Ramp data: Fable 5, launched in June, has plateaued at ~11% of spending on Anthropic tools, as companies shift to cheaper models; Opus 5 surpassed Fable 5 (George Hammond/Financial Times)

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- Fable 5, launched in June, has plateaued at ~11% of spending on Anthropic tools according to Ramp data, as companies shift to cheaper models.
- Opus 5 surpassed Fable 5 in Anthropic tool spending, and the FT describes Fable 5's uptake as 'sluggish demand from corporate clients'.
Why it matters: Within months of a June launch, Fable 5 is stuck at ~11% of Anthropic tool spend while Opus 5 overtakes it — a fast commoditization curve that tells enterprise buyers the newest flagship isn't worth the premium.
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