Index Index is the SOTA open-source browser agent for autonomously executing complex tasks on the web. Powered by reasoning LLMs with vision capabilities. Gemini 2.5 Pro (really fast and accurate) Claude 3.7 Sonnet with extended thinking (reliable and accurate) OpenAI o4-mini (depending on the reasoning effort, provides good balance between speed, cost and accuracy) Gemini 2.5 Flash (really fast, cheap, and good for less complex tasks) pip install lmnr-index and use it in your project index run ...