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Ethen Blog

Engineering

Architecture and implementation notes from the engineers building Ethen: verification, durable jobs, routing, and release discipline. 18 articles.

  1. What a Release Certificate Actually Proves at EthenEngineering15 min
  2. How Ethen Gateway Chooses an Eligible ModelEngineering18 min
  3. Showing Unknowns in Ethen Model IntelligenceEngineering16 min
  4. Building Durable Image and Video Jobs in Ethen StudioEngineering11 min
  5. How Ethen Chat Starts a Voice SessionEngineering13 min
  6. Making Mission Completion Depend on EvidenceEngineering18 min
  7. When an Agent Action's Outcome Is UnknownEngineering13 min
  8. Moving Ethen Designer Into Its Own AppEngineering12 min
  9. Separating Automation Triggers From ExecutionEngineering12 min
  10. Keeping Code History Scoped to the Signed-In UserEngineering16 min
  11. What We Learned Publishing 40 Research Papers at OnceEngineering12 min
  12. What We're Improving About Reliability Across EthenEngineering13 min
  13. Why Ethen Is Building for Recoverable AI WorkEngineering13 min
  14. What Happens When an AI Task Fails Halfway Through?Engineering12 min
  15. Building a Public Research Archive That Can Scale Past 100 PapersEngineering13 min
  16. What We Learned Publishing 165 Research VisualsEngineering13 min
  17. What 1,499 AI Endpoints Taught Us About Model Catalog DesignEngineering12 min
  18. How AI Agents Are Changing the Way We Build EthenEngineering12 min