Chi Wang(@Chi_Wang_):OpenAI's Astra adds `async: true` tools that return later under the same `call_id`, while the model keeps working. That makes a follow-up question ordinary I/O, not a global barrier — agent runtimes can schedule "ask the human" instead of pausing the graph.

Chi Wang

@Chi_Wang_

Agentic AI & multi-agent systems. Created AutoGen (now AG2) and FLAML. Ex-@GoogleDeepMind, ex-@MSFTResearch, ex-@Meta. PhD @UofIllinois, BS @Tsinghua_Uni.

Joined June 2023

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Chi Wang@Chi_Wang_

2026.09.04 18:57

OpenAI's Astra adds `async: true` tools that return later under the same `call_id`, while the model keeps working. That makes a follow-up question ordinary I/O, not a global barrier — agent runtimes can schedule "ask the human" instead of pausing the graph.