The original headline is "AI Weekly: Opus 5 Lands, MCP Goes Stateless, and AMD Ships Helios"

Short summary

Anthropic released Claude Opus 5 at $5/$25 per million tokens, beating higher-tier models on benchmarks while exposing per-request effort controls that let teams trade cost vs. capability at runtime. The MCP spec was rewritten to remove sessions entirely, and AMD moved Helios rack-scale systems into production with gigawatt-scale customer commitments. The newsletter covers models, tooling, standards, and infrastructure in a fixed weekly format.

• •Claude Opus 5 ships at Opus 4.8 pricing with strong benchmarks and a per-request effort setting for runtime cost control
• •MCP 2026-07-28 spec is the largest rewrite since launch, removing sessions from the protocol entirely
• •AMD Helios rack-scale systems enter production with customer commitments measured in gigawatts

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