#DevDay 2026
2 published articles
OpenAI DevDay 2026 brings Ultrafast, a Decisions API preview, Codex cloud and plugin extensions
OpenAI's 29 September recap has 25 launch entries by The Frontier's count. GPT-6.1 Sol and dots have their own articles. This article covers the rest, with prices, plan gates and what developers should change.
OpenAI releases GPT-6.1 Sol on 29 September at $2 input and $10 output with $0.10 cached input
OpenAI says the Sol upgrade nearly matches GPT-6 Astra on coding, computer use and professional work at one-fifth of Astra API token prices. Chat stays closed for now.