ModelClock
Upstage · First-party API · LLM

solar-pro3

Shutdown scheduledShuts down on Oct 30, 202625 days leftPublished in KST; starts Oct 29, 03:00 PM UTC

Provider-recommended replacement: solar-pro4

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Notice

Shutdown scheduled25 days left

Shuts down on Oct 30, 2026

Published in KST; starts Oct 29, 03:00 PM UTC

Upstage publishes 2026-10-30 as the shutdown date. AWS AI Initiative participants.

Hosting route
First-party API
Affected scope
AWS AI Initiative participants
Replacement
solar-pro4
Announced
Sep 30, 2026
First seen by ModelClock
Oct 4, 2026

What the provider published

console.upstage.ai ↗

September 30, 2026

Solar Pro 3 deprecation: AWS AI Initiative participants should switch to Solar Pro 4

AWS AI InitiativeDeprecationBreaking Change

  • Solar Pro 3 (the solar-pro3 alias and all of its versions) will be fully deprecated on October 30, 2026 (KST). This also applies to organizations in the Upstage x AWS AI Initiative. Requests naming it will return an error after that date.

  • If your organization takes part in the AWS AI Initiative, please switch to Solar Pro 4 (solar-pro4) before October 30, 2026 (KST). Solar Pro 4 is included in the free models provided through the program.

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

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