Gemini 2.5 Flash TTS Preview
Model overview
gemini-2.5-flash-preview-tts
Google's current Gemini 2.5 Flash TTS preview model.
audiospeechtext to speechvoice assistantenterprise access
Representative version
gemini-2.5-flash-preview-tts
| Company | |
|---|---|
| Release | Not disclosed |
| Release type | Preview release |
| Parameters | Not disclosed |
| Architecture | Not disclosed |
| Context | Not disclosed |
| Input modalities | text |
| Output modalities | audio |
| Tool use / function calling | Not disclosed |
| Structured output / reasoning | Not disclosed |
| Vision / audio / video | Confirmed: Audio; Not shown: Vision, Video |
| Open weights / License | No open weights / license not applicable google-gemini-2-5-flash-tts-preview-current · License not applicable |
| Vendor API | Available Gemini 2.5 Flash TTS Preview | Gemini API | Google AI for Developersgoogle-gemini-2-5-flash-tts-preview-current · 2026-05-08 |
| OpenRouter | Not separately listed on OpenRouter |
| Pricing | Official pricing page |
| Benchmark | No reliable public source |
| Public signals | No reliable public source |
| Use cases | voice assistant / enterprise API / audio and speech / speech |
| Claim evidence | Release / model specs / weightsGemini 2.5 Flash TTS Preview | Gemini API | Google AI for Developersgemini-2.5-flash-preview-tts |
OpenRouter
Pricing / context / availability
| OpenRouter | Not separately listed on OpenRouter |
|---|---|
| OpenRouter listing | Not separately listed in the current OpenRouter public list |
| Mapped version | gemini-2.5-flash-preview-tts google-gemini-2-5-flash-tts-preview-current |
| Pricing | Official pricing page |
| Context | Not disclosed |
| Speed/Latency | No reliable public source |
| Snapshot time | 2026-07-15T20:11:41.551Z |
| Source | View source |
Evidence gaps
Public display boundary
Parameter scale not disclosedRelease date not disclosedOpenRouter not separately verifiedNo reliable benchmark sourceNo public model-card activity countersNo linkable real reviewSpeed/latency not disclosed