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[ARTICLE · art-169351] src=llmstatus.ai ↗ pub= topic=large-language-models verified=true sentiment=· neutral

Gemini 3.1 Flash TTS Preview deprecated, retires 2026-12-18

Google has marked Gemini 3.1 Flash TTS Preview, released 2026-04-15, for retirement with an earliest possible shutdown date of 2026-12-18, roughly 34 days out and subject to change. The model carries an 8k-token text context, 16k maximum output, and pricing of $1 per 1M input tokens and $20 per 1M output tokens. The deprecation notice points developers to a provider announcement and to a tool that scans repositories for models facing shutdown dates.

read1 min views3 publishedNov 14, 2026
Gemini 3.1 Flash TTS Preview deprecated, retires 2026-12-18
Image: Llmstatus (auto-discovered)

GG▲ Retiring soon

Google · gemini-3.1-flash-tts-preview

Google: earliest possible shutdown 2026-12-18 (estimated, may move). 

[Provider statement →](https://models.dev/google/gemini-3.1-flash-tts-preview)
Released2026-04-15

Retires2026-12-18in 34d

gemini-flashtext8k context16k max out$1 / $20 per 1M

also matches:

`gemini-3.1-flash-tts-preview`` google/gemini-3.1-flash-tts-preview`
[provider announcement →](https://models.dev/google/gemini-3.1-flash-tts-preview)

Does your code call Gemini 3.1 Flash TTS Preview?

$ curl -fsSL https://llmstatus.ai/install.sh | bash

Then mm status in any repo — it finds every model you use and flags the ones on a clock. No account, nothing uploaded.

Get alerted before it retires →

source & further reading
llmstatus.ai — original article GPT-3.5 Turbo retired 2026-10-23 → GPT-5.6 Terra gpt-image-2 deprecated, retires 2027-02-10 Gemini 2.5 Pro deprecated, retires 2026-12-01 → Gemini 3.8 Flash
── more in #large-language-models 4 stories · sorted by recency
── more on @google 3 stories trending now
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