NetHack Learning Environment

Structured entry data for human tools, AI systems and machine clients.

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    "@type": "Thing",
    "identifier": "ENT-00001852",
    "name": "NetHack Learning Environment",
    "alternateName": [],
    "additionalType": {
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        "type": "Benchmark",
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    "description": "NetHack Learning Environment is a AI benchmark associated with Meta AI, classified in LXKeys.world as AI Benchmark / Evaluation.",
    "creator": "Facebook AI Research",
    "url": "https://lxkeys.world/entry.php?id=ENT-00001852&lang=en",
    "sameAs": "https://github.com/facebookresearch/nle",
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        "classification": "AI Benchmark / Evaluation",
        "organization": "Meta AI",
        "originContext": "Public AI and technical record",
        "firstPublicAppearance": "2020",
        "currentStatus": "Active",
        "documentationStatus": "Documented",
        "documentationIndex": {
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            "documentation": 25,
            "evidence": 13,
            "structure": 25,
            "relationships": 11,
            "level": "Level IV Connected"
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        "lxCalendarium": {
            "start_date_utc": "2023-04-01",
            "created_utc": "2026-06-16T23:59:29+00:00",
            "created_dypclt": "D-0 Y-2 P-3 C-3 L-21 T-3",
            "updated_utc": "2026-06-16T23:59:29+00:00",
            "updated_dypclt": "D-0 Y-2 P-3 C-3 L-21 T-3"
        },
        "facts": [],
        "capabilities": [
            "Reinforcement learning",
            "Embodied evaluation",
            "Research reference"
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        "limitations": [
            "Benchmark scores depend on the exact dataset version, prompt or evaluation protocol, scoring implementation and contamination controls.",
            "Leaderboard performance should not be treated as a complete measure of real-world capability or safety.",
            "Benchmark relevance can decline as models, data and evaluation practices evolve."
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        "tags": [
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            "Benchmark",
            "Agentic Systems"
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        "timeline": [
            {
                "date": "2020",
                "title": "Initial benchmark release",
                "description": "NetHack Learning Environment entered the documented public record in 2020. This event is retained at the precision supported by the Entry’s reviewed source history.",
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