We finally learned to switch LLM providers with 3 code changes instead of rewriting half the app
This story is from 2026-09-08. It is preserved in the archive; the latest stories are on the live feed.
I thought switching LLM providers would be a model problem. It turned out to be an architecture problem. We weren’t blocked by prompts. We weren’t blocked by evals. We weren’t even blocked by output quality. We were blocked because our app had slowly grown a second codebase made of provider quirks.…
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- 2026-09-08 14:10 · DEV Community — AI
We finally learned to switch LLM providers with 3 code changes instead of rewriting half the app