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Claude Fable 5.2 Music in Code Prompts

145 things people made with Claude Fable 5.2 in its first week, from Blender films and Three.js scenes to games, fight animations, music and paintings, each credited to its creator and linked to the original post, with the prompt where the creator published one. Fable 5.2 does not draw pixels: every piece here was rendered from code it wrote.

← All 145 Claude Fable 5.2 prompts

Last updated: · Claude Fable 5.2 API — pricing & playground · API docs

TL;DR

Claude Fable 5.2 (model id claude-fable-5-2, released by Anthropic on 9 November 2026) is a language model: it takes text and images and returns text, with a 1M-token context window and up to 128K output tokens. It does not render pixels or synthesise sound by itself. Every film, game, song and painting on this page came from code it wrote, such as Blender Python, Three.js and raw WebGL, Canvas, Web Audio, numpy or LilyPond, which an agent like Claude Code ran, rendered and usually encoded with FFmpeg. Many of the best-known results started from one or two sentences, but the runs behind them were long: the pelican film wrote about 4,800 lines of Python in a session of about 1.1M output tokens, and the FPS level ran for 8 hours at about $550 by its author's account. The 145 cases were posted on X between 4 and 11 November 2026; the few posted before 9 November are pre-release tests their authors labelled "Fable 5.5". 38 cases have the prompt as the creator published it (9 long briefs are excerpted, with our outline), 20 have only the creator's one-line request, and 87 were never published. On apimodels.app, Fable 5.2 costs $4.80 per 1M input tokens and $24 per 1M output tokens, against Anthropic's $8 / $40 list.

Source: Anthropic · Claude Fable 5.2 (the model vendor’s official site)

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Original symphony with a matching video

Summary

Only the creator's request is public, not a full prompt: "给我写一首原创交响乐,做到你能做的最好,再配一个最好的视频"

What it is:
An original symphony with a video made to go with it, 248 seconds long.
Clip:
Video, 248 s. About 142K views and 1,050 likes as of 11 November 2026.
Note:
This prompt is a Chinese paraphrase by @anightmonarch, not the English original.
video by @imjustnewataiSource
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Inventing a new musical form

Summary

Only the creator's request is public, not a full prompt: "invent a new musical form"

What it is:
The request was simply to invent a new musical form.
Clip:
Video, 128 s. About 132K views and 2,084 likes as of 11 November 2026.
Note:
The post only gives a summary of the request.
video by @imjustnewataiSource
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Original Vocaloid love song featuring Teto

Summary

Only the creator's request is public, not a full prompt: "compose a Vocaloid love song featuring Teto"

What it is:
An original love song for Teto (Vocaloid).
Clip:
Video, 24 s. About 386K views and 1,732 likes as of 11 November 2026.
Note:
The post only gives a summary of the request.
video by @peach2k2Source
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Bach-style 4-part chorale written in LilyPond

Prompt: “In LilyPond (version 2.24), write a 4-part chorale in the style of Bach, 3/4 time, G minor. Use two staves -- soprano and alto on the top staff, tenor and bass on the bottom staff. Respond with only the code block.” (Extra High effort)

What it is:
A 4-part chorale in the style of Bach, written in LilyPond at the Extra High effort level.
Clip:
Video, 45 s. About 67K views and 867 likes as of 11 November 2026.
Note:
See also the Chinese repost at x.com/slashui/status/2119936681231237348.
Prompt source:
https://x.com/aug5thmusic/status/2119879973318414392
by @aug5thmusicSource
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Composition from a carefully written prompt during the trial

Prompt not published

No prompt published. A piece of music the author made during the trial period with a carefully written prompt (in Japanese, 92 seconds).

Clip:
Video, 92 s. About 145 views and 3 likes as of 11 November 2026.
Note:
The author says they put real care into the prompt but did not publish it.
video by @GrayCan1392Source
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Painting and music generated together in Python

Prompt not published

No prompt published. Python code that writes a painting (8,584 strokes) and its music at the same time.

Clip:
Video, 17 s. About 3,425 views and 33 likes as of 11 November 2026.
video by @wquguruSource
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Acid techno track made with Fable

Prompt not published

No prompt published. An acid techno track.

Clip:
Video, 10 s + 3 images. About 2,407 views and 60 likes as of 11 November 2026.
video by @Masimo_BlueSource

Trailer score for a small boat game from CC0 samples

Prompt not published

No prompt published. Music for the trailer of a small boat game, arranged from CC0 samples.

Clip:
Text reply. About 2,776 views and 14 likes as of 11 November 2026.
Watch on X
video by @kevin_t_ngoSource
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Music composed in code, with a write-up of the process

Prompt not published

No prompt published. Music composed in code; the process is written up at note.com/7bandel/n/nb3cd38b46060.

Clip:
Video, 38 s. About 38 views and 2 likes as of 11 November 2026.
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Big-studio explainer on what happens when you click a link

Summary

Only the creator's request is public, not a full prompt: "big studio"

What it is:
A "big studio"-style explainer on what happens when you click a link, with the animation, score and voiceover mix all done in code.
Clip:
Video, 30 s. About 57 views and 0 likes as of 11 November 2026.
Note:
The post only gives a summary of the request.
video by @MojojojoHojoSource
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Outlandish real research paper recreated as a short video

実在するぶっ飛んだ論文を1本選んで、コードで再現してショート動画にして

What it is:
Pick a real and outlandish research paper, then recreate it in code as a short video with a soundtrack (prompt in Japanese).
Clip:
Video, 40 s. About 102 views and 0 likes as of 11 November 2026.
by @ronginoothSource
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Web Audio turntable with visuals and sound

Prompt not published

No prompt published. A vinyl record player built on Web Audio, with both visuals and sound.

Clip:
Video, 57 s. About 30 views and 0 likes as of 11 November 2026.
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Left to choose its own tools, it built Web Audio bells

Summary

Only the creator's request is public, not a full prompt: "choose its own tools and build something for me"

What it is:
Told to choose its own tools and build something, it made bell sounds with Web Audio.
Clip:
Video, 13 s. About 169 views and 2 likes as of 11 November 2026.
Note:
The post only gives a summary of the request.
video by @MaaaaaaadiiiSource
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Formant synthesizer from Higgsfield

Prompt not published

No prompt published. From Higgsfield: a formant synthesizer.

Clip:
Video, 14 s. About 12K views and 84 likes as of 11 November 2026.
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Getting Fable to sing through code

Prompt not published

No prompt published. From Higgsfield: getting Fable to "sing" using code.

Clip:
Video, 50 s. About 13K views and 87 likes as of 11 November 2026.
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Sound design in Blender and Reaper from iPhone recordings

Prompt not published

No prompt published. Blender plus Reaper: the author recorded source audio on an iPhone and handed it to Fable for the sound design.

Clip:
Video, 10 s. About 77K views and 230 likes as of 11 November 2026.
video by @AmirMushichSource
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Former film composer's ambient music workstation with a co-writing agent

Prompt not published

No prompt published. A former film composer used Fable 5.2 to build their own ambient music workstation, complete with an agent that composes alongside them. This is a Chinese retelling; the original video runs 1,335 seconds.

Clip:
Video, 1335 s. About 1,361 views and 5 likes as of 11 November 2026.
video by @FinanceYF5Source
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Music video for a song with lyrics

Prompt not published

No prompt published. A music video for a song with lyrics.

Clip:
Video, 37 s. About 8,415 views and 196 likes as of 11 November 2026.
video by @WesRothSource

How to write great Claude Fable 5.2 prompts

  1. 1Say what done looks like, then let it take the time. The pelican prompt is three sentences, but it names the deliverable (a finished video file), the bar (believable anatomy, a drivetrain that works, real-world lighting) and gives explicit permission to work long: "Take the time it needs."
  2. 2Pin the design with numbers, not adjectives. The anime locomotive brief gives lengths in metres, a 120-frame transformation in five 24-frame stages and a 144 bpm music grid. The zombie eagle brief sets a triangle budget, texture sizes and a file-size limit. Numbers give the model something to check its own work against.
  3. 3Make every frame a function of time. For browser work, ask for one self-contained page that exposes window.renderAt(t), as the voxel Paris brief does, so a headless browser can capture any frame on demand at a steady frame rate. In Blender the equivalent is a script that sets every state per frame; the anime brief calls it a story clock.
  4. 4Make it check its own renders before the expensive one. The strongest briefs end with checks: render six key frames and review them (the zombie hand), test every frame for parts passing through each other or wheels slipping (the anime short), look at stills from both sides of every cut (the robot night market). Fable 5.2 reads images, so the review loop runs on stills.
  5. 5Put stops and a cost gate in front of anything paid. The robot night-market brief stops twice for approval; the zombie hand brief makes it quote the cloud GPU job, with expected and maximum credits, and wait for a yes. Reported spends on this page run from $5.75 of rented GPU time for a 4K Blender render to about $550 for an 8-hour game build.
  6. 6Give it a reason or a persona when the task is open. The most-liked painting post here had the model invent a painter persona before it painted, and another creator asked it to paint what it feels like to be the model. One-liners can travel too: "invent a new musical form" drew about 132K views.
  7. 7Choose the effort level on purpose. Creators here report medium (an open-source trailer), High (a lighthouse scene) and Extra High (a Bach chorale in LilyPond). On the API Fable 5.2 defaults to high effort; Claude Code and the Claude apps default to medium, per Anthropic's launch post. Raise it for long one-shot builds, keep medium for small fixes.

Prompt formula

Creative coding brief = the deliverable and its format (an MP4 at a set size and frame rate, or one self-contained page) + the design pinned in numbers (sizes, frame counts, tempo, budgets) + a build contract (renderAt(t) or a per-frame state, which renderer) + self-checks on stills before the final render + stops and a cost gate before anything paid + permission to take the time it needs

Example (our template, not a creator's prompt): Make a 20-second Blender shot at 1280x720 and 24 fps: a lighthouse on a rock at dusk, waves breaking, the beam sweeping through the spray, a slow push-in. Build everything in Python from an empty scene and compute every keyframe from the frame number. Render 4 preview frames at 25% size, look at them and list what is wrong before each change. Before the final render, tell me the seconds per frame and the total time, and wait for my OK. Deliver one H.264 MP4. Take the time it needs.

Frequently asked questions

Can Claude Fable 5.2 make a video, a song or a painting by itself?

Not directly. Fable 5.2 takes text and image input and returns text. Every piece on this page was rendered from code it wrote: Blender Python rendered by Blender, Three.js or WebGL pages captured by a headless browser, Web Audio or numpy for sound, canvas stroke engines for paintings, and FFmpeg to encode the result. In a chat window you get code or an HTML page you can open; to get an MP4 you need an agent that can run commands, such as Claude Code.

Did these really come from one prompt?

Some did. The FPS level, the pelican film and the browser Minecraft clone started from one or two sentences. But one prompt rarely means one quick reply: reported run times range from about 20 minutes to 8 hours, one open-world game was built over 7 days, and several creators added follow-up messages. Other cases ran on briefs of about 6,000 to 9,400 characters. Every card says whether the text is the creator's prompt, an excerpt of it, only their one-line request, or unpublished.

How much did these cost?

As the creators reported them: $7.48 and $8.43 for the two pixel-art switches, $21 for the Stonehenge scene, $22.62 for a Swiss lake painting, $34.96 for a 2,000-line Three.js short, and about $550 for the 8-hour FPS level. A 4K Blender render on 10 rented GPUs cost $5.75 in GPU time. This kind of work is output-heavy: the pelican run wrote about 1.1M output tokens, which is about $26 of output on apimodels.app at $24 per 1M, or about $44 at Anthropic's $40 list price.

What do I need installed to make one?

An agent that can run commands (Claude Code or similar) pointed at Fable 5.2; Node.js with Playwright and FFmpeg for anything rendered in a browser; Blender 5.x for the Blender cases, plus the Blender MCP add-on for the cases that used it. A GPU helps for Cycles, but EEVEE runs on a laptop: our own starter script renders 72 frames at 1280x720 in 77 seconds on an Apple M4. Music cases use Web Audio in the browser, numpy or LilyPond.

Which effort level should I use?

Fable 5.2 defaults to high effort on the API; Claude Code and the Claude apps default to medium. Raise it for long one-shot builds where a failed run costs more than the extra tokens, and keep medium for small fixes and iterations. Creators on this page used medium, High and Extra High.

How do I run Claude Fable 5.2 through apimodels.app?

Set ANTHROPIC_BASE_URL=https://api.apimodels.app, your apimodels.app key in ANTHROPIC_AUTH_TOKEN and ANTHROPIC_MODEL=claude-fable-5-2, and Claude Code runs on Fable 5.2; the same key works on /v1/messages and the OpenAI-compatible /v1/chat/completions. If the primary upstream errors, requests switch to a second channel automatically, and failed requests are not billed. It is billed per token: $4.80 per 1M input, $24 per 1M output and $0.12 per 1M cache reads, with no subscription.

Can I reuse these prompts and videos?

The works belong to their creators. Clips from X play straight from X's own servers, every card links to the original post, and we do not host or re-upload any of them. Published prompts are quoted with credit and a link: in full when short, excerpted when long, and never filled in when unpublished. Check the original post before using a prompt commercially. If you made one of these and want the card removed or the credit corrected, email us.

Run these prompts on apimodels.app

Claude Fable 5.2 is live here alongside 160+ other image, video, audio and language models — one API, one key, pay as you go, with $0.10 of trial credit on sign-up.

This library is open source on GitHub

The whole collection is on GitHub as Markdown and JSON: all 145 cases with credits and links to the original posts, our outlines of the long briefs, and two starter scripts we ran ourselves (Blender and Three.js). The videos and images stay with their creators and are linked, not re-hosted. Prompts up to 400 characters are quoted in full; longer ones are excerpted, and unpublished ones are left out. Our own write-ups, outlines and code are licensed CC BY 4.0. Open an issue to add a case or correct a credit.

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