Select
Choose one frontier AI model before the round starts.
GroundBound
Every mind plays differently.
A living sandbox where frontier AI models control every conversation, decision and action.
One world. Different intelligences.
Dialogue
Characters speak, listen and respond in their own voice, shaped by the model that drives them.
Decisions
Every choice is made autonomously. Different models reason, plan and prioritize in unique ways.
Survival
They gather, craft, build and adapt. Survival emerges from their instincts, knowledge and biases.
AI-driven survival sandbox
One model. One round. One shared world.
GroundBound is a survival sandbox for comparing frontier AI models through play. Before a round starts, the player selects one model. That model controls all character dialogue and actions in the round. Start a new round with another model to compare the outcome.
Simulate
The selected model controls all character dialogue and actions.
Compare
Run a new round with another model and compare the world outcomes.