#opus-4-5 articles
2 articles
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Claude
Claude Opus 4.5 の料金は？入力$5・出力$25・Batch割引を解説
Claude Opus 4.5 の API 料金は入力 $5・出力 $25/百万トークン。前世代 Opus 4.1 から 67% 値下げで常用圏へ。Batch API 50% 割引・プロンプトキャッシュ・Extended Thinking の追加コストまで整理。
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Claude
What Is Claude Opus 4.5 | 76% Token Reduction Compared to Sonnet 4.5 Explained
A breakdown of Claude Opus 4.5's capabilities and pricing. At $5 input / $25 output — Sonnet-level pricing — it delivers roughly 67% cost reduction over Opus 4.1, and at medium Effort achieves Sonnet 4.5-equivalent accuracy with 76% fewer tokens. Covers how to use the Effort parameter and how to leverage prompt caching and batch inference.