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Head-to-head comparison

Llama 3.1 8B Instruct vs Nemotron 3 Nano Omni

Llama 3.1 8B Instruct (Meta) and Nemotron 3 Nano Omni (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 August 2026

As of 17 August 2026, Nemotron 3 Nano Omni holds the stronger ModelCap Index position (#211 vs #212); Nemotron 3 Nano Omni is cheaper per output token (Free/1M vs $0.08/1M); and Nemotron 3 Nano Omni offers the longer context window (256K vs 131K tokens).

Which should you choose?

Choose Llama 3.1 8B Instruct if…

  • you want provider choice — 5 listed API providers against 1.

Choose Nemotron 3 Nano Omni if…

  • you want the stronger overall ModelCap Index position — #211 against #212 (4.0 vs 3.9 points).
  • API cost matters — Free/1M output tokens against $0.08/1M.
  • your workload is prompt-heavy — input tokens cost Free/1M against $0.05/1M.
  • you need the longer context window — 256K tokens against 131K.
  • you want the more recently listed model — Nemotron 3 Nano Omni was listed 28 April 2026, Llama 3.1 8B Instruct 23 July 2024.

Llama 3.1 8B Instruct vs Nemotron 3 Nano Omni: specs, pricing and context

Specification comparison of Llama 3.1 8B Instruct and Nemotron 3 Nano Omni
FieldLlama 3.1 8B InstructMetaNemotron 3 Nano OmniNVIDIA
ModelCap Index position#212#211
Index score3.94.0
EvidenceMeasuredEstimated
Input price / 1M tokens$0.05Free
Output price / 1M tokens$0.08Free
Context window131K tokens256K tokens
Max output tokens131K66K
API providers listed51
Weight accessGated accessRestricted license
Input modalitiesTextText, Audio, Image, Video
First listed23 July 202428 April 2026
PublisherMetaNVIDIA

Evidence: 2 public benchmark observations across 2 boards · publisher corpus prior · leave-one-anchor-out calibrated. Prices are the lowest listed API offer per million tokens observed on the OpenRouter catalogue.

Benchmark scores: Llama 3.1 8B Instruct vs Nemotron 3 Nano Omni

Public benchmark boards where Llama 3.1 8B Instruct or Nemotron 3 Nano Omni has a published result
BoardLlama 3.1 8B InstructNemotron 3 Nano OmniLeads
Arena codingArena (LMArena)12601252–1267—Only one result
BFCL V4UC Berkeley (Gorilla)25.8Prompt—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 8B Instruct vs Nemotron 3 Nano Omni: common questions

Is Llama 3.1 8B Instruct better than Nemotron 3 Nano Omni?

Nemotron 3 Nano Omni ranks higher on the ModelCap Index as of 17 August 2026: #211 against #212. 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.

Is Llama 3.1 8B Instruct cheaper than Nemotron 3 Nano Omni?

Nemotron 3 Nano Omni is cheaper on output tokens: Free/1M against $0.08/1M. Input tokens are $0.05/1M for Llama 3.1 8B Instruct and Free/1M for Nemotron 3 Nano Omni. Prices are the lowest listed API offer ModelCap observed, in USD per million tokens.

Which has the bigger context window, Llama 3.1 8B Instruct or Nemotron 3 Nano Omni?

Nemotron 3 Nano Omni has the larger context window: 256K tokens against 131K.

Which is better for coding, Llama 3.1 8B Instruct or Nemotron 3 Nano Omni?

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 8B Instruct and Nemotron 3 Nano Omni open-weight models?

Llama 3.1 8B Instruct: Gated access. Nemotron 3 Nano Omni: 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 8B Instruct and Nemotron 3 Nano Omni?

ModelCap currently lists 5 API providers for Llama 3.1 8B Instruct and 1 for Nemotron 3 Nano Omni, from the OpenRouter catalogue snapshot the site serves; each model page lists the providers and their prices.

How current is this Llama 3.1 8B Instruct vs Nemotron 3 Nano Omni comparison?

Every figure comes from the sealed ModelCap dataset published 17 August 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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