Anthropic cut Claude Fable 5.2's price by a fifth, but still tells most teams to default to the cheaper Opus 5.5
On 9th Nov'26 Anthropic released Claude Fable 5.2, its top general model, and Mythos 5.2, a version without some cyber and biology safeguards that only vetted organisations can use. Fable 5.2 costs $8 per million input tokens and $40 per million output, down from $10 and $50 for Fable 5.1, and it is on the Claude API as claude-fable-5-2 and on AWS, Google Cloud and Azure. Anthropic says it finishes hard tasks in fewer tokens than 5.1 and responds up to 30% faster. When its safety classifiers block a cyber or biology query, Anthropic's own apps answer from an older Opus model instead, and API users get that fallback only if they opt in. The same post recommends Opus 5.5, at $4 and $20, as the default for most coding and knowledge work. Fable 5.1 keeps its old price and has no retirement date.
What it actually means
The price cut matters less than where Fable now sits. At $8 and $40 it still costs twice as much as Opus 5.5, and Anthropic frames Fable as the advisor or orchestrator that plans while a cheaper model does most of the work. If you send every call to Fable today, route only the planning and the hard judgement calls to it and test whether Opus 5.5 holds on the rest.
If you build security or life-science tools, check the fallback setting before you switch. With it off, a blocked query on the API stays blocked; with it on, the answer comes from a different, older model, so log which model answered each request, because a result you trust from Fable may not have come from Fable.
Fable got cheaper, but Anthropic's own advice is to let it plan and let a cheaper model do the work.
20%cut to Claude Fable 5.2's API price
Source: Anthropic · Tuesday, 10 November 2026