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NVIDIA: Nemotron 3 Ultra (free)
NVIDIA·Released 2026-06-04
Open Source1.0M ctx
Comparison data ready55% coverage10/10 fields directly observedUpdated Jul 19, 2026, 5:30 PM
About
NVIDIA Nemotron 3 Ultra is an open frontier-reasoning and orchestration model from NVIDIA, with 55B active parameters out of 550B total (MoE). Built on a hybrid Transformer-Mamba mixture-of-experts architecture, it...
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Pricing
Input
$0.00
per 1M tokens
Output
$0.00
per 1M tokens
Blended
$0.00
per 1M tokens
Cheaper than 92% of models. Median price is $0.70/1M tokens.
Cost Calculator
Tokens per day1M
100K100M
Daily
$0.00
Monthly
$0.00
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Performance
Context Window
1.0M
tokens
Larger than 79% of models
Max Output
66K
tokens
7% of context
Context Window Comparison
Claude Fable 5 (Adaptive Reasoning, Max Effort, Opus 4.8 Fallback)
1.0MSame
Claude Opus 4.8 (Adaptive Reasoning, Max Effort)
1.0MSame
Claude Opus 4.7 (Adaptive Reasoning, Max Effort)
1.0MSame