# Co-Design Bench: Multimodal Collaborative Coding Evaluation for Agentic Models > Source: > Published: 2026-10-30 04:00:04+00:00 Evaluating human-AI co-design requires testing whether coding agents can translate real users' multimodal requests into working application revisions. We introduce Co-Design Bench, a reference-free benchmark of 273 tasks curated from 37,463 deduplicated queries across 26,314 real user coding session