Industry
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)
George Hammond / Financial Times: 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 — AI lab's
George Hammond / Financial Times: 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 — AI lab's Fable 5 has met with sluggish demand from corporate clients — Anthropic's US customers are using cheaper alternatives …
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- Letter: the US says Anthropic 'agreed to proactively detect and address security risks' of Fable 5 and Mythos 5; a source says Anthropic developed a 'safeguard' (Financial Times)
- Anthropic says the models that breached three companies include Opus 4.7, Mythos 5, and an unnamed research model, and the earliest incidents date back to April (Robert McMillan/Wall Street Journal)
Source: Techmeme | 2026-08-23