01 · Operational consequence
Lifecycleupcoming
Severityhigh
ConsequenceGemini API requests using gemini-omni-flash-preview are scheduled to stop working after September 30, 2026.
02 · Affected subjects
Componentsgemini-omni-flash-preview
AudienceDevelopers whose Gemini API integrations call gemini-omni-flash-preview.
RegionGemini API; no regional exception documented
03 · Detection
Stable event IDksr-google-gemini-omni-flash-preview-2026-09-30
Change typeretirement
04 · Before → after
Beforegemini-omni-flash-preview remains available during the deprecation window.
AfterScheduled for shutdown on September 30, 2026.
05 · Required action
ActionReplace gemini-omni-flash-preview with gemini-omni-1.1-flash and regression-test multimodal behavior, tool use, latency and cost before September 30.
Replacement or migration pathgemini-omni-1.1-flash
06 · Actionable date
Date roleMigration deadline
Date2026-09-30
Statusupcoming
07 · Kingy reproduction
StatusNot tested
LimitationsSource evidence reviewed; no paid vendor call or production reproduction was run.
08 · Sources and revision
Checked2026-09-04
Official sourceshttps://ai.google.dev/gemini-api/docs/deprecations · https://ai.google.dev/gemini-api/docs/changelog
Correction historyNo corrections recorded.