Binder / Google / Gemini 2.5 Flash Preview TTS Google
Gemini 2.5 Flash Preview TTS CTX 8K
Text to speech
Text Input $0.50/M
Audio Output $10/M
Speech generation model for controllable voice, narration, and audio delivery
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Google · Audio · Preview
Gemini 2.5 Flash Preview TTS Speech generation model for controllable voice, narration, and audio delivery
gemini-2.5-flash-preview-ttsCopy ID
Type Audio
Quality Not rated yet
Context window 8,192 tokens
Max output 16,384 tokens
Input price $0.50 / 1M tokens
Output price $10.00 / 1M tokens
Cache read —
Cache write —
Released May 1, 2025
Knowledge cutoff Jan 2025
Takes in Text
Puts out Audio
Reasoning No
Tool calling No
Structured output No
File attachments No
Access Paid
License Proprietary
Rarity Rare
Set number 563/1044 Weights aren’t public. Use is governed by Google’s terms. Specs from models.dev, last changed Oct 19, 2026. Official source: ai.google.dev.
How good is it? Public leaderboard scores for Gemini 2.5 Flash Preview TTS, refreshed daily from Epoch AI and LMArena.
No public leaderboard lists Gemini 2.5 Flash Preview TTS yet. Epoch AI and LMArena cover most chat, image, and video models from the big labs; embeddings, speech, and small open models mostly go unrated.
Where to run it 1 provider sells Gemini 2.5 Flash Preview TTS through an API. Prices are per million tokens, cheapest first.
Cheapest Google $0.50 in · $10.00 out From the lab Google $0.50 in · $10.00 out API providers From models.dev and Hugging Face, checked daily. Resellers’ listings can lag behind their price pages, so confirm with the provider before you commit.
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