Tax AI

Self-improving tax-preparation AI for accounting firms

AI-assisted tax-preparation system for accounting firms that uses reviewer corrections to improve tax-return processing workflows.

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newsPRIMARY2026-05-27

Tax AI reports 97% accuracy across 7,000 returns at 30+ accounting firms

OpenAI and Thrive described Tax AI, a self-improving tax-prep system used across 30+ firms that processed 7,000 returns and reached up to 97% accuracy. The loop turns accountant corrections into eval targets and narrow Codex fixes, showing a concrete path to vertical agents that improve after deployment.