Llama 3 1 Nemotron 51B Instruct leads Llama 3.3 Nemotron 70B Reward Multilingual for this pair.

Choose Llama 3.3 Nemotron 70B Reward Multilingual if…

  • you want the stronger overall ModelCap Index position — #173 against #189 (23.6 vs 17.2 points).
  • you want the more recently listed model — Llama 3.3 Nemotron 70B Reward Multilingual was listed 28 May 2025, Llama 3 1 Nemotron 51B Instruct 22 September 2024.

Llama 3 1 Nemotron 51B Instruct vs Llama 3.3 Nemotron 70B Reward Multilingual: specs, pricing and context

Specification comparison of Llama 3 1 Nemotron 51B Instruct and Llama 3.3 Nemotron 70B Reward Multilingual
FieldLlama 3 1 Nemotron 51B InstructNVIDIALlama 3.3 Nemotron 70B Reward MultilingualNVIDIA
ModelCap Index position#189#173
Index score17.223.6
EvidenceMeasuredInherited
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 listed22 September 202428 May 2025
PublisherNVIDIANVIDIA

Evidence: 2 public benchmark observations across 2 boards · finetune of meta-llama/llama-3.3-70b-instruct · finetune (100%). Prices are the lowest listed API offer per million tokens observed on the OpenRouter catalogue.

Benchmark scores: Llama 3 1 Nemotron 51B Instruct vs Llama 3.3 Nemotron 70B Reward Multilingual

Public benchmark boards where Llama 3 1 Nemotron 51B Instruct or Llama 3.3 Nemotron 70B Reward Multilingual has a published result
BoardLlama 3 1 Nemotron 51B InstructLlama 3.3 Nemotron 70B Reward MultilingualLeads
Arena codingArena (LMArena)13121291–1334—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 51B Instruct vs Llama 3.3 Nemotron 70B Reward Multilingual: common questions

Is Llama 3 1 Nemotron 51B Instruct better than Llama 3.3 Nemotron 70B Reward Multilingual?

Llama 3.3 Nemotron 70B Reward Multilingual ranks higher on the ModelCap Index as of 17 September 2026: #173 against #189. 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 51B Instruct cheaper than Llama 3.3 Nemotron 70B Reward Multilingual?

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 51B Instruct or Llama 3.3 Nemotron 70B Reward Multilingual?

Both publish a —-token context window.

Which is better for coding, Llama 3 1 Nemotron 51B Instruct or Llama 3.3 Nemotron 70B Reward Multilingual?

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 51B Instruct and Llama 3.3 Nemotron 70B Reward Multilingual open-weight models?

Llama 3 1 Nemotron 51B Instruct: Restricted license. Llama 3.3 Nemotron 70B Reward Multilingual: 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 51B Instruct and Llama 3.3 Nemotron 70B Reward Multilingual?

ModelCap currently lists 0 API providers for Llama 3 1 Nemotron 51B Instruct and 0 for Llama 3.3 Nemotron 70B Reward Multilingual, 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 51B Instruct vs Llama 3.3 Nemotron 70B Reward Multilingual 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.

Explore further