Anthropic Claude

Grok Bot, the agent available on iPhone, iPad and Mac, now has its own email address ending in @mail.grokbot.com. According to the announcement on X, the agent can use it to sign up for services, contact businesses and schedule time with people. The rollout began October 9, 2026.

Amazon Bedrock's prompt caching feature can cut input token costs by up to 90% on cache hits by storing repeated context like documents, system prompts, and tool definitions. AWS outlines six implementation patterns and pricing details, including a 25% premium for cache writes and 90% discount on cache reads.