Unreleased Gemini 3.5 and 3.8 models spotted in user's dropdown, possibly A/B test
Willing-Sympathy2840 · reddit · 2026-10-08
- A Reddit user reports their Gemini app dropdown showing Gemini 3.5 Flash-Lite, Gemini 3.8 Flash, and Gemini 3.1 Pro with an "Extended Thinking" toggle — models Google hasn't officially announced in the app.
- The poster speculates this could be an early A/B/staging rollout leaking to some accounts, and asks others to run logic prompts on 3.1 Pro Extended Thinking to verify it actually works versus a UI bug.
- Unverified: the screenshot could also be DevTools tampering. Treat as a credible-but-unconfirmed leak.
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