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Head-to-head comparison

Nemotron 3 Nano 30B A3B vs OpenMath2 Llama3.1 8B

Nemotron 3 Nano 30B A3B (NVIDIA) and OpenMath2 Llama3.1 8B (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, Nemotron 3 Nano 30B A3B holds the stronger ModelCap Index position (#168 vs #214).

Which should you choose?

Choose Nemotron 3 Nano 30B A3B if…

  • you want the stronger overall ModelCap Index position — #168 against #214 (24.4 vs 5.9 points).
  • you want provider choice — 4 listed API providers against 0.
  • you want the more recently listed model — Nemotron 3 Nano 30B A3B was listed 14 December 2025, OpenMath2 Llama3.1 8B 30 September 2024.

Choose OpenMath2 Llama3.1 8B if…

  • ModelCap publishes no field on which OpenMath2 Llama3.1 8B leads Nemotron 3 Nano 30B A3B for this pair.

Nemotron 3 Nano 30B A3B vs OpenMath2 Llama3.1 8B: specs, pricing and context

Specification comparison of Nemotron 3 Nano 30B A3B and OpenMath2 Llama3.1 8B
FieldNemotron 3 Nano 30B A3BNVIDIAOpenMath2 Llama3.1 8BNVIDIA
ModelCap Index position#168#214
Index score24.45.9
EvidenceMeasuredInherited
Input price / 1M tokens$0.06Unlisted
Output price / 1M tokens$0.24Unlisted
Context window262K tokens— tokens
Max output tokens236K—
API providers listed40
Weight accessRestricted licenseRestricted license
Input modalitiesTextText
First listed14 December 202530 September 2024
PublisherNVIDIANVIDIA

Evidence: 2 public benchmark observations across 2 boards · finetune of meta-llama/Llama-3.1-8B · finetune (100%). Prices are the lowest listed API offer per million tokens observed on the OpenRouter catalogue.

Benchmark scores: Nemotron 3 Nano 30B A3B vs OpenMath2 Llama3.1 8B

Public benchmark boards where Nemotron 3 Nano 30B A3B or OpenMath2 Llama3.1 8B has a published result
BoardNemotron 3 Nano 30B A3BOpenMath2 Llama3.1 8BLeads
Arena codingArena (LMArena)13611350–1371BF16—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.

Nemotron 3 Nano 30B A3B vs OpenMath2 Llama3.1 8B: common questions

Is Nemotron 3 Nano 30B A3B better than OpenMath2 Llama3.1 8B?

Nemotron 3 Nano 30B A3B ranks higher on the ModelCap Index as of 17 September 2026: #168 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. Their published uncertainty intervals overlap, so the rank difference alone does not establish a reliable capability advantage for your workload.

Is Nemotron 3 Nano 30B A3B cheaper than OpenMath2 Llama3.1 8B?

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, Nemotron 3 Nano 30B A3B or OpenMath2 Llama3.1 8B?

Both publish a 262K-token context window.

Which is better for coding, Nemotron 3 Nano 30B A3B or OpenMath2 Llama3.1 8B?

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 Nemotron 3 Nano 30B A3B and OpenMath2 Llama3.1 8B open-weight models?

Nemotron 3 Nano 30B A3B: Restricted license. OpenMath2 Llama3.1 8B: 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 Nemotron 3 Nano 30B A3B and OpenMath2 Llama3.1 8B?

ModelCap currently lists 4 API providers for Nemotron 3 Nano 30B A3B and 0 for OpenMath2 Llama3.1 8B, from the OpenRouter catalogue snapshot the site serves; each model page lists the providers and their prices.

How current is this Nemotron 3 Nano 30B A3B vs OpenMath2 Llama3.1 8B 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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