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. EventCAT: AI platform that delivers real-time subtitles and voice interpretation in 50+ languages for conferences, webinars, and online meetings. Here's where each one pulls ahead on pricing, features, and the meetings it suits best.
How Hosiqo compares and tests toolsFinal recommendation
Shortlist Celeste AI when brazilian teams transcribing meetings and calls in portuguese matters most, and EventCAT when adding real-time translation and captions to zoom, teams, or google meet webinars 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.
AI platform that delivers real-time subtitles and voice interpretation in 50+ languages for conferences, webinars, and online meetings.
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
EventCAT is an AI-powered real-time interpretation and subtitling platform built by XL8 Inc. for meetings, webinars, and live conferences. It converts spoken audio into live captions and synthesized voice translation across more than 50 languages, allowing multilingual audiences to follow sessions without traditional interpreter booths. The platform offers two products: an OnlineMeeting mode that integrates with Zoom, Google Meet, and Microsoft Teams, and a Conference mode designed for in-person and hybrid events. For conferences, each session generates a unique QR code so attendees can view or listen to captions in their preferred language on a phone or tablet, while subtitles can also be projected on main event screens and pushed to YouTube and OBS streams. EventCAT exposes two processing modes, one tuned for low latency and one tuned for accuracy, and supports custom glossaries for industry and company-specific terminology. After an event it produces downloadable transcripts in multiple languages and AI-generated summaries. The service advertises SOC 2 certification and a stated policy of not storing or training on user data, and it is actively operating in 2025 and 2026. Pricing varies by plan. Check the official website for current pricing.
Best suited for
Celeste AI is a free tier with paid upgrades (freemium); EventCAT is a free tier with paid upgrades (freemium). Always confirm current pricing on each vendor's site before buying.
| Feature | Celeste AI | EventCAT |
|---|---|---|
| Core capability | AI transcription specialized for Brazilian Portuguese | Real-time AI subtitles and synthesized voice interpretation in 50+ languages |
| Standout feature | Meeting Assistant for capturing and documenting meetings | Conference mode with per-session QR codes for attendees plus main-screen subtitle display |
| Team usage | AI Notes for organizing transcribed content | Integrations with Zoom, Google Meet, Microsoft Teams, YouTube, and OBS |
| Integrations | Support for multiple languages including English, Spanish, German, Italian, and French | Selectable speed-prioritized and accuracy-prioritized translation modes |
| Languages & capture | On-demand credit-based usage plus flexible subscription plans | Custom glossaries for industry and proper-noun accuracy |
| Best-fit workflow | API access for integrating transcription into other workflows | Post-event downloadable multilingual transcripts and AI summaries |
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.
EventCAT
Choose EventCAT if you need providing multilingual live subtitles and audio at in-person conferences and seminars — strengths include combines both live captions and voice interpretation in one platform.
Celeste AI
EventCAT
It depends on your workflow. Celeste AI is strong for brazilian teams transcribing meetings and calls in portuguese, while EventCAT is strong for providing multilingual live subtitles and audio at in-person conferences and seminars. Both transcribe and summarize meetings.
Celeste AI is a free tier with paid upgrades and EventCAT 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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