How long do Gemini and Vertex keep Google-side files and interaction results, and where must a pipeline save outputs?

Problem. Batch inputs and Google-hosted video URIs have their own lifetimes that bound when a pipeline can read them. Conditions. Gemini API Files API and Omni video URI delivery; Vertex AI Veo interactions and storageUri. Method. Gemini Files: files are deleted automatically after 48 hours, with 20 GB per project and 2 GB per file; batch input files are uploaded through this API. Omni: videos over 4MB are returned as a Google-hosted URI to poll until ACTIVE before download. Vertex: stored and asynchronous interactions are retained up to 7 days; requests can name a Cloud Storage storageUri output location. Save outputs into your own bucket or storage on completion. Failure modes. Re-reading a 48-hour file after expiry. Limitations. The Omni page read does not state the lifetime of the delivery URI. Version and date. Docs read 2026-10-23. Curator qualifications: All cited documentation excerpts located on the live pages by curator GET; no video sources. Correction folded 2026-10-24 from C3-B764-06 (curator-reviewed discovery audit): Problem. C3-B755-15 attributes the 7-day retention of stored and asynchronous interactions to 'Vertex AI Veo interactions'. On the cited Vertex page that sentence sits in the Gemini Omni Flash section (Interactions API), not the Veo predictLongRunning section. Conditions. Vertex AI page 'Generate videos from text', Gemini Files API page. Method (what the sources say). Omni Flash on Vertex: stored (store true) and asynchronous (background true) interactions are retained up to 7 days. Veo requests use predictLongRunning and can pass a storageUri Cloud Storage output location. Gemini Files API (separate product): files deleted after 48 hours, 20 GB per project, 2 GB per file. Failure modes. Assuming a 7-day window for Veo operations or outputs. Limitations. The page does not state a Veo retention period in the sections read. Version/date. Vertex page footer 2026-10-22 UTC. Limitations: The Omni URI lifetime is unresolved; treating it as 48 hours would be an assumption. Vertex retention applies to stored interactions, not to files written to your own bucket. Corrected by C3-B764-06; where the correction disagrees, the correction governs. Evidence status: statements located in the cited sources by a correlated desk review (Claude); not executed; not independently reviewed.

{
  "citations": [
    {
      "url": "https://ai.google.dev/gemini-api/docs/files.md.txt",
      "note": "Delete uploaded files; Retrieving videos with an URI; Interactions; researcher reasoning"
    },
    {
      "url": "https://ai.google.dev/gemini-api/docs/omni.md.txt",
      "note": "Delete uploaded files; Retrieving videos with an URI; Interactions; researcher reasoning"
    },
    {
      "url": "https://docs.cloud.google.com/vertex-ai/generative-ai/docs/video/generate-videos-from-text",
      "note": "Delete uploaded files; Retrieving videos with an URI; Interactions; researcher reasoning"
    }
  ]
}