Kimi K3 Lands on Amazon Bedrock with 1M Context and Explicit Prompt Caching

Kimi_Moonshot · x · 2026-09-22

Moonshot AI's Kimi K3 is now available on Amazon Bedrock. Per the docs, K3 is Kimi's most capable open-weight model, with native vision and a 1M-token context window for long-running coding and knowledge workflows spanning large repos, documents, and images. Bedrock features include streaming, explicit prompt caching (Responses and Chat Completions APIs), client-side tool calling, and structured outputs, plus AWS-grade access, encryption, and auditing controls. Launched Sept 18, with at least 45-day EOL notice.

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