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The Agentic Engineer

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Issue #23 | July 29, 2026
TL;DR
  • Claude Opus 5 is on Amazon Bedrock now. Fable 5 intelligence, Opus pricing. ZDR by default.
  • Kimi K3 drops open weights at 2.8T scale. First frontier open model with agent-native architecture baked in.
  • Tool of the Week: The Amazon GuardDuty Investigation Agent turns security triage from hours into a 5-minute MCP call. Free during preview.
The Big One

Claude Opus 5 Lands on Amazon Bedrock

AWS ML Blog (Jul 24)

The first 5th-generation Opus is here. Claude Opus 5 landed on Amazon Bedrock on July 24. Anthropic's claim: it matches Fable 5 intelligence across agentic coding, knowledge work, visual understanding, and long-horizon tasks.

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