Anthropic Ships Claude Opus 5, Pitching Frontier-Class Intelligence at Half the Price

Anthropic launched Opus 5 on July 24, claiming it approaches the intelligence of Fable 5 at half the cost, with early testers already pushing it against decades-old math conjectures.

Anthropic released Claude Opus 5 on July 24, framing it not as a raw capability moonshot but as a pragmatic frontier play. The company's own announcement, via @claudeai, described it as "a thoughtful and proactive model that comes close to the frontier intelligence of Fable 5 at half the price." That positioning — near-frontier performance at a materially lower cost — is the tell. Anthropic is competing on the economics of intelligence, not just the ceiling.

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