Anthropic unveils Claude Opus 5, betting lower costs will win the AI race

SAN FRANCISCO, July 25 — Anthropic yesterday released Claude Opus 5, a new artificial intelligence model the company says approaches the performance of its most powerful system at half the price. The San Francisco-based startup, a chief rival to Open... [2036 chars]
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Quoting Boris Cherny

More than any of these eval scores, what is most exciting to me is something else: Opus 5 is our least prompt injectable model yet. It is a bit buried in the system card, but acros...