XA

xAI

Model organization

xAI develops the Grok family of models for reasoning, conversation, and multimodal use cases.

Reasoning, Conversation, Multimodal AI

Families: 3
Models: 13
Providers: 21
Latest release: 2026-10-14

Model families


Grok	10	2026-09-21	Active
Grok Voice	2	2026-10-14	Active
Grok Build	1	2026-04-16	Active

Models

13 of 13 model versions

	Family			Max output	Input type	Output type	Reasoning	Tool call	Structured	Temperature	Weights
Grok Voice 3.0	Grok Voice	-	-	-			Yes	Yes	-No	-No	—	-	-	-	-	2026-10-14
Grok 4.7	Grok	1	500K	500K			Yes	Yes	Yes	Yes	Closed				-	2026-09-21
Grok Voice Transcribe 2.0	Grok	1	-	-			-No	-No	-No	-No	Closed		-	-	-	2026-09-18
Grok 4.6	Grok	-	500K	-			-No	-No	-No	-No	—				-	2026-08-12
Grok Voice 2.0	Grok Voice	-	-	-			Yes	Yes	-No	-No	—	-	-	-	-	2026-07-29
Grok 4.5	Grok	16	500K	500K			Yes	Yes	Yes	Yes	Closed				-	2026-07-08
Grok Imagine Video 1.5	Grok	2	1K	0			-No	-No	-No	-No	Closed	-		-	-	2026-05-30
Grok 4.3	Grok	18	1M	30K			Yes	Yes	Yes	Yes	Closed				-	2026-04-17
Grok Build 0.1	Grok Build	14	256K	256K			Yes	Yes	Yes	Yes	Closed				-	2026-04-16
Grok 4.20 Multi-Agent	Grok	4	2M	1.8M			Yes	-No	Yes	Yes	Closed			-	-	2026-03-31
Grok 4.20	Grok	4	2M	1.8M			Yes	Yes	Yes	Yes	Closed			-	-	2026-03-31
Grok 4.20 (Non-Reasoning)	Grok	2	1M	30K			-No	Yes	Yes	Yes	Closed				-	2026-03-09
Grok 4.20 (Reasoning)	Grok	2	1M	30K			Yes	Yes	Yes	Yes	Closed				-	2026-03-09

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