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[ARTICLE · art-72525] src=thenewstack.io ↗ pub= topic=artificial-intelligence verified=true sentiment=· neutral

Opus 5 costs a third of the price — and that’s actually the problem

Anthropic launched Opus 5 on Friday, the latest iteration of its heavyweight model, arriving just two months after Opus 4.8. The new model costs a third of the price of its predecessor, which the company frames as a problem.

read1 min views1 publishedJul 24, 2026

On Friday, Anthropic launched Opus 5, the latest iteration of its heavyweight model. Arriving just two months after Opus 4.8

The post Opus 5 costs a third of the price — and that’s actually the problem appeared first on The New Stack.

source & further reading
thenewstack.io — original article Anthropic’s Opus 5 is almost Fable 5 Cursor, Ramp, and Meta are all building model routers — but two have major model ambitions themselves Can prompt caching tame RAG costs without sacrificing accuracy?
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