Basis completes a tax workbook 2x faster with GPT-6 Astra

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GPT‑6 Astra took 50% less time to finish complex tasks vs. GPT‑5.6 Sol and showed a deeper understanding of user intent.

Less time to complete a 50-tab tax workbook vs. Sol in Basis’s test.

Basis⁠ builds AI agents to automate much of the manual work that accountants do each day, helping them shift their time from repetitive tasks to strategic work. The company’s research focuses on agents that can reliably complete long tasks, and with GPT‑6 Astra, it’s seeing a stronger understanding of what accountants want to accomplish.

Basis compared GPT‑6 Astra and GPT‑5.6 Sol on a complicated tax