BRO WHAT?!
> #1# on the Intelligence Index
> +5 freaking points higher than Astra
> AND it costs ~40% less to run than Opus 5.
> tested by METR
this is their first model since calling for “pacing” the frontier.
Introducing Claude Opus 5.5, the first model in our new Claude 5.5 family.
It performs at the level of Claude Fable 5.1 for most tasks, and costs 40% less to run than Opus 5.