Otter.ai vs Vosk

Fit:

Migration notes

For developers rebuilding only the transcription layer: supply recordings or audio streams and integrate the API/server. Speaker identification primitives exist; evaluate/build meeting diarization, capture, UI, summaries, storage, sharing and integrations. No native incumbent workspace import verified.

Sources: otter.ai, alphacephei.com · checked 2026-10-21

Otter.aiPaid incumbent

Entry priceUSD 8.33 / seat / month

Pricing modelper-seat, billed annual

OwnerOtter.ai, Inc.

Pro standard USD price per user/month billed annually; monthly standard $16.99. Conditional regional promotions excluded. Source

Otter.ai plans reviewed
Pro	entry	USD 16.99 / user / mo
Business	business	USD 30 / user / mo
Enterprise	enterprise	Not established

VoskOpen-source alternative

Fit for Otter.ai

License

Apache License 2.0 A permissive license whose main conditions require preservation of copyright and license notices. Contributors provide an express grant of patent rights. Licensed works, modifications, and larger works may be distributed under different terms and without source code. May Commercial useModificationDistributionPatent usePrivate use Must License and copyright noticeState changes No Trademark useLiabilityWarranty Summary from GitHub's choosealicense.com

Paid-feature tier A

Self-host

Paid-feature limitsNone established

Vosk plans reviewed
Vosk API plus separately licensed model	self-hosted core	Free
Vosk Enterprise	commercial Vosk Enterprise	Not established
Vosk Enterprise	commercial Vosk models/services	Quote only

What you may give up

No paid-feature limits established for this edition.

User supplies runtime hardware and integration.
No first-party managed hosting offer verified in reviewed official documentation.
Select models individually: some French/Dutch catalog entries use noncommercial licenses and are outside this scoped OSS recommendation.

Tier A: Tier A for Vosk API plus an Apache-2.0 model such as vosk-model-small-en-us-0.15. Offline library with streaming and speaker-identification primitives; not a meeting-notes application. Model catalog licenses vary, including noncommercial choices; API license does not cover every model. License source

What running it takes

Vosk native library and a licensed language model

or
Java 8+ / JNA
or
.NET runtime / Vosk NuGet
or

Hover or focus an icon for its name. Dashed means not established; struck through means no; grouped icons are alternatives.

Documented default deployment path; optional services are separate from core runtime. No unverified backend alternatives asserted. Infrastructure and staff time are not priced here; this page does not compare total cost.