StreamTranslate vs YouTube Auto Captions

Comparing StreamTranslate vs YouTube Auto Captions for live stream subtitles in 2026.

YouTube Auto Captions vs StreamTranslate: Feature Comparison

Feature	YouTube Auto Captions	StreamTranslate
Latency	2–5 seconds	Under 2 seconds
Languages	5–15	28+ languages
No plugin required	Plugin / install needed	Yes — just a URL
Browser support	Chrome only or limited	Any browser
Dual language subtitles	No	Yes (Pro/Unlimited)
OBS Browser Source	Complicated	Paste URL, done
Starting price	Higher / subscription only	$9.99 one-time pass
Cloud-based (no GPU)	Local processing	100% cloud

About YouTube Auto Captions

YouTube auto captions work for VODs. For live streams, they are viewer-side only, cannot be customized, and do not translate for international viewers.

Why StreamTranslate Wins for Live Streaming

Streamer-controlled overlay — subtitles visible to ALL viewers on stream
OBS browser source integration — works in any streaming software
28+ languages — Spanish, Portuguese, Japanese, Korean, and more
Under 2-second latency — cloud-based parallel translation race
No viewer action required — subtitles appear automatically for everyone
Dual-language display on Pro/Unlimited

How StreamTranslate Works

StreamTranslate uses Deepgram Nova-2 and Nova-3 AI for real-time speech recognition, then races multiple translation providers (DeepL, Google, and others) to return the fastest result. Translated subtitles appear on your OBS browser source overlay in under 2 seconds end-to-end.

Cloud-based — zero GPU or CPU usage on your stream PC
28+ languages supported (Spanish, Portuguese, Japanese, Korean, French, German, Arabic, Hindi, and more)
No OBS plugin required — won't break when OBS updates
Works on any browser — not Chrome-only
Dual-language subtitles on Pro and Unlimited plans
Gaming vocabulary dictionary for accurate streaming captions

Setup in 60 Seconds

1. Go to streamtranslate.live/control and start a room
2. Choose your source language and target translation language
3. Copy the OBS browser source URL
4. In OBS: Sources → Add → Browser Source → paste URL → set 1920×1080
5. Start streaming — subtitles appear live on your stream

Full walkthrough: Setup Guide · OBS Browser Source

Pricing

Stream Pass: $9.99 one-time, 12 hours single language.
Starter: $14.99/month, 25 hours/month single language.
Pro: $34.99/month, 40 hours/month dual-language subtitles.
Unlimited: $79.99/month, unlimited hours dual-language.

Full details at streamtranslate.live/pricing. Free trial available — no credit card required.

Start Translating Free →

See also: Setup Guide · Pricing · OBS Setup · Stream Translate · Launch App

Frequently Asked Questions

Is StreamTranslate better than YouTube Auto Captions?
For streamers who want on-screen subtitles visible to all viewers with translation — yes. YouTube Auto Captions is not a streamer-controlled overlay. StreamTranslate is purpose-built for live stream overlays.

Does YouTube Auto Captions support real-time stream translation?
YouTube Auto Captions is not designed as a live stream translation overlay. StreamTranslate solves this with OBS browser source integration and 28+ languages.

How do I switch to StreamTranslate?
Go to streamtranslate.live/control, start a free trial, copy the browser source URL, and add it to OBS. Under 60 seconds.

Does StreamTranslate work on YouTube Live?
Yes. StreamTranslate works on YouTube Live, Twitch, Kick, TikTok Live, Facebook Gaming, and any OBS-supported platform.