The tool is actually quite useless. There's a lot you can do with the oneworld fares that can only be done by a TA.
Here is the most current fare sheet:
https://assets.ctfassets.net/m9ph4qvas97u/5SQCRuQjmJaqzJAxtvgaNF/e12e81253010b67a911c4512b88c97ef/oneworld_Explorer_1July2025.pdf