kitio.aiFluen AI vs SubTranslate AI
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. SubTranslate AI has the lower starting price: about $10 a month, against $29 for Fluen AI.
At a glance
Best for
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Subtitle generation
- 50+ languages
- Speaker detection
- Custom glossary
- Burned-in MP4 export
- REST API
- SRT and VTT translation
- Audio and video input
- Custom translation rules
- Batch translation
- 100+ languages
| Feature | Fluen AI | SubTranslate AI |
|---|---|---|
| Best for | Generates subtitles and translations in 50+ languages | Context-aware SRT subtitle translation into 100+ languages |
| Category | Video | Video |
| Pricing model | Freemium | Freemium |
| Starting price | $29/mo | $9.90/mo |
| Free plan | Yes | Yes |
| Made by | Fluen AI | SubTranslate AI |
| Based in | – | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
SubTranslate AI has the lower starting price: about $10 a month, against $29 for Fluen AI.
Free plan
Cheapest paid plan
Top plan
Free trial
4 plans
Free
Free
- Up to 3 files, 90 minutes each
- 50+ language translation
- Named speaker labels
Premium
$29/mo
- 150 minutes per month
- Full subtitle editor
- Burned-in MP4 in 4K and 1080p
Team
$59/mo
- 300 minutes per month
- 2 seats included
- Shared workspaces and approvals
Enterprise
Contact sales
- Custom volume
5 plans
Free
Free
- 1 file, 1 language
- First 90 subtitles or 30 seconds of media
Starter
$9.90/mo
- 60 credits per month
- Media up to 60 minutes
- 5 files and 5 languages at once
Premium
$19.90/mo
- 200 credits per month
- Media up to 180 minutes
- Custom translation instructions
Platinum
$39.90/mo
- 500 credits per month
- Media up to 360 minutes
Businesses
Contact sales
- Tailored business plans
Prices in USD, checked Oct 29, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Fluen AI
- Free tier for up to 3 files
- Many export formats
- Premiere Pro plugin and API
- Minutes are capped per month
- Team plan adds only two seats
- Top-up minutes cost extra
SubTranslate AI
- Handles audio and video as well as subtitle files
- Custom instructions for tone and terms
- Free tier to test quality
- Free tier translates only 90 subtitles
- Unused credits expire with the plan
- Translated files stored just 15 days
Which one should you choose?
Choose Fluen AI if you want:
- Free tier for up to 3 files
- Many export formats
- Premiere Pro plugin and API
Watch out: minutes are capped per month.
Choose SubTranslate AI if you want:
- Handles audio and video as well as subtitle files
- Custom instructions for tone and terms
- Free tier to test quality
Watch out: free tier translates only 90 subtitles.
Fluen AI vs SubTranslate AI FAQ
What is the difference between Fluen AI and SubTranslate AI?
Fluen AI: Generates subtitles and translations in 50+ languages. SubTranslate AI: Context-aware SRT subtitle translation into 100+ languages. Both are video tools.
Is Fluen AI or SubTranslate AI cheaper?
SubTranslate AI has the lower starting price: about $10 a month, against $29 for Fluen AI.
Do Fluen AI and SubTranslate AI have free plans?
Fluen AI: Yes. SubTranslate AI: Yes.
Who makes Fluen AI?
Fluen AI is made by Fluen AI.
Who makes SubTranslate AI?
SubTranslate AI is made by SubTranslate AI.
Which should I choose, Fluen AI or SubTranslate AI?
Choose Fluen AI if you value free tier for up to 3 files and many export formats. Choose SubTranslate AI if you value handles audio and video as well as subtitle files and custom instructions for tone and terms.