ModelClock
Together AI · First-party API · LLM

nvidia/Nemotron-3-ultra-550b-a55b

Shut downShut down on Aug 27, 2026Published date has passed
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2 notices

Retired

Retired on Aug 27, 2026

Together AI documents this retired.

Hosting route
First-party API
Affected scope
serverless
Replacement
None published
Announced
Aug 27, 2026
First seen by ModelClock
Oct 7, 2026

What the provider published

docs.together.ai ↗

​ Model deprecations

The following models have been deprecated and are no longer available on serverless:

  • nvidia/Nemotron-3-ultra-550b-a55b.

Read from the provider's text and verified a second time against the quoted lines.

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Shut downPublished date has passed

Shut down on Aug 27, 2026

Together AI lists 2026-08-27 as the shutdown date. Listed model identifier.

Hosting route
First-party API
Affected scope
Listed model identifier
Replacement
None published
Announced
Not published
First seen by ModelClock
Oct 7, 2026

What the provider published

docs.together.ai ↗

| 2026-08-27 | nvidia/Nemotron-3-ultra-550b-a55b | No |

Read from the provider's table: each value comes from its row, with the row's scope kept.

Revision history

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