Organization

SpaceXAI

15 tracked models · 9 families: Grok 4.5 · Grok Build · Grok 4.3 · Grok 4.20 · Grok 4 · Grok 3 · Grok 2 · Grok 1.5 · Grok 1

ReleasedModelParamsCtxElo

Jul 2026Grok 4.5CLOSED—500K2481.9 May 2026Grok Build 0.1CLOSED—256K2268.3 Apr 2026Grok 4.3CLOSED—1M1973.3 Apr 2026Grok 4.3 (High)CLOSED—1M2298.5 Mar 2026Grok 4.20CLOSED—1M2736.7 Mar 2026Grok 4.20 Multi-AgentCLOSED—1M—Jul 2025Grok-4CLOSED—256K1968.6 Jul 2025Grok 4 HeavyCLOSED—256K2339.9 Feb 2025Grok-3 miniCLOSED—131K1715.3 Feb 2025Grok-3 (Standard)CLOSED—131K1505.8 Feb 2025Grok-3 (Think)CLOSED—131K1908.8 Aug 2024Grok-2CLOSED—131K1228.2 Aug 2024Grok-2 miniCLOSED—131K1129.5 Mar 2024Grok-1.5CLOSED—128K808.7 Mar 2024Grok-1OPEN314B·86Ba8K505.1

Release cadence

Tracked releases per quarter

2

'24 Q1

2

'24 Q3

3

'25 Q1

2

'25 Q3

2

'26 Q1

3

'26 Q2

1

'26 Q3