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Gemini 3.8 Flash TTS pricing

Gemini 3.8 Flash TTS from Google costs $0.500 per 1M input tokens and $9.00 per 1M output tokens. Cached input is $0.125 per 1M.

API id gemini-3.8-flash-tts · Google · source · updated 2026-09-25

We have not confirmed what kind of model this is. Its name suggests one thing and its pricing another, and we would rather say so than guess.

$0.500
Input / 1M tokens
$9.00
Output / 1M tokens
$0.125
Cached input / 1M
—
Context window

Gemini 3.8 Flash TTS specifications

Provider
Google
API id
gemini-3.8-flash-tts
Model type
unknown
Context window
— tokens
Max output
not published
Currency
USD
Price source
First-party
Last checked
2026-09-25

Tags

  • audio
  • fast

What Gemini 3.8 Flash TTS costs in practice

Estimated cost at common usage volumes
WorkloadInput tokensOutput tokensEstimated cost
Short chat turn1,000500$0.0050
Document summary50,0002,000$0.04
1M tokens in, 200K out1,000,000200,000$2.30

Estimates use the standard tier and ignore caching discounts, so real bills with repeated prompt prefixes are typically lower.

Common questions

How much does Gemini 3.8 Flash TTS cost per 1M tokens?
Gemini 3.8 Flash TTS costs $0.500 per 1M input tokens and $9.00 per 1M output tokens on the standard tier. Cached input is $0.125 per 1M.
What is Gemini 3.8 Flash TTS's context window?
Google does not publish a context window for Gemini 3.8 Flash TTS on its pricing page.
Is there a cheaper Gemini model than Gemini 3.8 Flash TTS?
Yes. Gemini Embedding 2 is $0.200 per 1M input tokens versus $0.500 for Gemini 3.8 Flash TTS.
Where does this Gemini 3.8 Flash TTS price come from?
Directly from Google's published pricing page, re-read every day and normalized to USD per 1,000,000 tokens.

Head-to-head comparisons

Other Gemini models

See all Gemini pricing →