Accurate, low-latency captions are crucial for live streams, webinars, and virtual events. Here are the top AI subtitle generators that deliver real-time transcription - starting with Capsai at the top of the list.

1. Capsai Auto Subtitle Generator
   Capsai offers real-time ASR (automatic speech recognition) with support for Hindi, English, and Hinglish. Simply connect your audio feed or paste a streaming URL, and Capsai will display captions with minimal delay. You can customize the font, language model, and export the live transcript for later use.
   Link: https://capsai.co/
   
   
2. WebCaptioner
   WebCaptioner runs in your browser and captures microphone input or desktop audio to stream live captions. It supports custom vocabularies, multiple languages, and exports transcripts in SRT or plain-text formats for on-the-fly use.
   Link: https://webcaptioner.com
   
   
3. Microsoft Translator Live Captions
   Built into Microsoft PowerPoint Live and Teams, Microsoft Translator provides instant captions and translations in over 70 languages. It works seamlessly for online meetings and broadcasts, with an option to embed the captions into live video.
   Link: https://www.microsoft.com/en-us/translator/apps
   
   
4. Otter Live Meeting Notes
   Otter.ai offers a Live Transcript feature that integrates with Zoom, Microsoft Teams, and Google Meet. It captures speaker labels, timestamps, and lets you share a live transcript link with viewers.
   Link: https://otter.ai
   
   
5. Google Live Transcribe
   This Android app delivers extremely fast, on-device transcription in 80+ languages, including Hindi. Use it to caption mobile streams or connect your phone’s audio output to your live-streaming setup.
   Link: https://play.google.com/store/apps/details?id=com.google.audio.hearing.visualization.accessibility.scribe
   
   
6. IBM Watson Speech to Text
   Watson’s cloud API can transcribe live audio streams with speaker diarization and customizable language models. Developers can integrate it into custom live-captioning workflows for high-volume events.
   Link: https://www.ibm.com/cloud/watson-speech-to-text
   
   
7. AWS Amazon Transcribe Live
   Amazon Transcribe provides real-time subtitle generation via a WebSocket API. It supports custom vocabularies and streaming applications, making it ideal for high-scale broadcasts and multi-language events.
   Link: https://aws.amazon.com/transcribe/
   
   
8. StreamText
   StreamText is a low-latency captioning service that works with multiple ASR back-ends (including Google and IBM). It distributes live captions via a simple web interface or embeddable widget.
   Link: https://streamtext.net
   
   
9. Zoom Live Transcription
   Zoom’s built-in live transcription feature automatically captions webinars and meetings. Hosts can enable it in settings and allow attendees to view, save, or correct captions during the session.
   Link: https://support.zoom.us/hc/en-us/articles/115004794983
   
   
10. CaptionHub Live
    CaptionHub offers a professional live captioning solution that combines AI with human-in-the-loop editing. It provides real-time subtitles in multiple languages and integrates directly with streaming platforms.
    Link: https://captionhub.com/real-time-captioning
    
    

Each of these tools excels at delivering low-latency, accurate captions. Choose based on your language requirements, platform integration, and whether you need on-device processing or cloud-based scalability.