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. Sotto: Sotto is a native macOS voice-to-text dictation app that turns speech into text system-wide using local AI transcription models. 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 Sotto when privacy-first transcription of imported audio recordings on-device matters most. Run both through a week of actual calls to see which suits your workflow.
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.
Sotto is a native macOS voice-to-text dictation app that turns speech into text system-wide using local AI transcription models.
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
Sotto is a native Swift dictation app for macOS 13 and later that converts speech to text in real time. It works as a system-wide push-to-talk layer: the user holds a hotkey, speaks, and Sotto inserts clean text into whatever app is in focus, from Slack and Notion to Xcode and email fields. Audio is transcribed by local engines, including OpenAI Whisper models (Tiny through Large V3 Turbo and Distil Large V3) and NVIDIA Parakeet v2/v3, so by default recordings never leave the Mac; users can optionally connect cloud providers such as OpenAI or Groq with their own API keys for added accuracy. Beyond live dictation, it can import and re-transcribe audio files, supports 90+ languages, keeps a searchable history of recordings with timestamps, and offers a custom vocabulary dictionary. One-click AI processing can rewrite, summarize, translate, or reformat dictated text. It is aimed at developers, writers, and privacy-conscious professionals who want fast, local voice input rather than a cloud meeting-bot service.
Best suited for
Celeste AI is a free tier with paid upgrades (freemium); Sotto is a free tier with paid upgrades (paid). Always confirm current pricing on each vendor's site before buying.
| Feature | Celeste AI | Sotto |
|---|---|---|
| Core capability | AI transcription specialized for Brazilian Portuguese | System-wide push-to-talk dictation that inserts text into any app |
| Standout feature | Meeting Assistant for capturing and documenting meetings | Local on-device transcription via Whisper and NVIDIA Parakeet models |
| Team usage | AI Notes for organizing transcribed content | Audio file import and re-transcription with searchable, timestamped history |
| Integrations | Support for multiple languages including English, Spanish, German, Italian, and French | Support for 90+ languages with per-language hotkeys |
| Languages & capture | On-demand credit-based usage plus flexible subscription plans | One-click AI processing to summarize, translate, or rewrite dictated text |
| Best-fit workflow | API access for integrating transcription into other workflows | Optional cloud transcription via user-supplied OpenAI or Groq API keys |
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.
Sotto
Choose Sotto if you need hands-free dictation of emails, messages, and documents across mac apps — strengths include local processing keeps audio on-device for strong privacy.
Celeste AI
Sotto
It depends on your workflow. Celeste AI is strong for brazilian teams transcribing meetings and calls in portuguese, while Sotto is strong for hands-free dictation of emails, messages, and documents across mac apps. Both transcribe and summarize meetings.
Celeste AI is a free tier with paid upgrades and Sotto is a free tier with paid upgrades. Check each vendor's pricing page for the latest plans and free-tier limits.
Often yes: teams combine tools when one handles capture and another handles analysis.
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