Anthropic Launches Claude Opus 5 at Unchanged Pricing, AMD Ships Helios Rack Systems

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Anthropic released Claude Opus 5 on July 24, 2026, available across its API, Claude.ai, and related platforms at $5 per million input tokens and $25 per million output tokens — identical to Opus 4.8 pricing. The model supports a 1-million-token context window and introduces a per-request effort setting (low, medium, or high) that lets developers trade cost against reasoning depth at runtime. On the vendor-reported FrontierBench v0.1 evaluation, Opus 5 scored 43.3 percent, outperforming Fable 5, Opus 4.8, and GPT-5.6 Sol, though it trails Mythos 5 on legal and health benchmarks. Separately, the Model Context Protocol published its largest specification rewrite since launch on July 28, 2026, removing sessions from the protocol entirely. AMD also moved its Helios rack-scale AI systems into production during the same week, with customer commitments reported in gigawatts.

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