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Model prices / NVIDIA / Llama 3.1 Nemotron Ultra 253B

Llama 3.1 Nemotron Ultra 253BDeprecatedOpen weights

NVIDIA · released 2025-04-07

Llama 3.1 Nemotron Ultra 253B is only on record at providers that price it at 0 (as of 2026-11-12). Context window: 128K tokens, up to 16.4K output tokens per request. This model is marked as deprecated.

Price by providerUSD per 1M tokens

ProviderInputOutputCachedNotes
NvidiaOfficialDeprecatednvidia/llama-3.1-nemotron-ultra-253b-v1
$0$0—OfficialDeprecatedOfficial docs

Providers are those listed by models.dev. This site has not vetted them one by one; each provider's own page has the binding price.

About

Flagship Nemotron model for high-throughput reasoning and complex agents

Description from models.dev.

Specs

Type
Text
Context
128K
Max output
16.4K
Input
Text
Output
Text
Reasoning
Yes
Tool calling
Yes
Structured output
—
Knowledge cutoff
—
Open weights
Yes
Released
2025-04-07

Source

Prices and specs come from models.dev (MIT licence), updated 2026-11-12. Each provider's name links to its official docs. A provider priced at 0 usually includes the model in a subscription; it is not necessarily a free API.