Show HN: Index – new SOTA Open Source browser agent

Hey HN, Robert from Laminar (lmnr.ai) here.

We built Index - new SOTA Open Source browser agent.

It reached 92% on WebVoyager with Claude 3.7 (extended thinking). o1 was used as a judge, also we manually double checked the judge.

At the core is same old idea - run simple JS script in the browser to identify interactable elements -> draw bounding boxes around them on a screenshot of a browser window -> feed it to the LLM.

What made Index so good:

1. We essentially created browser ag


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