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. OpenOats: Open-source macOS meeting note-taker that transcribes calls locally and surfaces relevant talking points from your own notes in real time. 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 OpenOats when privately transcribing meetings on a mac without sending audio to the cloud 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.
Open-source macOS meeting note-taker that transcribes calls locally and surfaces relevant talking points from your own notes in real time.
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
OpenOats is an open-source macOS meeting note-taker, created by Yazin Akkawi (the project was previously named OpenGranola before being renamed), that sits alongside your calls and both transcribes the conversation and helps you contribute to it. It captures both sides of a meeting and transcribes audio locally on Apple Silicon so audio never leaves the device, while in real time it searches your own markdown or plain-text knowledge base to surface relevant talking points and things worth saying during the discussion. The application window is hidden from screen sharing by default, which lets it stay private during video calls, and transcripts and session logs are auto-saved locally. OpenOats supports both fully local operation through Ollama and cloud providers such as OpenRouter and Voyage AI, so users can choose between complete offline privacy and hosted models. It is written primarily in Swift, distributed under the MIT license, and actively maintained with very frequent releases. The project documents itself at openoats.com and targets users who want a privacy-respecting, self-hostable alternative to cloud meeting copilots, combining live transcription with a retrieval layer over personal notes rather than only producing an after-the-fact summary. Pricing varies by plan. Check the official website for current pricing.
Best suited for
Celeste AI is a free tier with paid upgrades (freemium); OpenOats is a free tier with paid upgrades (freemium). Always confirm current pricing on each vendor's site before buying.
| Feature | Celeste AI | OpenOats |
|---|---|---|
| Core capability | AI transcription specialized for Brazilian Portuguese | Real-time local transcription of both sides of a conversation on Apple Silicon |
| Standout feature | Meeting Assistant for capturing and documenting meetings | Live retrieval of relevant talking points from your own notes during meetings |
| Team usage | AI Notes for organizing transcribed content | Window hidden from screen sharing by default for privacy on calls |
| Integrations | Support for multiple languages including English, Spanish, German, Italian, and French | Auto-saved transcripts and session logs to local files |
| Languages & capture | On-demand credit-based usage plus flexible subscription plans | Works fully local via Ollama or with cloud models (OpenRouter, Voyage AI) |
| Best-fit workflow | API access for integrating transcription into other workflows | MIT-licensed, self-hostable Swift application |
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.
OpenOats
Choose OpenOats if you need getting live, context-aware prompts from your own notes during sales or customer calls — strengths include local on-device transcription keeps meeting audio private.
Celeste AI
OpenOats
It depends on your workflow. Celeste AI is strong for brazilian teams transcribing meetings and calls in portuguese, while OpenOats is strong for getting live, context-aware prompts from your own notes during sales or customer calls. Both transcribe and summarize meetings.
Celeste AI is a free tier with paid upgrades and OpenOats 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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