
5/29/2026
Claude Opus 4.8 Is a Benchmark Literacy Test
Claude Opus 4.8 improves on published benchmarks, adds effort controls, ships Dynamic Workflows, and keeps Opus 4.7 pricing — and is still not an obvious blanket upgrade. A practical guide to testing it against Opus 4.7, GPT-5.5, and Amazon Nova on AWS, with cost per successful task at the center.
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