Cognition’s SWE-1.7 Lightning is being used for rapid design iteration and live production fixes
silasalberti · x · 2026-07-23
The post says SWE-1.7 Lightning is currently the best model for design work if you know how to use it. The author describes a workflow where you generate six iterations in a playground repo in two minutes, feed back changes, and repeat quickly. For polish, you can chat with it while it fixes production issues in real time and sends screenshots. For day-to-day quality work, the model can take fixes from Slack and ask for a screenshot before merge. The poster also says designers and front-end engineers are underestimating Cognition’s cloud plus fast model stack.
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