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. Sembly AI: Team-focused notetaker with action items across 48 languages 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 Sembly AI when multilingual meeting transcription 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.
Team-focused notetaker with action items across 48 languages
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
Sembly AI records and transcribes meetings in 40+ languages, then produces AI notes, summaries, and automatically detected tasks, with an AI chat assistant (Semblian) over single or multiple meetings. It connects to Zoom, Google Meet, Microsoft Teams, and Webex, and automates via Zapier, webhooks, MCP, and CRM tools. As of March 2026, Sembly no longer offers a permanent free plan — the only no-cost option is a time-limited Basic free trial; paid plans start at $10/user/mo (annual).
Best suited for
Celeste AI is a free tier with paid upgrades (freemium); Sembly AI is from $10/mo (freemium). Always confirm current pricing on each vendor's site before buying.
| Feature | Celeste AI | Sembly AI |
|---|---|---|
| Core capability | AI transcription specialized for Brazilian Portuguese | 40+ language transcription |
| Standout feature | Meeting Assistant for capturing and documenting meetings | Automated action items |
| Team usage | AI Notes for organizing transcribed content | Semblian AI chat |
| Integrations | Support for multiple languages including English, Spanish, German, Italian, and French | Workflow automations |
| Languages & capture | On-demand credit-based usage plus flexible subscription plans | 40+ language transcription |
| Best-fit workflow | API access for integrating transcription into other workflows | Automated action items |
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.
Sembly AI
Choose Sembly AI if you need team ai notes with task automation — strengths include transcription and ai notes in 40+ languages.
Celeste AI
Sembly AI
It depends on your workflow. Celeste AI is strong for brazilian teams transcribing meetings and calls in portuguese, while Sembly AI is strong for team ai notes with task automation. Both transcribe and summarize meetings.
Celeste AI is a free tier with paid upgrades and Sembly AI is from $10/mo. 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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