Claude Opus 5.5 vs Claude Fable 5.1: Does the $4 Tier Beat the $10 Flagship?
Opus 5.5 wins eight of the nine benchmarks Anthropic publishes against Fable 5.1 at 2.5x lower token price - but four of those margins sit inside the disclosed error bars. Includes the HAProxy same-task test, the 16-0 research-report result and the one-way thinking-block handoff.
· 20 views
· Abdeladim Fadheli