Celeste AI: Brazilian Portuguese-focused AI voice and transcription platform offering on-demand transcription plus a meeting assistant and AI notes, with credit-based and subscription plans. Mumble AI: A voice-first AI workspace for Mac that records meetings without a bot, transcribes audio, and turns conversations and dictation into structured notes. Which one wins depends on your platform mix, budget, and how hands-off you want notes to be.
How Hosiqo compares and tests toolsFinal recommendation
Shortlist Celeste AI when brazilian teams transcribing meetings and calls in portuguese matters most, and Mumble AI when recording and transcribing meetings offline on a mac for privacy matters most. Test each on your own meetings; the right choice tends to become obvious quickly.
Brazilian Portuguese-focused AI voice and transcription platform offering on-demand transcription plus a meeting assistant and AI notes, with credit-based and subscription plans.
A voice-first AI workspace for Mac that records meetings without a bot, transcribes audio, and turns conversations and dictation into structured notes.
Celeste AI is a Brazilian voice AI and transcription platform that specializes in Portuguese, particularly Brazilian Portuguese, while also processing audio in additional languages such as English, Spanish, German, Italian, and French. Originally known for automated audio-to-text transcription that the company positions as far more efficient than manual transcription, Celeste AI has expanded into a broader suite that includes a Meeting Assistant (Assistente de Reunião) and AI Notes (Notas de IA), alongside transcription and quality-monitoring offerings. The platform uses machine learning speech models tuned for Portuguese and is offered both as an on-demand service and via an API, so users and businesses can transcribe content as needed. Its on-demand model lets customers pay only for the hours they actually use by purchasing credits, with flexible subscription plans available for those who have recurring transcription needs. As a Brazilian company connected to local institutions such as FGV Ventures and the São José dos Campos technology park, Celeste AI is oriented toward the Brazilian market and Portuguese-language workflows, and it reports a growing user base. The service is currently operating, with a functioning login, demo requests, and support, and is suited to professionals and companies that need accurate Portuguese transcription and meeting documentation. Pricing varies by plan. Check the official website for current pricing.
Best suited for
Mumble AI is a voice-first workspace built for macOS that captures meetings, voice memos, and system-wide dictation, then turns spoken audio into structured, organized notes. Rather than sending a bot into a call, Mumble records directly from the Mac's system audio, so no extra participant appears in Zoom, Google Meet, Microsoft Teams, or Slack calls. It can auto-detect when a meeting starts via Google Calendar integration, display a live transcript with speaker labels during the conversation, and produce a summary with decisions and action items once the meeting ends. Beyond meetings, Mumble offers system-wide dictation that works in any text field, auto-organizing voice notes, and customizable templates for consistent note formatting. A notable feature is its dual processing approach: a cloud mode aimed at higher accuracy across many languages, and a fully local on-device mode where recording, transcription, speaker identification, and summarization run entirely on the Mac and work offline so audio never leaves the device. It is aimed at Mac users, including privacy-conscious professionals, who want hands-free capture and quick note generation. A companion iOS app, Mumble Note, syncs voice captures to the Mac. Pricing varies by plan. Check the official website for current pricing.
Best suited for
Celeste AI is a free tier with paid upgrades (freemium); Mumble AI is a free tier with paid upgrades (freemium). Always confirm current pricing on each vendor's site before buying.
| Feature | Celeste AI | Mumble AI |
|---|---|---|
| Core capability | AI transcription specialized for Brazilian Portuguese | Bot-free meeting capture recorded directly from Mac system audio |
| Standout feature | Meeting Assistant for capturing and documenting meetings | Live transcript with speaker labels during the call |
| Team usage | AI Notes for organizing transcribed content | Automatic summaries with decisions and action items |
| Integrations | Support for multiple languages including English, Spanish, German, Italian, and French | 100% local on-device mode that works offline |
| Languages & capture | On-demand credit-based usage plus flexible subscription plans | System-wide dictation that works in any text field |
| Best-fit workflow | API access for integrating transcription into other workflows | Customizable note templates and Google Calendar auto-detection |
Celeste AI
Choose Celeste AI if you need brazilian teams transcribing meetings and calls in portuguese — strengths include strong focus on brazilian portuguese transcription accuracy.
Mumble AI
Choose Mumble AI if you need capturing structured notes from zoom, meet, teams, or slack calls without adding a bot — strengths include no bot joins the call, so meetings stay private and uninterrupted.
Celeste AI
Mumble AI
It depends on your workflow. Celeste AI is strong for brazilian teams transcribing meetings and calls in portuguese, while Mumble AI is strong for capturing structured notes from zoom, meet, teams, or slack calls without adding a bot. Both transcribe and summarize meetings.
Celeste AI is a free tier with paid upgrades and Mumble AI is a free tier with paid upgrades. Check each vendor's pricing page for the latest plans and free-tier limits.
You can — some teams pair them when each covers a different part of the meeting workflow.
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