Claude Opus 5.5 is here.

It performs as well as the Claude Fable 5.1 on most tasks and costs 40% less to run than the Opus 5. Look at this mosaic consisting of 13,081 tiles, all drawn and animated in code by Opus 5.5, without using any image files.

AI少年Sep 225

Opus 5.5 is way cheaper compared to Opus 5

We are getting a banked reset from Claude and increase of 5 hour limit. we are so back

AsmitSep 22

21/ Opus 5.5 (high)

A big step forward compared to Opus 5! aug5thmusic love to hear your verdict :-)

Bert SlagterSep 22

Did my first test with Opus 5.5 and overall I’m pretty satisfied with the result, especially since I didn’t even specify much detail in the prompt.

Great work. That said, even with the increased 5-hour limits, it burns through usage way too fast.

AzazideSep 22