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. Shadow: A bot-free, Mac-based AI meeting assistant that transcribes and summarizes calls locally without joining as a participant. 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 Shadow when privacy-conscious teams that prefer on-device 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.
A bot-free, Mac-based AI meeting assistant that transcribes and summarizes calls locally without joining as a participant.
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
Shadow is a bot-free AI meeting assistant for macOS that captures meetings by listening to your computer's audio in the background rather than joining the call as a visible participant. Because transcription runs locally on the Mac, the audio does not need to leave the device for that core processing step, which the company positions as a privacy advantage. Shadow can automatically detect when a meeting starts, transcribe the conversation with speaker identification, and turn the discussion into structured notes, summaries, and follow-up items. It also captures on-screen content alongside the spoken audio, so material shared during a call (slides, dashboards, or shared windows) can be reflected in the output. The tool works across common conferencing platforms including Zoom, Microsoft Teams, Google Meet, Webex, Slack, and Discord. Users can configure customizable prompts (described as Skills) to generate notes, summaries, or drafted emails, and connect outputs to other tools via webhooks. It is aimed at professionals and teams who want meeting capture without adding another bot to the call. Pricing varies by plan. Check the official website for current pricing.
Best suited for
Celeste AI is a free tier with paid upgrades (freemium); Shadow is a free tier with paid upgrades (freemium). Always confirm current pricing on each vendor's site before buying.
| Feature | Celeste AI | Shadow |
|---|---|---|
| Core capability | AI transcription specialized for Brazilian Portuguese | Bot-free capture that records system audio without joining the meeting as a participant |
| Standout feature | Meeting Assistant for capturing and documenting meetings | On-device (local) transcription on macOS |
| Team usage | AI Notes for organizing transcribed content | Speaker identification during transcription |
| Integrations | Support for multiple languages including English, Spanish, German, Italian, and French | Captures on-screen content in addition to spoken audio |
| Languages & capture | On-demand credit-based usage plus flexible subscription plans | Customizable prompts/Skills to generate notes, summaries, and emails |
| Best-fit workflow | API access for integrating transcription into other workflows | Webhook integration to connect outputs to other tools |
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.
Shadow
Choose Shadow if you need capturing notes and summaries across multiple conferencing platforms without a bot joining — strengths include does not add a visible bot to meetings.
Celeste AI
Shadow
It depends on your workflow. Celeste AI is strong for brazilian teams transcribing meetings and calls in portuguese, while Shadow is strong for capturing notes and summaries across multiple conferencing platforms without a bot joining. Both transcribe and summarize meetings.
Celeste AI is a free tier with paid upgrades and Shadow is a free tier with paid upgrades. Check each vendor's pricing page for the latest plans and free-tier limits.
Yes. Many teams run more than one meeting assistant when the workflows are complementary.
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