References 282% CONFIDENCEOverall confidence: 82%How well the pin's source and references back up its dates.Weighted average of how firmly 2 references, the source included, support the pin's start and end times; a reference counts half as much for every 180 days older than the newestShow all pins at 75% confidence or better

The first entry is always the pin's source. Overall confidence is a weighted average of how firmly each reference supports the start and end times used above; a reference counts half as much for every 180 days older than the newest.

• [1]90%
  blog.google/products/gemini/gemini-2-5-model-family-expands

  blog.google· Posted Sep 30, 2026· Starts Jun 17, 2025 ✓· 50% of score

  Google's post "We're expanding our Gemini 2.5 family of models" is dated 17 June 2025 and opens a preview of 2.5 Flash-Lite in Google AI Studio and Vertex AI that day.

• [2]75%
  Gemini (language model) - Wikipedia

  en.wikipedia.org· Added Sep 30, 2026· 50% of score

  The Wikipedia article lists Gemini 2.5 Flash-Lite as released on 17 June 2025.

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