#opus articles
4 articles
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Claude
Claude Opus とは｜Anthropic 最上位モデルの実力と料金
Claude Opus とは何かを初心者向けに解説。Anthropic の Claude で最も知性が高い最上位モデルティアの定義・得意分野・最新版 Opus 4.8・料金・使い方・Sonnet / Haiku との違いを 2026 年最新版で整理します。
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Claude
Claude Opus 料金まとめ｜Maxプランと API 全バージョン
Claude Opus を使うなら claude.ai は Max プラン（$100/月〜）が必須で Pro では利用不可。API は Opus 4.8 が入力 $5・出力 $25/MTok。Opus 4.8〜4.1 の全バージョン単価・Batch 割引・Prompt Caching 率を一覧で整理する。
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Claude
Claude Fast Mode | How to Use 2.5x Speed, Pricing & Subscription Details
A guide to Claude's Fast Mode for users who want faster output — boosting generation speed up to 2.5x. Covers supported models (Opus 4.8/4.7/4.6), how to use /fast in Claude Code and speed: fast in the API, pricing for Opus 4.8 at $10 input / $50 output per million tokens, the important note that even subscribers are billed directly to usage credits, and how OTPS (not TTFT) is what actually speeds up.
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Claude
Claude Opus 4.1 / 4.5 / 4.6 / 4.7 | Performance & Pricing Comparison
A four-axis comparison of Claude Opus 4.1 / 4.5 / 4.7 across SWE-bench score, pricing, speed, and migration risk. For autonomous agents, Opus 4.7 with SWE-bench 87.6% is the top choice; for cost savings, Opus 4.5 at $5 input is optimal; to avoid breaking changes, sticking with Opus 4.6 is the practical solution.