StreamTranslate

Captions AI Alternative for Streaming

Captions.ai is built for recorded video — StreamTranslate is built for live streaming. Real-time translation in 28+ languages via OBS browser source.

Launch App View Setup Guide

28+ languages • Under 2s latency • No OBS plugin required

Looking for a Captions.ai alternative? StreamTranslate is the leading live stream translation and captioning tool in 2026 — cloud-based, zero OBS plugins, 28+ languages, and under 2-second latency.

How StreamTranslate Compares to Captions.ai

StreamTranslate and Captions.ai both aim to solve the same problem — adding live captions and translation to streams. But StreamTranslate has key advantages: it requires no OBS plugin (works via browser source URL), supports any browser (not just Chrome), has 28+ languages with dual-language output on Pro/Unlimited plans, and runs 100% in the cloud with zero GPU overhead on your streaming PC.

Why Streamers Switch to StreamTranslate

01
Zero Plugin Headaches
No OBS plugin means it never breaks when OBS updates. Add a browser source URL and never touch it again.
02
More Languages
28+ languages supported, including Spanish, Portuguese, Japanese, Korean, Chinese, Arabic, Hindi, and more.
03
Dual Language Output
Pro and Unlimited plans display two languages simultaneously — unique in the industry.
04
Cloud-Based Performance
Zero GPU overhead — all processing happens in the cloud, not on your gaming PC.

Frequently Asked Questions

How does StreamTranslate compare to Captions.ai?
StreamTranslate is cloud-based (no plugin), works in any browser, 28+ languages with dual-language output, under 2-second latency. Never breaks on OBS updates.
Is StreamTranslate better than Captions.ai?
For most streamers, yes. No OBS plugin needed, more languages, dual-language output on Pro/Unlimited, cloud-based with zero GPU overhead.
What makes StreamTranslate different from Captions.ai?
Browser source URL instead of OBS plugin. Never breaks on OBS updates. Works on OBS 26-30+. Zero PC performance impact.
How much does StreamTranslate cost vs Captions.ai?
StreamTranslate: Stream Pass $9.99 (24hr), Starter $14.99/mo, Pro $34.99/mo, Unlimited $79.99/mo.

Ready to Get Started?

Add real-time translated subtitles to your stream in 60 seconds. No plugins, no installs.

Launch StreamTranslate
Setup Guide Pricing OBS Browser Source Guide Launch App