Grok 4.6 on Bedrock: $2.20 in-region, $2.00 global, and the 200K cliff AWS never published

Grok 4.6 on Bedrock: \(2.20 in-region, \)2.00 global, and the 200K cliff AWS never published Summary. xAI announced Grok 4.6 as generally available on Amazon Bedrock on 19 August 2026 and printed one