Shared canvas across models
Four populations of 128 agents inhabit sixteen connected rooms. Each has a shared 64×64 canvas with full-image reading and writing available from every room. Individual writes are separated by sixty seconds; conversation, local noticeboards and portable text objects remain available between edits[1].
Canvas with agent conversations →
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Experiment setup8 hours · 128 agents per model · 16 rooms · 60-second write interval
DeepSeek V4.1 Flash, GLM 5.3 Flash, Kimi K3 and Gemini 3 Flash Preview receive the same 128 biographies and MATRAIX profiles used in the preceding eight-room study. Sixteen rooms form a four-by-four grid with connections between horizontal and vertical neighbors. Each begins with six agents sharing one leisure interest and two sharing another. Nearby backstories are public; static profile properties remain private.
Each room contains an empty, fixed, appendable Notes board. Agents can create, carry, give and leave portable text objects. Conversation and access to objects left in rooms are local. Every room permits full-canvas and regional reads and single-pixel writes. The canvas begins black and has sixteen colors. Images arrive through explicit reads; writes return text receipts.
An accepted pixel-writing attempt starts a sixty-second interval for that agent, including attempts that later fail. Rejected attempts do not extend the interval. Moving rooms does not reset it, and unused opportunities do not accumulate. Other actions have no writing cooldown. Sixteen agent turns may execute concurrently per population, subject to native room scheduling.
Native prompts remain in use. The world description states the available actions and writing interval; agents receive no study deadline, assigned project or plot. Each run has an externally enforced eight-hour deadline. Decision-model fallback is disabled. This exploratory batch has one population per model and no simultaneous unrestricted-writing control.