NVIDIA: Nemotron 3 Ultra (free)

Nvidia

NVIDIA Nemotron 3 Ultra is an open frontier-reasoning and orchestration model from NVIDIA, with 55B active parameters ou

1M+ context
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Specifications

VendorNvidia
Familynvidia
Context1M · 750k words（≈ a novella）
Max output1M · 750k words（≈ a novella）
Released2026-06-19
Open sourceNo
Tool use—

Pricing across channels

per 1M tokens, USD

ChannelTypeInputOutput→
OpenRouter (auto)Aggregator$0$0visitAd
OpenRouter API (auto-fetched)· 2026-06-19

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