OpenAI’s recent releases have given developers more options for using AI in software. At its 2026 DevDay, the company introduced new models, tools, and agents that raise practical questions about cost, speed, safety, and how teams keep up. On September 29, OpenAI held its fourth annual DevDay near its San Francisco headquarters. The company listed more than 20 major announcements across ChatGPT, Codex, its models, and developer APIs. Among them were GPT-6.1 Sol and a faster Ultrafast tier for GPT-6 Astra ; Ultrafast support for Sol followed on October 8. The announcements included OpenAI dots...

Source: The New Stack