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. Sonnet AI: Bot-free AI meeting assistant that records device audio, transcribes, and generates structured notes and action items across major conferencing apps. We compare them on cost, capture approach, and day-to-day fit so you can choose faster.
How Hosiqo compares and tests toolsFinal recommendation
Shortlist Celeste AI when brazilian teams transcribing meetings and calls in portuguese matters most, and Sonnet AI when recruiters documenting candidate interviews with structured templates 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.
Bot-free AI meeting assistant that records device audio, transcribes, and generates structured notes and action items across major conferencing apps.
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
Sonnet AI is an end-to-end AI meeting assistant and notetaker that captures conversations without sending a separate bot into the call. Instead of joining as a visible participant, it records high-quality audio directly from the user's device, which lets it work across Zoom, Google Meet, Microsoft Teams, Slack and Discord without per-platform integrations or plug-ins. Once a meeting ends, Sonnet produces a transcript and a structured set of notes, pulls out action items with potential assignees and deadlines, and stores everything in a searchable conversation database so users can revisit past discussions. It offers a template gallery aimed at specific contexts such as sales, recruiting, legal and medical meetings, along with customizable note layouts that support elements like tables and concept maps. Additional features include meeting reminders and preparation tools, participant relationship tracking, and the ability to keep CRM records updated from meeting content. It is designed for professionals and teams who want hands-free note capture and reliable post-meeting follow-up without disrupting the flow of a live conversation. Pricing varies by plan. Check the official website for current pricing.
Best suited for
Celeste AI is a free tier with paid upgrades (freemium); Sonnet AI is a free tier with paid upgrades (freemium). Always confirm current pricing on each vendor's site before buying.
| Feature | Celeste AI | Sonnet AI |
|---|---|---|
| Core capability | AI transcription specialized for Brazilian Portuguese | Bot-free recording that captures device audio without joining the call as a participant |
| Standout feature | Meeting Assistant for capturing and documenting meetings | Automatic transcription with AI-generated structured notes |
| Team usage | AI Notes for organizing transcribed content | Action item extraction with assignees and deadlines |
| Integrations | Support for multiple languages including English, Spanish, German, Italian, and French | Template gallery for sales, recruiting, legal, medical and other meeting types |
| Languages & capture | On-demand credit-based usage plus flexible subscription plans | Searchable database of past conversations |
| Best-fit workflow | API access for integrating transcription into other workflows | Works across Zoom, Google Meet, Microsoft Teams, Slack and Discord |
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.
Sonnet AI
Choose Sonnet AI if you need sales reps capturing call notes and follow-ups without a bot in the room — strengths include no visible bot joins the meeting, which can feel less intrusive to participants.
Celeste AI
Sonnet AI
It depends on your workflow. Celeste AI is strong for brazilian teams transcribing meetings and calls in portuguese, while Sonnet AI is strong for sales reps capturing call notes and follow-ups without a bot in the room. Both transcribe and summarize meetings.
Celeste AI is a free tier with paid upgrades and Sonnet 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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