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Simulation
2 posts about Simulation. Every summary links to the original.
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Gemini 4 Argon for Robotics
Gemini 4 Argon is a new model that achieves a step change in physical understanding, code generation, and visual-semantic reasoning for robotics. It scores 87% on the Embodied Reasoning (ERQA) benchmark using pure reasoning, outperforming other frontier models. The model can be applied across the entire robotics lifecycle, including robot control, Real2Sim reconstruction, physical understanding, and research self-improvement. Examples include controlling a Spot quadruped to practice foot-pedal trash bin disposal in MuJoCo before executing, zero-shot control of a robotic arm, steering a video world model to rearrange Scrabble tiles, reconstructing simulation twins from robot camera feeds or hand-drawn sketches, and reproducing robotics papers as self-contained MuJoCo WebAssembly browser labs with a single prompt. Argon also performs agentic multimodal hindsight labeling for dexterity understanding and dense value functions, and can self-improve by diagnosing failures and optimizing speed, bridging coding, visual perception, physics simulation, and embodied control toward physical AGI.
Powering AI-led research through simulation
Grab built sim-rs, a self-contained simulator that models its fulfillment marketplace to enable rapid experimentation with dispatch strategies. The simulator processes a city-day of marketplace activity in tens of minutes, using historical data and configurable components for batching, allocation, and cancellation. Agents connected through an autoresearch loop propose changes, run reproducible experiments, and receive computed verdicts, with safeguards against specification gaming such as immutable core data and scoped changes. The simulator also supports A/B/n comparisons within a single run, exposing all arms to the same demand and dynamics to improve translation to production. By making each attempt take minutes instead of weeks, sim-rs allows agents to test thousands of ideas cheaply and receive honest feedback, accelerating research while keeping the simulator faithful through automated translation of production logic and behavioral modeling.
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