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Review regressions before expanding the test." ], "measure": "Successful outcomes, response time, human rework, and total cost per successful task.", "decision": "Keep the change only if it meets your preselected quality and latency limits and improves the metric you care about after setup and operating costs. Otherwise retain the baseline. This is an exploration plan, not a validated recommendation." }, "builder_review": null, "arxiv_id": "2609.39601", "title": "GroundingPI: A Grounding Foundation Model towards Physical Intelligence with Visual Primitives", "summary": "GroundingPI replaces general-purpose vision-language and video-generation backbones inside VLA and world-action pipelines with a 4B model pretrained specifically to emit points and boxes as quantized coordinates. 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