Fable 5.2

Fable 5.2 is available on all paid plans and generates output up to 30% faster than Fable 5.1. API prices are $8 per million input tokens and $40 per million output tokens.

Anthropic says Fable 5.2 designed three devices, including their circuit boards, enclosures and software. All three reportedly worked without modifications after manufacturing.

Fable 5.2 leads GDPx at 16.4%, with gains concentrated in chip design and software engineering. SemiAnalysis reports average task costs rose 31% over Fable 5.1.

Theo's request logs suggest a $200 Ultra plan provides about $3,000 in API-equivalent Fable 5.2 usage versus $15,000 for Opus. He also reports Fable is capped at half the weekly allowance.