Models
May 28, 2026

Anthropic launches Claude Opus 4.8

Anthropic has released Claude Opus 4.8, improving coding, reasoning, financial analysis, and knowledge work capabilities while introducing better honesty, uncertainty awareness, and cost-control features.

Anthropic has unveiled Claude Opus 4.8, the latest upgrade to its flagship AI model, with major improvements in coding, reasoning, financial analysis, and enterprise knowledge work.

The company says the model is significantly better at identifying uncertainty, avoiding unsupported claims, and reviewing its own outputs, making it more reliable for complex tasks.

Anthropic also introduced new effort controls that allow users to adjust how much computational reasoning the model applies to a problem, helping balance performance and cost. Additional dynamic workflow features enable longer-running and parallelized AI task execution. Claude Opus 4.8 is available at the same price as its predecessor.

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