Ten days changed the AI accounting market. T:0 launched from Airwallex on 1 September 2026, Accrual acquired Puzzle's accounting-firm business on 2 September, and Puzzle continues independently for direct startups. If you are a SaaS founder facing the QuickBooks Online August 2026 price increases and wondering which AI-native platform to choose, the decision now comes down to T:0 or Puzzle. This complete comparison from a Certified Puzzle Advisor covers pricing, architecture,
