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operationsJune 2, 2026· 5 min read

Model migration without a cold cache: how it works and when to use it

Model migration without a cold cache, canary and migration workflows carry cache value across a model upgrade, so a new model doesn't cold-start your hit rate. Here's how Crowkis does it and why it matters for cost and safety.

Every reworded repeat of a question you've already answered is a full-price model call. Model migration without a cold cache is how Crowkis canary and migration workflows carry cache value across a model upgrade, so a new model doesn't cold-start your hit rate.

In plain words: In plain words: model migration without a cold cache canary and migration workflows carry cache value across a model upgrade, so a new model doesn't cold-start your hit rate.

How it works

Crowkis canary and migration workflows carry cache value across a model upgrade, so a new model doesn't cold-start your hit rate. It runs inside one Redis-compatible engine, so it composes with semantic caching, agent memory, and the other intelligence layers instead of being a separate service you wire together.

Why it matters

Repetitive LLM workloads are where the money is, and semantic caching can cut costs up to 60-70% on repetitive workloads. Model migration without a cold cache is part of what makes that reuse safe rather than reckless, the difference between a cache you trust in production and one you audit after every incident. Drop it in over RESP, gRPC, REST, or MCP, no rewrite required.

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