# OpenAI says GPT-6 Astra finished a 50-tab tax workbook twice as fast as GPT-5.6 Sol

> OpenAI published a case study saying Basis's GPT-6 Astra completed a 50-tab tax workbook twice as fast as GPT-5.6 Sol, citing stronger intent understanding; it's a vendor claim, not an independent benchmark.

- **Topic**: Models
- **Published**: 2026-10-02T00:15:34.483Z
- **Canonical URL**: https://highsignal.sh/stories/openai-says-gpt-6-astra-finished-a-50-tab-tax-workbook-twice-as-fast-as-gpt-5-a6115abc

## Why It Matters

A vendor-reported speed comparison on real tax work is a concrete enterprise-usage claim, but it arrives the same day a rival frontier model, Gemini 4 Argon, was introduced — so the numbers remain OpenAI's own and aren't comparable across labs until outside testing appears.

## Primary Sources & Citations

- [Basis completes a tax workbook 2x faster with GPT-6 Astra](https://openai.com/index/basis-tax-workbook-with-astra) — *OpenAI News* (Primary source)

---

[← Back to Headlines](https://highsignal.sh/)