Sora Prompt for Writing Subtitles

Sora, OpenAI's video generation model, opens fascinating possibilities for multimedia content creation. Among its most practical applications, writing subtitles stands out as a particularly relevant use case. Whether you produce educational videos, marketing content, or documentaries, well-written subtitles improve accessibility, SEO, and audience engagement. By combining Sora's contextual understanding capabilities with a structured prompt, you can generate subtitles that respect technical constraints (display duration, characters per line) while preserving the tone and style of your content. This page offers an optimized prompt along with several variants adapted to your expertise level, to transform your scripts or transcripts into professional subtitles ready for integration into your video projects. Discover how to fully leverage Sora to produce clear, synchronized, and impactful subtitles.

The prompt

Sora

You are a professional subtitler specialized in creating subtitles for video content. From the following transcript, generate subtitles respecting these rules:

Maximum 2 lines per subtitle, 42 characters per line
Display duration: minimum 1 second, maximum 7 seconds per subtitle
Respect natural speech pauses for breaks
Keep the speaker's tone and language register
Correct hesitations and repetitions without altering the meaning
Format in SRT with precise timestamps

Transcript to subtitle:
[PASTE YOUR TRANSCRIPT HERE]

Video context: [TYPE OF CONTENT - e.g., tutorial, interview, presentation]
Target language: French
Target audience: [DESCRIBE THE AUDIENCE]

Generate the subtitles in SRT format, sequentially numbered, with realistic timestamps based on an average speech rate of 150 words per minute.

Personalize this prompt with Léa

Answer 3 questions and Léa tailors the prompt to your situation.

Why it works

This prompt works by assigning a precise expert role (professional subtitler) that activates the model's specialized knowledge. The specific technical constraints (42 characters, 7 seconds max) eliminate ambiguity and produce a result compliant with broadcast standards. The additional context (content type, audience) allows Sora to adapt the language register and level of simplification of the subtitles.

Expected result

You will obtain a complete SRT file with numbered subtitles, synchronized timestamps, and text broken naturally respecting breathing pauses. The subtitles will be readable, grammatically correct, and adapted to standard display format. The result will be directly importable into video editing software like Premiere Pro, DaVinci Resolve, or CapCut.

Variants by level

FAQ

Can Sora generate subtitles directly synchronized with a video?

Sora generates textual subtitles from a transcript you provide. Precise synchronization with the video requires either providing existing timestamps in your transcript or using editing software to adjust the generated timestamps. For perfect automatic synchronization, combine Sora with a speech-to-text tool like Whisper that provides timestamps, then ask Sora to reformat and correct the text.

How to adapt generated subtitles for social media (TikTok, Instagram Reels)?

Subtitles for social media have different constraints from broadcast format: shorter text (max 20 characters per line), capitalized keywords for visual impact, and centered display. Add the following details to your prompt: "Social media format: max 3-4 words per line, dynamic style with keywords in CAPS, ultra-short sentences." You can also ask Sora to generate subtitles in a format compatible with CapCut or mobile editing tools.

What is the difference between subtitles and closed captions, and how to adapt the prompt?

Subtitles translate or transcribe only dialogue, while closed captions also include sound descriptions (music, noises, voice tones). To generate closed captions with Sora, add to your prompt: "Include sound cues in brackets [soft music], [laughter], [phone ringing] and specify speakers' tone in parentheses (sarcastic), (whispering) when relevant for understanding." This makes your content accessible to deaf and hard-of-hearing people.

How to use this prompt

Copy the prompt with the button above.
Paste it into ChatGPT, Claude or your favorite AI assistant.
Replace the bracketed variables with your details, then refine the result.

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