Merge branch 'docs/adding-benchmarks-guide' into refactor/benchmark-dispatch

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Pepijn
2026-04-03 13:56:49 +02:00
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Meta-World is an open-source simulation benchmark for **multi-task and meta reinforcement learning** in continuous-control robotic manipulation. It bundles 50 diverse manipulation tasks using everyday objects and a common tabletop Sawyer arm, providing a standardized playground to test whether algorithms can learn many different tasks and generalize quickly to new ones.
- Paper: [Meta-World+: An Improved, Standardized, RL Benchmark](https://arxiv.org/abs/1910.10897)
- Paper: [Meta-World: A Benchmark and Evaluation for Multi-Task and Meta Reinforcement Learning paper](https://arxiv.org/abs/1910.10897)
- GitHub: [Farama-Foundation/Metaworld](https://github.com/Farama-Foundation/Metaworld)
- Project website: [metaworld.farama.org](https://metaworld.farama.org)
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Meta-World provides 50 tasks organized into difficulty groups. In LeRobot, you can evaluate on individual tasks, difficulty groups, or the full MT50 suite:
| Group | CLI name | Tasks | Description |
| ---------- | -------------------- | ------ | ------------------------------------------------------ |
| Easy | `easy` | Subset | Tasks with simple dynamics and single-step goals |
| Medium | `medium` | Subset | Tasks requiring multi-step reasoning |
| Hard | `hard` | Subset | Tasks with complex contacts and precise manipulation |
| Very Hard | `very_hard` | Subset | The most challenging tasks in the suite |
| MT50 (all) | Comma-separated list | 50 | All 50 tasks — the most challenging multi-task setting |
| Group | CLI name | Tasks | Description |
| ---------- | -------------------- | ----- | ------------------------------------------------------ |
| Easy | `easy` | 28 | Tasks with simple dynamics and single-step goals |
| Medium | `medium` | 11 | Tasks requiring multi-step reasoning |
| Hard | `hard` | 6 | Tasks with complex contacts and precise manipulation |
| Very Hard | `very_hard` | 5 | The most challenging tasks in the suite |
| MT50 (all) | Comma-separated list | 50 | All 50 tasks — the most challenging multi-task setting |
You can also pass individual task names directly (e.g., `assembly-v3`, `dial-turn-v3`).