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Head-to-head comparison

Nemotron Cascade 2 30B A3B vs OpenMath2 Llama3.1 8B

Nemotron Cascade 2 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 Cascade 2 30B A3B holds the stronger ModelCap Index position (#139 vs #214).

Which should you choose?

Choose Nemotron Cascade 2 30B A3B if…

  • you want the stronger overall ModelCap Index position — #139 against #214 (34.2 vs 5.9 points).
  • you want the more recently listed model — Nemotron Cascade 2 30B A3B was listed 18 March 2026, 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 Cascade 2 30B A3B for this pair.

Nemotron Cascade 2 30B A3B vs OpenMath2 Llama3.1 8B: specs, pricing and context

Specification comparison of Nemotron Cascade 2 30B A3B and OpenMath2 Llama3.1 8B
FieldNemotron Cascade 2 30B A3BNVIDIAOpenMath2 Llama3.1 8BNVIDIA
ModelCap Index position#139#214
Index score34.25.9
EvidenceEstimatedInherited
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 listed18 March 202630 September 2024
PublisherNVIDIANVIDIA

Evidence: publisher-corpus-prior over 197 held-out anchors (58%); launch card against 3 resolved peers on 11 rows (42%); exceeds every named peer on 3 of 11 rows; optimism haircut 0 from cross-lab-probe; shrunk 0.5 up toward the measured corpus · 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 Cascade 2 30B A3B vs OpenMath2 Llama3.1 8B

Public benchmark boards where Nemotron Cascade 2 30B A3B or OpenMath2 Llama3.1 8B has a published result
BoardNemotron Cascade 2 30B A3BOpenMath2 Llama3.1 8BLeads
AA τ²-Bench TelecomArtificial Analysis53.2%tau2:telecom:dual-control:pass-at-1:3-repeats:source-model="Nemotron Cascade 2 30B A3B":reasoning=true—Only one result
AA Humanity's Last ExamArtificial Analysis12.0%hle:may-2025:text-only-2158:no-tools:pass-at-1:source-model="Nemotron Cascade 2 30B A3B":reasoning=true—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 Cascade 2 30B A3B vs OpenMath2 Llama3.1 8B: common questions

Is Nemotron Cascade 2 30B A3B better than OpenMath2 Llama3.1 8B?

Nemotron Cascade 2 30B A3B ranks higher on the ModelCap Index as of 17 September 2026: #139 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 Cascade 2 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 Cascade 2 30B A3B or OpenMath2 Llama3.1 8B?

Both publish a —-token context window.

Which is better for coding, Nemotron Cascade 2 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 Cascade 2 30B A3B and OpenMath2 Llama3.1 8B open-weight models?

Nemotron Cascade 2 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 Cascade 2 30B A3B and OpenMath2 Llama3.1 8B?

ModelCap currently lists 0 API providers for Nemotron Cascade 2 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 Cascade 2 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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