Explainer video for Fable & Astra language learning app made with Claude Opus 5.5: Claude Opus launch video

Originally posted by @1stnoel_ on X · posted Sep 24, 2026 · curated by MotionHunt, updated Oct 15, 2026

In short

The post shares an educational video generated from a prompt asking for a 1-minute video about a linked page, with synthesized voice narration. The author made it for their language learning app, Fable & Astra. The prompt requests a 1-minute length, but the post does not state the final length or aspect ratio.

Prompt

From the author's post

Make a 1-minute educational video about https://t.co/cgU4RNuz2s with synthesized voice narration.

How it was made

The author says the video was made from the prompt above using Claude Opus 5.5 (Extra). A second version used the same prompt with Astra High. The post does not name a rendering or editing tool, the generation time, or the cost.

Tools: Claude Opus

Remix it for your product

Make a 1-minute educational video about [PRODUCT], covering [FEATURES], with synthesized voice narration.

About the product

Fable & Astra

Visit website· readsotto.app

FAQ

What tool made this launch video?

This video was made with Claude Opus.

Can I see the prompt behind this video?

Yes. The full prompt is shown on this page (from the author's post). Credit the original creator if you reuse it.

What kind of product is this video for?

It is a launch video for a saas product.