Google: Gemini 2.5 Flash TTS
Gemini 2.5 Flash TTS is a text to speech model from Google released on Sep 30, 2025. It reads text and writes audio, with a 33K token context window.
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It costs $0.50 per million input tokens and $10 per million output tokens.
- Modalities
- In / out price
- $0.50 / $10 per 1M
- Context
- 33K
- Max output
- 16K
- Released
- Sep 30, 2025
- Knowledge cutoff
- Jan 2025
- Tool calling
- Structured output
- Reasoning
- Prompt caching
- Open weights
- Free to use
Gemini 2.5 Flash TTS pricing
USD, as listed on Oct 15, 2026. Most bills are input heavy, so the cached input rate matters as much as the headline price.
| Input | $0.50 / 1M tokens | |
|---|---|---|
| Output | $10 / 1M tokens |
What Gemini 2.5 Flash TTS costs per month
Pick a workload close to yours or type your own volumes.
Alternatives to Gemini 2.5 Flash TTS
Models that take the same inputs, closest in price, cheaper ones first.
- 8K context
Turns text into spoken audio.
by googleMay 1, 2025$0.50/M input tokens$10/M output tokens
Turns text into spoken audio.
by googleSep 23, 2026$0.50/M input tokens$9/M output tokens
Turns text into spoken audio.
by googleSep 23, 2026$0.50/M input tokens$6/M output tokens
- 8K context
Turns text into spoken audio. Served by 2 providers.
by googleApr 15, 2026$1/M input tokens$20/M output tokens2 providers
- 33K context
Turns text into spoken audio.
by googleSep 30, 2025$1/M input tokens$20/M output tokens
- 8K context
Turns text into spoken audio.
by googleMay 1, 2025$1/M input tokens$20/M output tokens
More from Google
Nano Banana 2.1
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Reads text, images, files, audio and video. Tool calling, structured output, reasoning. Served by 13 providers.
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Gemini 3.8 Flash TTS
SpeechTurns text into spoken audio.
by googleSep 23, 2026$0.50/M input tokens$9/M output tokens
- 262K context
Reads text. Reasoning.
by googleSep 19, 2026$0.05/M input tokens$0.15/M output tokens
- 262K context
Reads text and images. Tool calling, reasoning.
by googleSep 19, 2026$0.1056/M input tokens$0.3344/M output tokens
Gemini 2.5 Flash TTS questions
How much does the Gemini 2.5 Flash TTS API cost?
$0.50 per million input tokens and $10 per million output tokens. The estimator on this page turns that into a monthly bill for your own workload.
What is the context window of Gemini 2.5 Flash TTS?
32,768 tokens of input, and it can write up to 16,384 tokens in one reply. As a rough guide, a million tokens is around 750,000 English words.
Is Gemini 2.5 Flash TTS open source?
No. Google serves it through an API only, so you cannot download the weights or host it yourself.
When was Gemini 2.5 Flash TTS released?
Sep 30, 2025, with training data up to Jan 2025.
Catalog data from models.dev (MIT licensed), refreshed daily, last on Oct 15, 2026. The summary is written from these facts.
Building on Gemini 2.5 Flash TTS?
I test your real tasks on it and the two closest alternatives, then ship the agent on whichever wins on cost and accuracy.
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