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DexReplay

DexReplay turns curated episodes into replayable scenarios for training, evaluation, and Real2Sim work. Models can re-experience the same physical interactions across seeds and configurations, with clean separation between observations, actions, and outcomes.

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DexReplay visual
Image: Wikimedia Commons

Capabilities

What it does.

  • Deterministic replay across vision, motion, and language streams
  • Scenario sampling with configurable difficulty and coverage
  • Counterfactual replays for ablation and evaluation
  • Real2Sim asset export for downstream simulators
  • Coverage and gap analysis with Claude-generated explanations

Spec sheet

At a glance.

Runtime
Container-based, runs on Amazon ECS or EKS
Asset format
USD, glTF, MCAP
Licensing
Per-seat or per-project
Integrations
Isaac Sim, MuJoCo, custom engines
Determinism
Bit-identical replay across runs

Open ecosystem

Comparable products and references.

We build in the open. Where third-party products and benchmarks cover similar ground, we link them so teams can compare directly.

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