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Fable 5.2 generates complex piano piece, costs more than Opus 5.5

By PulseAugur Editorial · [1 sources] ·

A user conducted a test comparing Anthropic's Fable 5.2 model against Opus 5.5, evaluating their ability to generate original piano compositions. Fable 5.2 produced a piece titled "Riptide" in B-flat minor, which involved 759 notes and took 47 minutes to generate, costing $13.30. In comparison, Opus 5.5 generated a piece with 651 notes in 45 minutes, costing $7.20. The user noted that Fable 5.2 generated the MIDI directly using Python, without any audio input. AI

IMPACT Demonstrates AI's growing creative capabilities in music generation, highlighting differences in cost and complexity between models.

RANK_REASON User-driven benchmark of an AI model's creative output. [lever_c_demoted from research: ic=1 ai=1.0]

Read on r/ClaudeAI →

AI-generated summary · Google Gemini · from 1 sources. How we write summaries →

Fable 5.2 generates complex piano piece, costs more than Opus 5.5

How we ranked this

Signal score
5 / 100
Composite score across the factors below. Higher = stronger signal that this story matters right now.
Newsworthiness bucket
Tool
User-driven benchmark of an AI model's creative output. [lever_c_demoted from research: ic=1 ai=1.0]
Source corroboration
Single-source cluster
Only one publisher covered this so far. Single-source stories can still rank when the publisher is high-authority, but they lack cross-source corroboration.
Topics
model release, product
Editorial topic classification. Feeds into how the story surfaces on /topic/<slug> hub pages and into the per-entity coverage mix.
AI-industry relevance
High
Clearly on-topic for AI-industry coverage.
Story freshness
Breaking (< 6h)
Fresh story with cross-source coverage still developing. Ranking may shift as more sources report.

Full methodology in our editorial standards.

COVERAGE [1]

  1. r/ClaudeAI TIER_2 English(EN) · /u/oh-keh ·

    Piano Test on Fable 5.2!

    <table> <tr><td> <a href="https://www.reddit.com/r/ClaudeAI/comments/1xso2be/piano_test_on_fable_52/"> <img alt="Piano Test on Fable 5.2!" src="https://external-preview.redd.it/eW1jczQwcmtuczBpMXbYjgVtu8QeEqGRJ90Jf-oLagOwdiyOx6ibOQtjBLr-.png?width=640&amp;crop=smart&amp;auto=webp…

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