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. Sonix: High-accuracy automated transcription in 50+ 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 Sonix when interview and podcast transcription 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.
High-accuracy automated transcription in 50+ 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
Sonix is an automated transcription service that converts audio and video into accurate, searchable text across a wide range of languages. While not a meeting bot in the traditional sense, it is widely used to transcribe recorded meetings, interviews, podcasts, and videos, making it a core AI-transcription tool for teams that work with recorded conversations. Sonix provides an in-browser editor where users can review and correct transcripts, add timestamps and speaker labels, and search across content quickly. It also offers translation and subtitle features, which helps multilingual teams and content creators repurpose recordings. Because it focuses on high-quality transcription rather than live meeting assistance, Sonix is often paired with recording tools or used to process existing audio and video files. It is popular with researchers, journalists, podcasters, and businesses that need reliable transcripts they can edit, search, and translate, with an emphasis on accuracy and language coverage. Platforms: Web / upload audio and video. Integrations: Zapier, Google Drive. Pricing varies by plan. Check the official website for current pricing.
Best suited for
Celeste AI is a free tier with paid upgrades (freemium); Sonix is a free tier with paid upgrades (freemium). Always confirm current pricing on each vendor's site before buying.
| Feature | Celeste AI | Sonix |
|---|---|---|
| Core capability | AI transcription specialized for Brazilian Portuguese | Automated transcription |
| Standout feature | Meeting Assistant for capturing and documenting meetings | In-browser transcript editor |
| Team usage | AI Notes for organizing transcribed content | Multi-language support |
| Integrations | Support for multiple languages including English, Spanish, German, Italian, and French | Translation and subtitles |
| Languages & capture | On-demand credit-based usage plus flexible subscription plans | Search across transcripts |
| Best-fit workflow | API access for integrating transcription into other workflows | Automated transcription |
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.
Sonix
Choose Sonix if you need transcribing recorded meetings — strengths include accurate transcription with strong editing.
Celeste AI
Sonix
It depends on your workflow. Celeste AI is strong for brazilian teams transcribing meetings and calls in portuguese, while Sonix is strong for transcribing recorded meetings. Both transcribe and summarize meetings.
Celeste AI is a free tier with paid upgrades and Sonix is a free tier with paid upgrades. Check each vendor's pricing page for the latest plans and free-tier limits.
Sure. Running both makes sense when their strengths don't overlap and the budget allows.
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