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Gemini 2.5 Flash TTS

Gemini 2.5 Flash TTS is an AI model made by Google. Google released it on 20 May 2025. It takes text and returns audio. Its context window is 8,192 tokens.

Google

Gemini 2.5 Flash TTS is an AI model made by Google. Google released it on 20 May 2025. It takes text and returns audio. Its context window is 8,192 tokens. Its longest answer is 16,384 tokens. Through the API it costs $0.50 per 1M tokens for input and $10.00 per 1M tokens for output.

Released
20 May 2025 — ai.google.dev, read 16 October 2026
Status
Not confirmed: two readings disagree: preview and ga
Takes
Text — ai.google.dev, read 16 October 2026
Returns
Audio — ai.google.dev, read 16 October 2026
Open weights
Not confirmed: The maker's model page and linked official documentation do not state whether this model's weights are open.
Licence
Not confirmed: The maker's model page and linked official documentation do not state a model licence.
Context window
8,192 tokens — ai.google.dev, read 16 October 2026
Longest answer
16,384 tokens — ai.google.dev, read 16 October 2026
Knowledge cutoff
Not confirmed: The maker's model page and linked official documentation do not state a knowledge cutoff.
API price, input
$0.50 per 1M tokens — ai.google.dev, read 16 October 2026
API price, output
$10.00 per 1M tokens — ai.google.dev, read 16 October 2026
Where
Not confirmed: two readings disagree: api, app and api, cloud
Parameters
Not confirmed: The maker's model page and linked official documentation do not publish a parameter count.
Model card
https://ai.google.dev/gemini-api/docs/models/gemini-2.5-flash-preview-tts — ai.google.dev, read 16 October 2026

Questions

When was Gemini 2.5 Flash TTS released?

Google released Gemini 2.5 Flash TTS on 20 May 2025.

What is the context window of Gemini 2.5 Flash TTS?

The context window of Gemini 2.5 Flash TTS is 8,192 tokens, as Google prints it.

How much does the Gemini 2.5 Flash TTS API cost?

On the standard tier, Gemini 2.5 Flash TTS costs $0.50 per 1M tokens for input and $10.00 per 1M tokens for output, as Google lists it.

What does Gemini 2.5 Flash TTS take and return?

Gemini 2.5 Flash TTS takes text and returns audio.

More from Google

Sources

  1. Models | Gemini API | Google AI for Developers (read 16 October 2026)
  2. Gemini 2.5 Flash text-to-speech | Gemini API | Google AI for Developers (read 16 October 2026)
  3. Release notes | Gemini API | Google AI for Developers (read 16 October 2026)
  4. Gemini Developer API pricing | Gemini API | Google AI for Developers (read 16 October 2026)

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