The Stack
The Stack — September 30, 2026
16:19
Daily IT Briefing
AI & Machine Learning
OpenAI's DevDay product blitz — and a safety-driven model swap. The headline is GPT-6.1 Sol, positioned as nearly matching the more powerful GPT-6 Astra on agentic coding, computer use, and professional tasks at roughly one-fifth the token price. The notable part: OpenAI scrapped the planned GPT-6.1 Astra release over internal safety concerns, reportedly…