Capturing photons (optics), electrons (semis), and dollars (investing), TMT/AI/Semis/Optics/EPDA, ๋ฏธ๊ตญ์ธ/็ฑณๅไบบ/Amerikaner, Chicagoan, @uchicago a while ago, DMs open
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.