Claude Opus 5.5 set up in OpenWebUI
These notes record a working session on Claude Opus 5.5 (hereafter O5.5), released in the third week of September 2026. The session began with a question about its new token pricing. It ended with prompt caching configured and confirmed in OpenWebUI. If you don’t know about OpenWebUI and you’re a luddite incapable of learning, kindly ...
