How useful is Claude’s latest Fable 5 model for crypto traders? This is the first desk-graded test of Claude for crypto price calls, and the scorecard cuts both ways.

BeInCrypto analysts ran Anthropic’s newest model at its maximum effort setting. For each coin, it had to name one key metric, a price floor, a year-end range, and a trigger that would prove it wrong.

The desk then graded every claim against live data and prediction market odds.

Bitcoin Test Finds the Right Signal but the Wrong Size

Fable’s Bitcoin bull case rests on long-term holders, the investors who keep coins for over 155 days. The model said selling stopped in November 2025, and buying has…