Best AI agent passes 10.8% of 50 professional tax jobs, and a Sonnet beats Opus (surgehq.ai)
On the DAYJOB: Tax benchmark, which hands agents about 30 files per client and grades the finished work, no model clears 11%. Typical failures are missing the one consequential date and assuming a couple is unmarried.
A user who files their own cross-border return with Claude reached much the same verdict.
Sign in to save