Ask HN: Google Is Retiring Gemini 2.5 Pro and Flash on October 16 Before Shipping a Pro-Class Replacement
A September 11, 2026 Ask HN from waldrews argues Google is sunsetting the Gemini 2.5 generation on roughly two months' notice with nothing equivalent to migrate to; the published retirement date for gemini-2.5-pro and gemini-2.5-flash is October 16, 2026, pushed back from an original June 2026 date, with Gemini 3.1 Pro and 3.6 Flash named as the recorded upgrade paths at higher list prices. The specific loss the poster names is 2.5 Pro's document handling, thousand-page inputs fitting in about 300k tokens, which they say no competitor matches at comparable pricing. The thread is small at 19 points but the comments converge on the same conclusion — one commenter's 'sunsetting a model with a two-month notice is exactly why the open-weight argument keeps winning' — and another reports regressions migrating specific workloads to 3.x Flash.
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