Complaints about overbilling and running out of control: within hours of release
Changes since then: zero.
At least there was an OpenAI staffer asking for opinions about possible limit parameters here weeks ago, but nothing to try yet.
ChatGPT supports streaming from GPTs, pretty much the same concept as assitants agents. It likely just uses techniques they don’t want exposed, like actually receiving the true token output from the AI for live decision-making.