Same Claude model served by Bedrock one day and Anthropic the next, dev finds

georgos_pappas · reddit · 2026-11-04

A developer building a desktop app that routes one prompt to multiple models stamped every answer with model, time, and the actual serving host. Reviewing his history, he found the same Claude model was served by Amazon Bedrock on Oct 26 and directly by Anthropic on Oct 28 — same model name, same prompt style, different company running it.

Key implications he highlights:

He asks whether others pin providers when routing, and whether anyone has seen output differences for the same model across hosts.

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