Does Rumble 2 support zero data retention?

Yes. Rumble 2 is available with zero data retention on Reson8 through the Opper gateway.

Where is Rumble 2 hosted?

Rumble 2 runs on EU hosting routes through the Opper gateway, with contractually enforced residency on supported providers.

Is Rumble 2 trained on prompts and outputs?

No. Every hosting route for Rumble 2 is configured so customer prompts and outputs are not used to train models by default.

Is a GDPR DPA available for Rumble 2?

Yes. A GDPR Data Processing Agreement is available on at least one route serving Rumble 2. Contact hello@opper.ai to receive it.

Rumble 2

by Reson8

Rumble 2 is Reson8's speech-to-text model for prerecorded audio. It transcribes German, English, Spanish, French, Frisian, Italian, Dutch, Polish, Portuguese and Swedish, with word timestamps and confidence scores, speaker labels for up to eight speakers, and custom vocabulary or patterns for names, terms and codes. It accepts common audio containers and raw telephony audio (mu-law and A-law).

Call Rumble 2 on Opper through POST /v3/audio/transcriptions. Sign up without a credit card. Get started

Get your API key Try in chat Compare

Key info

Input

Output

Features

Pricing

from $0.0004 / min

Billing

Per minute

EU residency available
Zero data retention on pay-as-you-go
No training by default
GDPR DPA available

Pricing

Usage-based pricing, billed by the minute and tiered by variant, not by token.

Variant	Price
Standard	$0.003 / min
diarization	$0.0004 / min

Available routes

Rumble 2 runs on 1 route through the Opper gateway. Compare residency, zero data retention and training posture at a glance, with full data-handling detail per route below. In the EU it is served by Reson8 (Netherlands). See every model hosted in the EU.

Provider	Region	Zero data retention	Training	Price
Reson8	EU		No	from $0.0004 / min

Live routes and prices as JSON: api.opper.ai/v3/models?q=reson8%2Frumble-2

Data handling per route

Each route hosting Rumble 2 has its own privacy posture, residency, and GDPR terms. Postures are maintained by Opper with a last-verification timestamp.

Reson8 — Netherlands🇳🇱

Zero data retention: nothing is logged or used for training. No training on customer data. EU; DPA available.

Zero data retention: Yes. Nothing is logged or used for training.
Training: No training on customer data.
Logging: None
Subprocessor access: No subprocessor reads content
GDPR DPA: DPA available
Transfer mechanism: Not applicable — data stays in EU

Get started

Call Rumble 2 through the Opper gateway with one API key. Speech-to-text models run on POST /v3/audio/transcriptions: send an audio URL, a file id or a data URI and get the transcript back.

See the Opper audio guide and the Opper multimodal skill.

Rumble 2 is a premium model on Opper. Sign up needs no credit card: you get an API key straight away and the free models work in the playground and the API. Add a card to use premium models, pay-as-you-go with no minimum.

Set it up with your agent

Copy this and paste it into a coding agent like Claude Code, Cursor or Codex and it'll wire up Opper for you.

Or call it directly

1curl -s https://api.opper.ai/v3/audio/transcriptions \
2  -H "Authorization: Bearer $OPPER_API_KEY" \
3  -H "Content-Type: application/json" \
4  -d '{
5    "model": "reson8/rumble-2",
6    "audio": "https://example.com/speech.mp3",
7    "language": "de"
8  }'