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Head-to-head comparison

Nemotron 3 Ultra vs NVIDIA Nemotron Labs Teacher STEM

Nemotron 3 Ultra (NVIDIA) and NVIDIA Nemotron Labs Teacher STEM (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 Ultra holds the stronger ModelCap Index position (#43 vs #208).

Which should you choose?

Choose Nemotron 3 Ultra if…

  • you want the stronger overall ModelCap Index position — #43 against #208 (52.9 vs 4.3 points).
  • you want provider choice — 4 listed API providers against 0.

Choose NVIDIA Nemotron Labs Teacher STEM if…

  • you want the more recently listed model — NVIDIA Nemotron Labs Teacher STEM was listed 14 August 2026, Nemotron 3 Ultra 4 June 2026.

Nemotron 3 Ultra vs NVIDIA Nemotron Labs Teacher STEM: specs, pricing and context

Specification comparison of Nemotron 3 Ultra and NVIDIA Nemotron Labs Teacher STEM
FieldNemotron 3 UltraNVIDIANVIDIA Nemotron Labs Teacher STEMNVIDIA
ModelCap Index position#43#208
Index score52.94.3
EvidenceMeasuredEstimated
Input price / 1M tokens$0.60Unlisted
Output price / 1M tokens$3.60Unlisted
Context window512K tokens— tokens
Max output tokens203K—
API providers listed40
Weight accessRestricted licenseRestricted license
Input modalitiesTextText
First listed4 June 202614 August 2026
PublisherNVIDIANVIDIA

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: Nemotron 3 Ultra vs NVIDIA Nemotron Labs Teacher STEM

Public benchmark boards where Nemotron 3 Ultra or NVIDIA Nemotron Labs Teacher STEM has a published result
BoardNemotron 3 UltraNVIDIA Nemotron Labs Teacher STEMLeads
LMArena AgentLMArena-14.6%-17.2%–-12.1%—Only one result
Artificial Analysis Intelligence IndexArtificial Analysis38.3intelligence-index—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 Ultra vs NVIDIA Nemotron Labs Teacher STEM: common questions

Is Nemotron 3 Ultra better than NVIDIA Nemotron Labs Teacher STEM?

Nemotron 3 Ultra ranks higher on the ModelCap Index as of 17 August 2026: #43 against #208. 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 Nemotron 3 Ultra cheaper than NVIDIA Nemotron Labs Teacher STEM?

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 Ultra or NVIDIA Nemotron Labs Teacher STEM?

Both publish a 512K-token context window.

Which is better for coding, Nemotron 3 Ultra or NVIDIA Nemotron Labs Teacher STEM?

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 Ultra and NVIDIA Nemotron Labs Teacher STEM open-weight models?

Nemotron 3 Ultra: Restricted license. NVIDIA Nemotron Labs Teacher STEM: 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 Ultra and NVIDIA Nemotron Labs Teacher STEM?

ModelCap currently lists 4 API providers for Nemotron 3 Ultra and 0 for NVIDIA Nemotron Labs Teacher STEM, from the OpenRouter catalogue snapshot the site serves; each model page lists the providers and their prices.

How current is this Nemotron 3 Ultra vs NVIDIA Nemotron Labs Teacher STEM 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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