Gemini 2.5 Flash TTS API
About
Gemini 2.5 Flash TTS is a high-performance LLM available via the Vertex API, ideal for scalable text generation and natural language processing. This model delivers cost-effective pricing at $0.50/1M input and $10.00/1M output tokens. Access Gemini 2.5 Flash TTS via the Vertex API with up to 16K output tokens.
Capabilities
Input Modalities
text
Output Modalities
audio
Reasoning
No
Structured Output
No
Tool Use
No
WeightsClosed
Temperature
Fixed
Attachment
Not Supported
Limits
Context Window
33K
Tokens
Input Limit
8K
Tokens
Max Output
16K
Tokens
Pricing
Standard (per 1M tokens)
Input
$0.50
Output
$10.00
Frequently Asked Questions
Gemini 2.5 Flash TTS by Vertex costs $0.50 per 1M input tokens and $10.00 per 1M output tokens.
Model Details
ID
gemini-2.5-flash-tts
Provider
VertexFamily
gemini-flash
Release Date
Sep 30, 2025
Knowledge Cutoff
Jan 1, 2025
API Integration
NPM Package
@ai-sdk/google-vertex
Environment Variables
GOOGLE_VERTEX_PROJECT
GOOGLE_VERTEX_LOCATION
GOOGLE_APPLICATION_CREDENTIALS