Top 10 Best AI Tax Software of 2026

TurboTax is a premier AI-enhanced tax preparation software from Intuit that simplifies U.S. federal and state tax filing for individuals, freelancers, and businesses. It uses artificial intelligence to provide a conversational interview process, automatically import financial data, detect deductions, and perform real-time error checks for maximum accuracy. With options for self-guided filing, AI-assisted reviews, or live expert consultations, it handles everything from simple W-2 returns to complex self-employment scenarios.

H&R Block's online tax software provides a robust platform for preparing and filing federal and state tax returns, incorporating AI Tax Assist for conversational guidance on complex tax topics. It supports a wide range of tax situations including self-employment, investments, and rentals, with features like automatic import of prior-year data and W-2s. The software emphasizes accuracy with a maximum refund guarantee and offers add-on services like Tax Pro Review for professional oversight.

Keeper Tax is an AI-powered tax platform tailored for freelancers, gig workers, and self-employed individuals, automating expense tracking and deduction discovery. It connects directly to bank accounts and payment processors to scan transactions, categorize expenses, and identify overlooked deductions using machine learning. The software also offers tax filing through partnered CPAs, helping users maximize refunds while ensuring compliance with IRS rules.

FlyFin is an AI-powered tax platform tailored for freelancers, gig workers, and self-employed individuals, automating expense tracking and deduction discovery. It connects to bank accounts and scans transactions to categorize expenses, identify overlooked deductions, and estimate quarterly tax payments. The tool simplifies Schedule C filing by maximizing refunds through AI analysis and offers on-demand CPA support for complex queries.

Hurdlr is an AI-powered expense and mileage tracking app tailored for freelancers, self-employed professionals, and small businesses. It automatically categorizes expenses using machine learning, tracks mileage via GPS, and provides real-time tax estimates with deduction optimization. The platform also handles invoicing, income tracking, and integrations with bank accounts for seamless US tax preparation support.

Blue J is an AI-powered tax intelligence platform designed for tax professionals, leveraging machine learning trained on millions of anonymized tax returns to deliver predictive outcomes, authoritative citations, and clear explanations. It helps users forecast tax results, streamline research, and support planning with tools like Blue J Predict, Cite, and Explain. Primarily focused on U.S. federal and state taxes, it integrates with popular tax software to enhance accuracy and efficiency in complex scenarios.

Avalara is a cloud-based tax compliance platform that automates sales and use tax calculations, returns filing, and remittance for businesses worldwide. It leverages AI and machine learning for accurate real-time tax rate lookups, nexus monitoring, and exemption certificate management. With over 1,200 integrations, it streamlines tax processes across e-commerce, ERP, and accounting systems, reducing compliance risks.

Vertex provides enterprise-grade cloud-based tax technology solutions focused on indirect taxes like sales, use, VAT, and customs duties. It leverages AI and machine learning for automated tax determination, exemption certificate management, invoice anomaly detection, and global compliance across 19,000+ jurisdictions. The platform integrates deeply with ERP systems such as SAP and Oracle, enabling real-time tax calculations at the transaction level for multinational corporations.

Sovos is an enterprise-grade tax compliance platform that uses AI to automate indirect tax processes like sales tax, VAT determination, e-invoicing, and global filing. It integrates with ERP systems for real-time tax calculations and leverages AI for anomaly detection, risk scoring, and compliance monitoring across 190+ countries. While powerful for complex multinational operations, it focuses primarily on B2B indirect taxes rather than personal or direct tax filing.

Thomson Reuters ONESOURCE is an enterprise-grade tax management platform that incorporates AI for global compliance, indirect tax determination, and document processing. It uses machine learning for automated data classification, anomaly detection, and predictive tax insights across direct and indirect taxes. Designed for complex multinational operations, it integrates with ERP systems to streamline reporting and transfer pricing.