Best AI tools to detect speakers in audio
Top picks at a glance:
- AssemblyAI — Voice AI infrastructure providing speech-to-text, voice agent, and speech understanding APIs for developers.
- Transcript.LOL — Accurate AI-driven transcription for audio and video files with speaker recognition and content analysis tools.
- HyNote — Multimodal AI platform for capturing, transcribing, summarizing, and organizing information from meetings, lectures, audio, and documents.
- Undetectable AI — Platform to detect, rewrite, and humanize AI-generated content for authentic and natural-sounding text.
- SubEasy — AI-powered platform for subtitle generation, transcription, translation, and dubbing.
| Tool | What it does | Pricing | Free tier | Refunds |
|---|---|---|---|---|
| AssemblyAI | Voice AI infrastructure providing speech-to-text, voice agent, and speech understanding APIs for developers. | Free tier | Yes | None stated |
| Transcript.LOL | Accurate AI-driven transcription for audio and video files with speaker recognition and content analysis tools. | Free tier * | Yes | — |
| HyNote | Multimodal AI platform for capturing, transcribing, summarizing, and organizing information from meetings, lectures, audio, and documents. | Free tier; paid from $6.66/mo * | Yes | None stated |
| Undetectable AI | Platform to detect, rewrite, and humanize AI-generated content for authentic and natural-sounding text. | Free tier; paid from $5/mo * | Yes | — |
| SubEasy | AI-powered platform for subtitle generation, transcription, translation, and dubbing. | Free tier; paid from $90.28/mo | Yes | None stated |
— means the vendor does not state it on the pages we read.
* pricing not verified against the vendor's pricing page.
How do I choose an AI tool to detect speakers in audio?
When selecting an AI tool to identify speakers, start by assessing your technical needs. If you require programmatic access for an application, prioritize AssemblyAI, Transcript.LOL, Undetectable AI, or SubEasy, as they provide API access. If you prefer a consumer-facing interface for meetings or lectures, consider HyNote for its multi-platform support across iOS, Android, and web. Always review the subscription terms before signing up; note that HyNote and SubEasy involve auto-renewals, while AssemblyAI, HyNote, and SubEasy explicitly state no refunds. Finally, check for platform compatibility, such as whether you need a Chrome extension or mobile access to manage your workflow. By matching your requirements for API availability, mobile accessibility, and billing flexibility against these stated features, you can narrow your search to the most suitable tool.
AssemblyAI
Visit AssemblyAIassemblyai.com
Voice AI infrastructure providing speech-to-text, voice agent, and speech understanding APIs for developers.
Detect multiple speakers in audio files and segment the transcript into utterances, showing what each speaker said.
Pricing, in their words: “Start free, pay-as-you-go after that – no commitments required.” (pricing)
Subscription terms they state: states no refunds (source)
Limits the vendor states:
- no programmatic extraction
Transcript.LOL
Visit Transcript.LOLtranscript.lol
Accurate AI-driven transcription for audio and video files with speaker recognition and content analysis tools.
Automatically identify different speakers in your recordings and label them with their names.
Pricing: Free tier (pricing)
Subscription terms they state: cancel in-app (source)
No usage limits stated on the pages we read.
Multimodal AI platform for capturing, transcribing, summarizing, and organizing information from meetings, lectures, audio, and documents.
Get automatic speaker labels with real-time transcription on Zoom, Google Meet, Microsoft Teams, and any meeting platform.
Pricing: Free tier; paid from $6.66/mo (pricing)
Subscription terms they state: cancel in-app · auto-renews · states no refunds (source)
Limits the vendor states:
- Some features require paid plans
Undetectable AI
Visit Undetectable AIundetectable.ai
Platform to detect, rewrite, and humanize AI-generated content for authentic and natural-sounding text.
Identify synthetic voices and AI-generated audio with precision analysis.
Pricing: Free tier; paid from $5/mo (pricing)
No usage limits stated on the pages we read.
SubEasy
Visit SubEasysubeasy.aiCancellation & refund terms for SubEasy
AI-powered platform for subtitle generation, transcription, translation, and dubbing.
Source: subeasy.ai
Pricing, in their words: “Pro Plan ¥1083.33/month (¥13000/year)” (pricing)
Subscription terms they state: cancel in-app · auto-renews · states no refunds (source)
Limits the vendor states:
- no refunds
FAQ
Is there a free tool to detect speakers in audio?
Yes — AssemblyAI, Transcript.LOL, HyNote, Undetectable AI, SubEasy offer a free tier.
What is the cheapest paid option to detect speakers in audio?
Undetectable AI starts at $5/month.
Which of these have an API?
AssemblyAI, Transcript.LOL, Undetectable AI, SubEasy document a developer API.
How do I cancel these subscriptions?
Transcript.LOL: cancel in-app; HyNote: cancel in-app; SubEasy: cancel in-app. AssemblyAI, Undetectable AI do not state a cancellation route on the pages we read.
Can I get a refund?
AssemblyAI states it does not offer refunds; HyNote states it does not offer refunds; SubEasy states it does not offer refunds. The others (Transcript.LOL, Undetectable AI) do not state a refund policy on the pages we read.
Do these subscriptions auto-renew?
HyNote, SubEasy state that paid plans renew automatically. Check the billing page before subscribing; the rest do not state it either way.
Sources
Every fact above was read from the vendors' own pages: