OpenAI boosts GPT-6 speed by 50% in 28 Days update
OpenAI announced that the first update of its 28‑Day continuous improvement project has increased the default speed of GPT‑6 Astra and GPT‑6.1 Sol by about 50%. The company said users should feel the effect within 2 hours, though the author has not yet verified the claim.
Key points
- OpenAI’s 28‑Day update raises GPT‑6 Astra and GPT‑6.1 Sol speed by about 50%
- Claude Cowork will run in a cloud sandbox from Oct 6th US time
- Google Drive and Docs now support previewing and editing .md files directly
The update also marks a shift for Claude Cowork, which will begin running in a cloud environment from October 6th (US time). Each session will be sandboxed in a virtual workspace, reducing local resource usage and file‑deletion risk.
Other items include Google Drive and Docs adding native Markdown support, Cognition’s Devin gaining a “Dreaming” memory‑graph feature, and a rumored quiet release of Nano Banana 2.1 to Google Flow. The article also notes a 33% drop in Japanese voice‑input errors for Aqua Voice and a new Audible feature that lets users talk to book characters.
Model pages: GPT-6 Astra → · GPT-6.1 Sol →
GPT-6 Astra/6.1 Sol speed up 50%! Claude Cowork moves to cloud execution! Google Drive adds Markdown support! AI news to read in your spare time
note.com · 5 October 2026
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