AI Dev Weekly is a Thursday series where I cover the week's most important AI developer news, with my take as someone who actually uses these tools daily.
Four different layers of the agent stack changed this week. OpenAI introduced GPT-6 Astra for the hardest tool-rich work. Google made its Kotlin agent framework production-ready. GitHub gave enterprise administrators permissions that local settings cannot weaken. And NVIDIA released a local inference router that spreads independent agent calls across computers you already own.
1. GPT-6 Astra raises the ceiling and the bill
OpenAI introduced GPT-6 Astra as its highest-capability model for complex reasoning, coding, computer use, research, and document creation. The API model ID is gpt-6-astra, with a 1,050,000-token context window, 128,000 maximum output tokens, and low through max reasoning levels.
The official model guide adds three API capabilities that matter more than another benchmark table:
