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Nvidia Nemotron 3 Ultra 550B Thinking

NanoGPTOpen weights

Nvidia Nemotron 3 Ultra 550B Thinking by NanoGPT costs $0.50 per 1M input tokens and $2.50 per 1M output tokens, with a 1M-token context window.

Pricing

Input (per 1M tokens)
$0.50
Output (per 1M tokens)
$2.50
Cached input (per 1M)
$0.25

Specifications

Provider
NanoGPT
Context window
1M tokens
Parameters
—
Released
Jun 2026
Open weights
Yes
Frontier model
No

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FAQ

Pricing is per 1M tokens (USD); confirm with the provider before production use.