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. Prismical: Open-source AI note taker that transcribes meetings, lectures, and voice notes locally without bots, then organizes them into structured, actionable notes. We compare them on cost, capture approach, and day-to-day fit so you can choose faster.
How Hosiqo compares and tests toolsFinal recommendation
Shortlist Celeste AI when brazilian teams transcribing meetings and calls in portuguese matters most, and Prismical when capturing voice notes and turning them into structured, searchable notes 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.
Open-source AI note taker that transcribes meetings, lectures, and voice notes locally without bots, then organizes them into structured, actionable notes.
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
Prismical is an open-source AI note taker, from the Amical project, that transcribes meetings, lectures, and voice notes using local AI and without an invasive bot joining the call. It captures system audio in the background and processes it locally with Whisper and Parakeet models, while optionally connecting to cloud providers such as OpenAI, Claude, or Gemini using the user's own API keys. The project is MIT-licensed and actively maintained, with a Prismical Desktop v0.1.0 release in May 2026 and beta mobile apps for iOS and Android. Built with Electron, Next.js, TailwindCSS, and Ollama integration, it provides real-time meeting transcription via system audio capture and a floating widget that shows live transcripts as a conversation happens. Beyond capture, Prismical generates AI-powered summaries and extracts action items, and it keeps notes organized, structured, and searchable with full-text search across captured content. It also exposes an MCP server integration for connecting the tool into broader AI workflows. The combination of bot-free local capture, structured summaries, and free-forever positioning makes it a privacy-oriented alternative to cloud meeting notetakers for individuals who want their recordings to stay on their own devices. Pricing varies by plan. Check the official website for current pricing.
Best suited for
Celeste AI is a free tier with paid upgrades (freemium); Prismical is a free tier with paid upgrades (freemium). Always confirm current pricing on each vendor's site before buying.
| Feature | Celeste AI | Prismical |
|---|---|---|
| Core capability | AI transcription specialized for Brazilian Portuguese | Bot-free real-time meeting transcription via system audio capture |
| Standout feature | Meeting Assistant for capturing and documenting meetings | Local-first processing using Whisper and Parakeet models |
| Team usage | AI Notes for organizing transcribed content | AI-powered summaries and action-item extraction |
| Integrations | Support for multiple languages including English, Spanish, German, Italian, and French | Floating widget for live transcripts during a conversation |
| Languages & capture | On-demand credit-based usage plus flexible subscription plans | Full-text search across captured notes |
| Best-fit workflow | API access for integrating transcription into other workflows | Optional cloud providers (OpenAI, Claude, Gemini) with user 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.
Prismical
Choose Prismical if you need individuals transcribing and summarizing meetings or lectures without inviting a bot — strengths include captures meetings and voice notes locally without a bot joining calls.
Celeste AI
Prismical
It depends on your workflow. Celeste AI is strong for brazilian teams transcribing meetings and calls in portuguese, while Prismical is strong for individuals transcribing and summarizing meetings or lectures without inviting a bot. Both transcribe and summarize meetings.
Celeste AI is a free tier with paid upgrades and Prismical 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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