# Gemini 3.5 Transcribe

Gemini 3.5 Transcribe is a Google voice model released Aug 26, 2026; Google's newest voice model in our dataset is Gemini 3.8 Flash TTS. Proprietary, API access only. Google's speech-to-text model with speaker diarization, word-level timestamps and custom vocabulary, generally available since Aug 26, 2026. Verified against vendor sources on Oct 26, 2026.

Last verified: 2026-10-26 · Evidence: Reported · Canonical: https://theagenticweekly.com/models/gemini-3-5-transcribe · JSON: https://theagenticweekly.com/api/models/gemini-3-5-transcribe

## Key facts

| Fact | Value | Source |
|---|---|---|
| Vendor | Google |  |
| Released | Aug 26, 2026 | https://ai.google.dev/gemini-api/docs/changelog |
| API id | `gemini-3.5-transcribe` | https://ai.google.dev/gemini-api/docs/models/gemini-3.5-transcribe |
| Input | audio | https://ai.google.dev/gemini-api/docs/models/gemini-3.5-transcribe |
| Output | text | https://ai.google.dev/gemini-api/docs/models/gemini-3.5-transcribe |
| Licence | Proprietary (API) | https://ai.google.dev/gemini-api/docs/models |

## What we tested

Nothing yet. We have not run Gemini 3.5 Transcribe ourselves, so every fact here is Reported from the sources below.

## Not verified, left out

- Token limits do not apply; the page lists audio limits instead (up to 1 hour per request, 30 minutes with diarization or word timestamps).

## Sources

- [Gemini API changelog](https://ai.google.dev/gemini-api/docs/changelog)
- [Gemini API models list](https://ai.google.dev/gemini-api/docs/models)
- [Gemini API model page: Gemini 3.5 Transcribe](https://ai.google.dev/gemini-api/docs/models/gemini-3.5-transcribe)

Data licence: CC BY 4.0. Data: Agentic Weekly (https://theagenticweekly.com), CC BY 4.0.