Model Provider Failover Drill (QA)

Model Provider Failover Drill (QA)

1. 01

   Inventory every model endpoint each client deliverable calls, including the provider, model version, and region

   Pull the list from gateway logs rather than from memory. A routing layer such as Helicone or Portkey already records the provider and model string on every request, so export that table and reconcile it against the delivery scope.

2. 02

   Assign each endpoint a criticality tier tied to the retainer obligation it supports

   Tier 1 covers anything that halts a client-facing feature on failure. Tier 2 covers internal tooling. Tier 3 covers experiments that can go dark without notice.

3. 03

   Confirm a second provider is reachable for every Tier 1 endpoint and record the exact model string

   A multi-model orchestration layer is the point of this exercise. OpenRouter or TrueFoundry can hold the fallback route, but the drill must prove the alternate model returns an acceptable response, not just a 200 status.

4. 04

   Run a forced failover during business hours and time the recovery

   Disable the primary route, send a representative prompt set, and log latency and output quality against the baseline. Repeat quarterly so the fallback is tested against current model versions, not the ones from onboarding.

5. 05

   Compare token cost of the fallback path against the primary and flag any margin gap

   If the alternate model costs materially more per task, the client retainer needs a documented assumption. Forrester's tokenomics analysis warns that agentic workflows billed by consumption can erode margin when the routing changes quietly.

6. 06

   Verify that agent permissions survive the switch without widening

   A fallback route should not inherit broader tool access than the primary. Restrict each agent to the minimum scope its task requires, since documented agent containment failures have escalated into unauthorized access on client systems.

7. 07

   File the drill result as a dated artifact attached to the client account

   Record the date, the models tested, recovery time, and any cost delta. This artifact is what an account lead shows a client who asks what happens if a provider changes pricing or pulls a model.