Gemini 3.1 Flash TTS Preview API Pricing

Google Gemini pricing verified

Gemini 3.1 Flash TTS Preview costs $1.00 per million input tokens and $20.00 per million output tokens on the Google Gemini API. Prices are tracked from the official Google Gemini pricing table and used by the ModelPricing.ai estimation API, so this page and the API always quote the same numbers. See all Google Gemini model pricing or the full LLM pricing comparison.

Gemini 3.1 Flash TTS Preview Pricing Per Million Tokens

TierInput / 1MOutput / 1MCache read / 1MCache write / 1M
Standard$1.00$20.00——

What Gemini 3.1 Flash TTS Preview Costs In Practice

Monthly cost at three representative workloads, using the standard text rate in effect today.

WorkloadMonthly cost
Light — 1M in / 200K out$5.00
Moderate — 10M in / 2M out$50.00
Heavy — 100M in / 20M out$500.00

Need your own numbers? Use the LLM cost calculator or call the estimation API directly.

Compare Gemini 3.1 Flash TTS Preview With Other Models

Looking for something cheaper from Google Gemini? Gemini 2.5 Flash Lite is the lowest-priced option on input tokens.

Gemini 3.1 Flash TTS Preview Pricing FAQ

How much does Gemini 3.1 Flash TTS Preview cost per token?

Gemini 3.1 Flash TTS Preview costs $1.00 per million input tokens and $20.00 per million output tokens on the Google Gemini API. That works out to $0.0010 per thousand input tokens.

How much does it cost to run Gemini 3.1 Flash TTS Preview per month?

At 1M in / 200K out per month, Gemini 3.1 Flash TTS Preview costs about $5.00. A heavier workload of 100M input and 20M output tokens costs about $500.00.

Estimate Gemini 3.1 Flash TTS Preview costs programmatically

POST a token count to /v1/estimate with model gemini-3.1-flash-tts-preview and get a priced breakdown back, promotions already applied.

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