OpenRouter upstage/solar-pro-3 model retirement

Stopped workingOctober 30, 2026Subscribe to OpenRouterShare

On October 30, 2026, OpenRouter retired the model upstage/solar-pro-3. Calls using model upstage/solar-pro-3 fail since that date.

The error you get

What OpenRouter answers a call to upstage/solar-pro-3 once the model is gone, as recorded from real responses:

HTTP 404

{"error":{"message":"No endpoints found for upstage/solar-pro-3.","code":404}}

What to use instead of upstage/solar-pro-3

OpenRouter stopped serving this model, so you need to move to another model it lists.

Facts

API: OpenRouter openrouter.ai
Model: upstage/solar-pro-3
Released: January 26, 2026 (models.dev)
Kind: Model retirement
Takes effect: October 30, 2026
Calls after that day: Fail
Source: Model list
Last updated: November 4, 2026
Verified: November 6, 2026, against OpenRouter's own pages

Questions

When does upstage/solar-pro-3 shut down?

Calls to the model upstage/solar-pro-3 on OpenRouter stopped working on October 30, 2026.

What happens to calls after October 30, 2026?

They have failed since October 30, 2026.

What error does upstage/solar-pro-3 return once it is shut down?

OpenRouter answers HTTP 404: "No endpoints found for upstage/solar-pro-3.". Send another model to fix it.

When was upstage/solar-pro-3 released?

upstage/solar-pro-3 was released on January 26, 2026, according to models.dev.

How do I find the calls this hits in my code?

Okapi reads your repository, finds the calls this change hits and opens a pull request with the fix. It never commits to your branches: every change comes as a pull request you review.

You fixed this one by hand.

Okapi opens the pull request with the fix before the next breaking change reaches your code.

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