Structured entry data for human tools, AI systems and machine clients.
{
"@context": [
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{
"lxw": "https://lxkeys.world/schema/"
}
],
"@type": "Thing",
"identifier": "ENT-00000793",
"name": "FastChat",
"alternateName": [],
"additionalType": {
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"type": "AI Framework",
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},
"description": "FastChat is a AI software framework associated with LMSYS, classified in LXKeys.world as AI / ML Framework.",
"creator": "LMSYS",
"url": "https://lxkeys.world/entry.php?id=ENT-00000793&lang=en",
"sameAs": "https://github.com/lm-sys/FastChat",
"image": "",
"lxkeysWorld": {
"worldId": "ENT-00000793",
"kind": "Frameworks and Software",
"type": "AI Framework",
"subtype": "",
"classification": "AI / ML Framework",
"organization": "LMSYS",
"originContext": "Open model development and evaluation",
"firstPublicAppearance": "2023",
"currentStatus": "Active",
"documentationStatus": "Documented",
"documentationIndex": {
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"documentation": 25,
"evidence": 13,
"structure": 25,
"relationships": 19,
"level": "Level V Persistent"
},
"lxCalendarium": {
"start_date_utc": "2023-04-01",
"created_utc": "2026-06-16T23:59:02+00:00",
"created_dypclt": "D-0 Y-2 P-3 C-3 L-21 T-3",
"updated_utc": "2026-06-16T23:59:02+00:00",
"updated_dypclt": "D-0 Y-2 P-3 C-3 L-21 T-3"
},
"facts": [],
"capabilities": [
"Language or multimodal model capability",
"API or deployment integration",
"Reasoning, generation or representation learning",
"Model-family relationship mapping"
],
"limitations": [
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"Operational details may differ across hosted APIs, open releases or downstream integrations."
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"tags": [
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"Foundation Model",
"Documented AI"
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"timeline": [
{
"date": "2023",
"title": "Initial public software release",
"description": "FastChat entered the documented public record in 2023. This event is retained at the precision supported by the Entry’s reviewed source history.",
"source_url": "https://github.com/lm-sys/FastChat",
"verification_status": "source_backed_curated_baseline"
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"label": "FastChat official reference",
"url": "https://github.com/lm-sys/FastChat",
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"verification_status": "verified",
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}