OpenAI dropped 20 updates at Dev Day, and the most significant is Dot: a named personal AI agent running on its own virtual computer, capable of operating through email, calendar, Slack, and phone calls autonomously.
The new GPT-6.1 Sol model is roughly 5x cheaper than Astra, which matters for developers building at scale. Ultra Fast mode and GPT Space also shipped, alongside a $500 per month Pro plan that signals where OpenAI thinks the ceiling for serious users sits.
The reason to watch the full video is not just the headline features. Riley Brown walks through all 20 updates individually, so you can identify which ones affect your specific stack, whether that is Codex, ChatGPT, or API integrations you already have in production.
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