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AI Atlas
Familyroot · Grok

first seen 11 Sept 2026

family_01M2A55V0BD42847DFJCKAVYX7

Models
4
First release
31 Mar 2026
Latest release
31 Mar 2026
Parameters
Artifacts
0
Providers
1

Releases

Family releases by statusActiveDeprecatedOct 25Nov 25Dec 25Jan 26Feb 26Mar 26Apr 26May 26Jun 26Jul 26Aug 26Sept 26Grok 4.20 — 31 Mar 2026Grok 4.20 Multi-Agent — 31 Mar 2026

2 dated releases · dot size = best benchmark rank of the member · 2 members without a sourced release date not shown

Members 4

Family members
ModelParamsContextOpennessLicenceReleasedStatusBest rankCompare
Grok 4.20xAI1MClosed31 Mar 2026Deprecated#5 IFBench
Grok 4.20 Multi-AgentxAI1M31 Mar 2026Active
grok-4-20-0309SpaceXAI2MClosedDeprecated#2 IFBench
grok-4.20-0309-non-reasoningxAI1MClosedDeprecated#88 Humanity's Last Exam

Lineage among members 0 relations

Open in Graph →

No lineage relation recorded among these members.

Benchmark progress

Benchmark progress needs at least two dated members with a rank on the same benchmark. Ranks (not scores) are what the family endpoint provides.

Aggregates are computed from the members' sourced claims; members without a release date or parameter count are left out of the range and timeline rather than guessed. Methodology →