Grok 4.20

Grok 4.20

Developer	xAI
Release date	March 10, 2026
Family	Grok
Generation	Grok 4.20
Level
Context window	2M tokens
Max output	1.8M tokens
Input	Text, image, file
Output	Text
Knowledge cutoff	2025-09-01
Weights	Closed
Successor	Grok 4.3
Website	x.ai
Links	Model card

Part of a series on

input: $1.25
cached: $0.20
output: $2.50
Context: 2Mtokens
Released: 8mo ago

Infrastructure

Provider availability

Provider	Endpoint	Context	Input /M tokens	Output /M tokens	Cached input /M tokens	Cache write /M tokens	Uptime 1d	Data handling
xAI	xai/zdr	2M	$1.25	$2.50	$0.20	—	100.00%	ZDR: Yes Training: Unknown Prompt logging: Unknown Retention: Unknown ZDR source Privacy policy Checked 2026-11-12
xAI	xai	2M	$1.25	$2.50	$0.20	—	100.00%	ZDR: No Training: Unknown Prompt logging: Unknown Retention: Unknown ZDR source Privacy policy Checked 2026-11-12
xAI	xai/zdr/priority	2M	$2.50	$5.00	$0.40	—	100.00%	ZDR: Yes Training: Unknown Prompt logging: Unknown Retention: Unknown ZDR source Privacy policy Checked 2026-11-12
xAI	xai/priority	2M	$2.50	$5.00	$0.40	—	—	ZDR: No Training: Unknown Prompt logging: Unknown Retention: Unknown ZDR source Privacy policy Checked 2026-11-12

Provider data:OpenRouter

To give you the best experience, we use cookies for personalization, insights, and performance. Learn more.