The original headline is "Claude Opus 5 Lands on Amazon Bedrock — The Agentic Engineer #23"

Short summary

Claude Opus 5 launched on Amazon Bedrock on July 24, matching frontier-tier intelligence at Opus pricing with Zero Data Retention enabled by default. The newsletter also covers Kimi K3's 2.8T MoE open weights with 1M context, OpenAI's enterprise agent platform running phone support at 75% resolution, and OmniRoute's 31K-star multi-provider routing. A key research insight: training agents inside their deployment harness lets an 8B model match much larger models on OSWorld and WebVoyager.

• •Claude Opus 5 on Bedrock matches frontier intelligence at Opus pricing with ZDR by default
• •Kimi K3 open-weights 2.8T MoE with 1M context and native tool calling
• •Training agents in-deployment-harness lets 8B models match larger models on benchmarks

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