Side by side
Captioner.io vs GPT Subtitler
Compare what each tool does, what it costs, and how it fits your workflow.
Designed for
Add accurate, multilingual subtitles to videos - fast, right in your browser.
Translate subtitles and transcribe audio with AI precision.
Primary task
Video captions
Video captions
Pricing
Free Trial · Trial; then from $5/mo
Freemium · Free + from $5/mo
Pricing details
Free + from $5/mo
Free + from $5/mo
Billing cycle
Monthly
Monthly
API access
Not documented
Not documented
Platforms
Web
Web
Integrations
Not documented
Make
Source rating
5.0 / 5 · 2 ratings
3.3 / 5 · 4 ratings
Catalog views
26k
1.9k
Estimated monthly traffic
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Catalog imported
30 Aug 2026
30 Aug 2026
Listed strengths
- High accuracy (98% )
- Supports 98 languages
- Word-level timestamps
- Precise subtitle alignment
- Import and auto-sync transcripts
- Subtitle translation
- Audio transcription
- Multiple languages support
- User-friendly interface
- High accuracy
Listed limitations
- Translation options are limited
- MP4/MOV uploads only
- 2GB file size cap
- Not the fastest transcriber
- Watermark on free renders
- Performance varies with input
- Dependent on language pairs
- Unspecified error handling
- No multi-device support
- Lacks customization options