Schema Summary
ProductionDefault8 params0 required
/create-subtitle-aws
Validation
No current blocking errors
Dynamic inputs regenerate when provider/model changes.
Creative Intent
Prompting, language, style, moderation
AI Prompt Enhancement
Refine and expand your prompt with AI for better results
Output & Composition
Size, ratio, quality, format
Optionalarray
Optionalarray
Generation Controls
Seed, counts, tuning, safety, locked model params
Optionalstring
Optionalboolean
Disabled
Optionalinteger
Numeric
Reference System
Source images, references, control assets, passthrough inputs
Audio Input: Provide exactly one of audio_url (public URL), audio_s3_uri (s3://…), or audio_base64 (base64-encoded audio). At least one is required to generate subtitles.
Optionalstring
Optionalstring
Optionalstring
Live Preview
Primary Output Canvas
Ready to generate
Fill in the prompt and click Generate to create your subtitle
Request Preview
Live JSON Payload
Dynamic
{
  "output_formats": [
    "srt",
    "vtt"
  ],
  "enable_speaker_diarization": false,
  "max_speakers": 2,
  "translate_to": []
}
Schema Inspector
Provider / Model Contract
Provider
AWS Transcribe
Model
AWS Transcribe
Endpoint
/create-subtitle-aws
Response
subtitles
Required Params
0

Subtitle Studio — AI Subtitle and Caption Generation

BeforeTomorrow Subtitle Studio generates accurate subtitles, captions, and transcription for video content. AI handles timing synchronization, multi-language support, and accessibility compliance.

How does BeforeTomorrow Subtitle Studio work?

Subtitle Studiouses BeforeTomorrow's domain engineering approach: rather than a generic AI prompt, it deploys specialized agents trained in the multimedia production and audiovisual domain. When you submit a brief, Claude Opus 4.6 handles creative judgment while Sonnet 4.6 manages intelligence extraction — together producing professional output tailored to your specific requirements and industry context.

Unlike stock asset libraries, every Subtitle Studio output is uniquely generated from scratch — adapting to your industry (across 140+ supported industries), audience, and specific goals. No two outputs are identical because the AI composes each piece individually rather than filling a template.

Subtitle Studio at a glance

  • • Category: Multimedia & Audio/Video
  • • AI: Claude Opus 4.6 + Sonnet 4.6
  • • Platform: 48 studios total on BeforeTomorrow
  • • Industries: 140+ with domain-specific knowledge
  • • Pricing: Pay-per-generation from $3
  • • Output: Unique per generation (no templates)
  • • Data: EU residency (AWS Bedrock)
  • • Rights: Full commercial usage included
  • • Related: Video Studio, Translation Studio, Voice Studio, Podcast Studio
  • • Subscription: Not required

Frequently asked questions about Subtitle Studio

What languages?

50+ languages supported for subtitle generation and translation with proper timing synchronization and line-break rules.

What formats?

SRT, VTT, ASS/SSA, and burned-in subtitle rendering. Compatible with YouTube, Vimeo, and broadcast standards.

Related studios you might like

How BeforeTomorrow works →Compare AI tools →Pricing →

Last updated: June 2026