Callabo: Korean AI meeting-notes service from Return Zero that records, transcribes, summarizes, and analyzes meetings for individuals and teams. Gladia: Developer-focused speech-to-text API with real-time and async transcription, diarization, and meeting-bot integrations. 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 Callabo when turning recurring internal team meetings into shareable summaries and action items matters most, and Gladia when adding live captions and transcripts to video-conferencing products matters most. Test each on your own meetings; the right choice tends to become obvious quickly.
Korean AI meeting-notes service from Return Zero that records, transcribes, summarizes, and analyzes meetings for individuals and teams.
Developer-focused speech-to-text API with real-time and async transcription, diarization, and meeting-bot integrations.
Callabo (콜라보) is an AI meeting assistant developed by Return Zero (리턴제로), a Korean speech-AI company. It automatically records, transcribes, summarizes, and analyzes business meetings for both individuals and enterprise teams, aiming to turn a one-hour meeting into organized notes with a single click and no complex setup. Callabo connects to online meetings on Google Meet, Microsoft Teams, Zoom, and Webex, and also supports recording in-person meetings. After a meeting it produces transcripts, paragraph summaries, key discussion points, and action items with timestamped source quotes, and it can automatically detect the meeting language to handle multilingual conversations. An AI chat feature lets users ask follow-up questions about a meeting beyond the generated insights. The service integrates with workflow tools including Google Calendar, Outlook, Salesforce, Pipedrive, HubSpot, Slack, Microsoft Teams, Zapier, Notion, Confluence, and Linear. For enterprises, Callabo provides meeting access controls, team and member permission management, original-media retention settings, two-factor authentication, IP access restrictions, and audit logs, and it holds ISO/IEC 27001 certification. Mobile apps are available for both iOS and Android. Pricing varies by plan. Check the official website for current pricing.
Best suited for
Gladia is a speech-to-text API built for developers and product teams who want to embed transcription and audio intelligence into their own applications, including meeting assistants and note-taking tools. It offers both asynchronous transcription of pre-recorded audio and video files and a real-time streaming engine over WebSocket that returns results with low latency, making it suitable for live meetings and calls. The platform handles a wide range of languages with automatic language detection and code-switching, so it can follow conversations where participants switch languages mid-call. For meeting use cases, Gladia provides speaker diarization to label who said what, word-level timestamps, custom vocabulary, and audio-intelligence features such as summarization, sentiment analysis, and action-item extraction. It also offers meeting-bot integration that can join Zoom, Google Meet, and Microsoft Teams sessions to capture audio. Gladia positions itself as infrastructure rather than an end-user product, so companies typically use it to power their own transcription, captioning, or conversation-analytics features while relying on Gladia's compliance posture for data handling. Pricing varies by plan. Check the official website for current pricing.
Best suited for
Callabo is a free tier with paid upgrades (freemium); Gladia is a free tier with paid upgrades (freemium). Always confirm current pricing on each vendor's site before buying.
| Feature | Callabo | Gladia |
|---|---|---|
| Core capability | Automatic recording and transcription for Google Meet, Teams, Zoom, and Webex | Real-time streaming transcription over WebSocket with low latency |
| Standout feature | Paragraph summaries, key discussion points, and timestamped action items | Asynchronous transcription for pre-recorded audio and video files |
| Team usage | Automatic meeting-language detection for multilingual meetings | Speaker diarization with word-level timestamps |
| Integrations | AI chat to ask follow-up questions about a meeting | Multilingual transcription with automatic language detection and code-switching |
| Languages & capture | Integrations with calendars, CRM, messengers, and project tools | Audio intelligence: summaries, sentiment analysis, and action-item extraction |
| Best-fit workflow | Enterprise security: permissions, 2FA, IP restrictions, and audit logs | Meeting-bot integration for Zoom, Google Meet, and Microsoft Teams |
Callabo
Choose Callabo if you need turning recurring internal team meetings into shareable summaries and action items — strengths include serves both individual users and enterprise teams.
Gladia
Choose Gladia if you need powering a custom ai meeting assistant or note-taker — strengths include single api covers both batch and real-time transcription use cases.
Callabo
Gladia
It depends on your workflow. Callabo is strong for turning recurring internal team meetings into shareable summaries and action items, while Gladia is strong for powering a custom ai meeting assistant or note-taker. Both transcribe and summarize meetings.
Callabo is a free tier with paid upgrades and Gladia is a free tier with paid upgrades. Check each vendor's pricing page for the latest plans and free-tier limits.
Sure. Running both makes sense when their strengths don't overlap and the budget allows.
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