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. Voicegain: Speech-to-text and ASR platform with developer APIs plus a private LLM-powered meeting notetaker. Below, they line up on price, capture method, and how each fits a real meeting stack.
How Hosiqo compares and tests toolsFinal recommendation
Shortlist Celeste AI when brazilian teams transcribing meetings and calls in portuguese matters most, and Voicegain when building telephony voice bots and call analytics matters most. Trial each on a few real meetings before you commit — the better fit usually shows fast.
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.
Speech-to-text and ASR platform with developer APIs plus a private LLM-powered meeting notetaker.
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
Voicegain is a speech recognition company that offers both speech-to-text APIs for developers and a packaged meeting assistant called Transcribe. Its ASR engine supports batch transcription of recorded files and real-time streaming for live audio, and it can be deployed in the cloud, in a customer's virtual private cloud, or on-premises, which appeals to organizations with strict data-control or privacy requirements. On the developer side, Voicegain provides speech-to-text, speech-analytics, and telephony-bot APIs that can transcribe audio and analyze it for sentiment, named entities, topics, and intent. Its meeting product, Transcribe, is described as a private, LLM-powered meeting notetaker that captures audio from video-meeting browser tabs and uploaded recordings, integrates with Zoom, Microsoft Teams, and Google Meet, and automatically identifies topics and highlights from a conversation. A Windows desktop app supports Zoom local recordings. Because Voicegain spans both an underlying ASR platform and an end-user meeting tool, it suits teams that want either to build on its APIs or to use a ready meeting notetaker with flexible deployment and a focus on keeping data private. Pricing varies by plan. Check the official website for current pricing.
Best suited for
Celeste AI is a free tier with paid upgrades (freemium); Voicegain is a free tier with paid upgrades (freemium). Always confirm current pricing on each vendor's site before buying.
| Feature | Celeste AI | Voicegain |
|---|---|---|
| Core capability | AI transcription specialized for Brazilian Portuguese | Batch and real-time speech-to-text APIs |
| Standout feature | Meeting Assistant for capturing and documenting meetings | Private LLM-powered meeting notetaker (Transcribe) |
| Team usage | AI Notes for organizing transcribed content | Integrations with Zoom, Microsoft Teams, and Google Meet |
| Integrations | Support for multiple languages including English, Spanish, German, Italian, and French | Speech analytics: sentiment, named entities, topics, and intent |
| Languages & capture | On-demand credit-based usage plus flexible subscription plans | Cloud, VPC, and on-premises deployment options |
| Best-fit workflow | API access for integrating transcription into other workflows | Telephony bot APIs for voice agents |
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.
Voicegain
Choose Voicegain if you need taking private, automated notes for zoom, teams, and meet calls — strengths include flexible deployment including on-premises for data control.
Celeste AI
Voicegain
It depends on your workflow. Celeste AI is strong for brazilian teams transcribing meetings and calls in portuguese, while Voicegain is strong for taking private, automated notes for zoom, teams, and meet calls. Both transcribe and summarize meetings.
Celeste AI is a free tier with paid upgrades and Voicegain is a free tier with paid upgrades. Check each vendor's pricing page for the latest plans and free-tier limits.
You can — some teams pair them when each covers a different part of the meeting workflow.
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