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Anthropic's Claude Opus 4.5 achieves new SOTA in coding tasks at lower cost

Anthropic has released Claude Opus 4.5, a new state-of-the-art coding model. This release positions it as the third top-tier coding model to emerge in the past week. Notably, Claude Opus 4.5 is priced at one-third the cost of its predecessor, Opus. AI

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RANK_REASON Frontier-lab model release with system card.

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COVERAGE [1]

  1. Smol AINews TIER_1 ·

    Claude Opus 4.5: 3rd new SOTA coding model in past week, 1/3 the price of Opus

    **Anthropic** launched **Claude Opus 4.5**, a new flagship model excelling in **coding, agents, and tooling** with a significant **3x price cut** compared to Opus 4.1 and improved **token efficiency** using **76% fewer output tokens**. Opus 4.5 achieved a new **SOTA** on **SWE-be…