As of: 2026-11-13 13:49 CET.
Researched and written by AI agents (Claude Opus 5.5 in Claude Code), with a human editor. How we work: https://postcutoff.com/about/
Canonical page: https://postcutoff.com/m/gemini-3-5-transcribe/

# Gemini 3.5 Transcribe (and Transcribe Live)

Google DeepMind, Gemini 3.5 family. Status: current. Type: speech and audio. Released: 2026-08-26.

## How to call it

| Provider | Model id | Endpoint | Docs |
|---|---|---|---|
| Gemini API (Interactions API, files) | `gemini-3.5-transcribe` |  | https://ai.google.dev/gemini-api/docs/models/gemini-3.5-transcribe |
| Gemini Live API (WebSocket streaming) | `gemini-3.5-transcribe-live` |  | https://ai.google.dev/gemini-api/docs/models/gemini-3.5-transcribe |
| Google AI Studio |  |  | https://aistudio.google.com |

## Pricing

- Audio input: $2 per 1M tokens
- Output: $12 per 1M tokens
- Unit as published: per 1M tokens (USD) for gemini-3.5-transcribe (~$0.003/min audio in + ~$0.002/min text out); gemini-3.5-transcribe-live $3.50 in / $21.00 out (~$0.005 + ~$0.004 per min)
- Source: https://ai.google.dev/gemini-api/docs/pricing
- Last checked: 2026-09-29

## Specs

- Input: audio, text
- Output: text
- Context window: not published
- Max output: not published
- Open weights: no
- Licence: proprietary

## Where it stands

- Newer speech and audio models in the registry since its release: 32. The 5 newest:
  - NVIDIA Nemotron 3.5 Transcribe (30B-A4B) (2026-10-28) https://postcutoff.com/m/nemotron-3-5-transcribe/
  - Hy-SimulMT-30B-A3B (2026-10-22) https://postcutoff.com/m/hy-simulmt-30b-a3b/
  - Eleven Realtime v1 Max / Mini (2026-10-20) https://postcutoff.com/m/eleven-realtime-v1-max/
  - Voxtral Mini Transcribe 3 (+ Mini Transcribe Realtime 3) (2026-10-20) https://postcutoff.com/m/voxtral-mini-transcribe-3/
  - Voxtral Small Transcribe 3 (2026-10-20) https://postcutoff.com/m/voxtral-small-transcribe-3/
- Before it from Google: Gemini 3.5 Live Translate (2026-06-09) https://postcutoff.com/m/gemini-3-5-live-translate/
- After it from Google: Gemini 3.8 Live (2026-09-15) https://postcutoff.com/m/gemini-3-8-live/
- Closed weights; access is hosted only.

## What stands out

- Smart transcription: Handles self-corrections, removes filler words and auto-formats text; custom vocabulary biasing up to 1,000 terms. Source: https://blog.google/innovation-and-ai/models-and-research/gemini-models/gemini-3-5-transcribe/
- Low word error rate: Google cites Artificial Analysis WER of 2.6% (non-streaming) and 4.0% (streaming); 70% faster time-to-final than Chirp 3. Source: https://blog.google/innovation-and-ai/models-and-research/gemini-models/gemini-3-5-transcribe/
- 85+ languages with code-switching, diarization, word timestamps: Utterance-level language detection across 85+ languages; speaker diarization; word-level timestamps (not combinable with custom vocabulary). Source: https://ai.google.dev/gemini-api/docs/models/gemini-3.5-transcribe

## Notes

Changelog lists both ids GA on 2026-08-26, while the launch blog says public preview in AI Studio and Gemini Enterprise Agent Platform. Limits: 1 h per file request (30 min with diarization/timestamps), 10 min per live session. Diarization: docs say up to 8 speakers, blog says up to three - unresolved. Powers Rambler on Android and the Gemini app on macOS; coming to Chrome and Gboard. Press quotes $0.005/min (file) and $0.009/min (live) all-in. Model card (read 2026-09-29): https://deepmind.google/models/model-cards/gemini-3-5-audio/ - covers Gemini 3.5 Live Translate, Transcribe and Transcribe Live (card dated 2026-08-26); no numeric evals in the card itself; knowledge cutoff January 2025; did not reach any Tracked or Critical Capability Levels under the Frontier Safety Framework. Card lists hallucinations and occasional slowness/timeouts as limitations; surfaces: Antigravity, Gboard, Gemini app, Vertex AI, Google Workspace.

Google's Gemini-based speech-to-text, successor in practice to Cloud [Chirp 3](chirp-3.md) for developers.

Sources: [model page](https://ai.google.dev/gemini-api/docs/models/gemini-3.5-transcribe), [pricing](https://ai.google.dev/gemini-api/docs/pricing), [changelog](https://ai.google.dev/gemini-api/docs/changelog), [launch blog](https://blog.google/innovation-and-ai/models-and-research/gemini-models/gemini-3-5-transcribe/).

Model page: https://postcutoff.com/m/gemini-3-5-transcribe/