# Gemini 2.5 Flash TTS Usage, Cost & Rank | OpenCode Data

> Gemini 2.5 Flash TTS costs $0.50 per 1M input tokens and $10.00 per 1M output tokens.

Speech generation model for controllable voice, narration, and audio delivery

- Page: https://opencode.ai/data/google/gemini-2-5-flash-tts
- JSON: https://opencode.ai/data/google/gemini-2-5-flash-tts.json
- Model ID: google/gemini-2.5-flash-tts
- Lab: Google

## Model facts

| Fact | Value |
| --- | --- |
| Context window | 33K |
| Max output | 16K |
| Knowledge cutoff | 2025-01 |
| Release date | 2025-09-30 |
| Input modalities | text |
| Output modalities | audio |
| Reasoning | No |
| Tool calling | No |
| Open weights | No |

## Pricing: USD per 1M tokens

| Input | Output | Cached input | Cache write |
| --- | --- | --- | --- |
| $0.50 | $10.00 | - | - |

## Methodology

- Updates: Aggregated every hour. Days and weeks use UTC.
- Tokens: Input, output, reasoning, and cached tokens for each request.
- Users and sessions: Approximate counts of distinct users and OpenCode sessions.
- Cost: Session cost is the average cost per OpenCode session. Token prices are list prices from the OpenCode model catalog.
- Retention: The share of a model's users in one week who use it again the next week.
- Citation: Cite OpenCode Data (opencode.ai/data) with the update time shown at the top of the page.