◉GEMINI LABJP
●FLASH — 3.7 Flash and 3.5 Flash are deprecated. Requests to the old names are routed to 3.8 / 3.6 Flash automatically●NANO 2.1 — gemini-nano-banana-2.1 is GA. gemini-3.1-flash-image is deprecated with no shutdown date yet●DEADLINE — veo-3.1 previews and gemini-omni-flash-preview shut down Oct 22; the old Deep Research agent follows Oct 23 (11-12 days left)●Q&A — Users report Gemini CLI returns a 400 error when you pass more than 128 tools●TTS 3.8 — Gemini 3.8 Flash TTS and Flash-Lite TTS are GA, with a new Voices endpoint●NEW — Keep money and health talk off your history: check temporary chat and settings●FLASH — 3.7 Flash and 3.5 Flash are deprecated. Requests to the old names are routed to 3.8 / 3.6 Flash automatically●NANO 2.1 — gemini-nano-banana-2.1 is GA. gemini-3.1-flash-image is deprecated with no shutdown date yet●DEADLINE — veo-3.1 previews and gemini-omni-flash-preview shut down Oct 22; the old Deep Research agent follows Oct 23 (11-12 days left)●Q&A — Users report Gemini CLI returns a 400 error when you pass more than 128 tools●TTS 3.8 — Gemini 3.8 Flash TTS and Flash-Lite TTS are GA, with a new Voices endpoint●NEW — Keep money and health talk off your history: check temporary chat and settings
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model deprecation

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◎ Updates/2026-08-31Beginner

gemini-robotics-er-1.6-preview Shut Down Today — Your Next Deadline Is September 30, When gemini-omni-flash-preview Goes Away

From today's gemini-robotics-er-1.6-preview shutdown to the September 30 retirement of gemini-omni-flash-preview and the December 31 pricing change, here is every upcoming Gemini deadline in one table, with what to do about each.

⟐ Gemini Dev/2026-08-30Advanced

Why Shipped Clients Deserve a Refusal, Not a Silent Model Substitution

A model can retire, but the apps already on people's phones cannot. This is how I built a sunset ledger keyed on output contracts, and how I now back-date my own deadline from the version residue curve.

◈ Gemini API/2026-08-19Intermediate

gemini-2.5-flash Can Return a 404 'no longer available' While the Docs Still List No Shutdown Date

The shutdown date for gemini-2.5-flash is blank in the official deprecation table, yet 404 reports have been circulating since July. Here is why reading that column as a safety margin misleads you, and how to check your own keys.

◈ Gemini API/2026-06-20Advanced

Catching Gemini Model Deprecations in CI Before They Bite

Build a small guard that scans your codebase for hardcoded Gemini model IDs, cross-checks shutdown deadlines, and turns CI red before a model quietly disappears.