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Head-to-head comparison

Llama 3.1 8B Instruct vs Nemotron Nano 9B V2

Llama 3.1 8B Instruct (Meta) and Nemotron Nano 9B V2 (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, Llama 3.1 8B Instruct holds the stronger ModelCap Index position (#212 vs #214); Nemotron Nano 9B V2 is cheaper per output token (Free/1M vs $0.08/1M); and Llama 3.1 8B Instruct offers the longer context window (131K vs 128K tokens).

Which should you choose?

Choose Llama 3.1 8B Instruct if…

  • you want the stronger overall ModelCap Index position — #212 against #214 (3.9 vs 2.7 points).
  • you need the longer context window — 131K tokens against 128K.
  • you want provider choice — 5 listed API providers against 1.

Choose Nemotron Nano 9B V2 if…

  • 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 want the more recently listed model — Nemotron Nano 9B V2 was listed 5 September 2025, Llama 3.1 8B Instruct 23 July 2024.

Llama 3.1 8B Instruct vs Nemotron Nano 9B V2: specs, pricing and context

Specification comparison of Llama 3.1 8B Instruct and Nemotron Nano 9B V2
FieldLlama 3.1 8B InstructMetaNemotron Nano 9B V2NVIDIA
ModelCap Index position#212#214
Index score3.92.7
EvidenceMeasuredMeasured
Input price / 1M tokens$0.05Free
Output price / 1M tokens$0.08Free
Context window131K tokens128K tokens
Max output tokens131K—
API providers listed51
Weight accessGated accessRestricted license
Input modalitiesTextText
First listed23 July 20245 September 2025
PublisherMetaNVIDIA

Evidence: 2 public benchmark observations across 2 boards · 1 public benchmark observation across 1 board. Prices are the lowest listed API offer per million tokens observed on the OpenRouter catalogue.

Benchmark scores: Llama 3.1 8B Instruct vs Nemotron Nano 9B V2

Public benchmark boards where Llama 3.1 8B Instruct or Nemotron Nano 9B V2 has a published result
BoardLlama 3.1 8B InstructNemotron Nano 9B V2Leads
Arena codingArena (LMArena)12601252–1267—Only one result
BFCL V4UC Berkeley (Gorilla)25.8Prompt—Only one result
Artificial Analysis Intelligence IndexArtificial Analysis—7.2intelligence-indexOnly 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 Nano 9B V2: common questions

Is Llama 3.1 8B Instruct better than Nemotron Nano 9B V2?

Llama 3.1 8B Instruct ranks higher on the ModelCap Index as of 17 August 2026: #212 against #214. 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 Nano 9B V2?

Nemotron Nano 9B V2 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 Nano 9B V2. 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 Nano 9B V2?

Llama 3.1 8B Instruct has the larger context window: 131K tokens against 128K.

Which is better for coding, Llama 3.1 8B Instruct or Nemotron Nano 9B V2?

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 Nano 9B V2 open-weight models?

Llama 3.1 8B Instruct: Gated access. Nemotron Nano 9B V2: 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 Nano 9B V2?

ModelCap currently lists 5 API providers for Llama 3.1 8B Instruct and 1 for Nemotron Nano 9B V2, 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 Nano 9B V2 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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