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ModelDeprecatedProprietaryfamily · Grok

grok-4.20-0309-non-reasoning

xAIdocs.x.ai/developers/models/grok-4.20-0309-non-r

Grok 4.20 is a high-performance model with industry-leading speed and agentic tool calling capabilities. It combines the lowest hallucination rate on the market with strict prompt adherence, delivering consistently precise and truthful responses.

quality76

Updated 3 h ago · first seen 11 Sept 2026

model_01M299WBFFVB1CJG1KQZ98Q8E0

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1M tokens
T1 · 3 h ago

As of

Rewind the record: see this entity's attributes exactly as AI Atlas knew them on a given day.

Claim history · Batch api

1 claims · 1 propertiesShow all properties

Batch apibatch_api1

Claim history for Batch api
ValueValid from → toStatusSourceConfidenceExtractor
YescurrentcurrentxAI — docsT1highdeterministic

Claims are temporal and append-only: a new observation closes the previous claim (valid_to) instead of overwriting it. Conflicting claims from different sources are kept side by side and flagged — never averaged. Methodology →