Anthropic Launch Claude Opus 4.5 With Improved Coding and Agent Capabilities – MacRumors Skip to Content Front Page Roundups Guides How Tos Reviews Buyer's Guide Upcoming Products Forums Archives Tips / Contact Us Podcast Instagram Facebook Twitter Mastodon YouTube Notifications RSS Newsletter Anthropic Launches Claude Opus 4.5 With Improved Coding and Agent Capabilities Monday November 24, 2025 2:59 pm PST by Juli Clover Anthropic today announced the launch of Claude Opus 4.5, which it says is the “best model in the world for coding, agents, and computer use.” It’s improved over prior models for everyday tasks like deep research, and it is a “step forward in what AI systems can do.” According to feedback Anthropic received from early testers, Claude Opus 4.5 can complete tasks that were impossible for Sonnet 4.5, and that it is able to handle ambiguity and reason about tradeoffs without hand-holding. The Opus 4.5 model offers better vision, reasoning, mathematics skills, and coding than prior versions of Claude. Along with the Opus update, Anthropic is updating its apps, the Claude Developer Platform, and Claude Code. There are tools for longer-running agents, and options to use Claude in Excel, Chrome, and on the desktop. In the Claude apps, users will no longer run into limits during a long conversation. Claude is able to automatically summarize earlier context, which means the conversation can keep going endlessly. Claude for Chrome is available to all Max users, and Claude for Excel beta access is now available to all Max, Team, and Enterprise users. Claude Code is now available in the desktop app, and with Opus 4.5, it is able to build more precise plans and execute them more thoroughly. Claude is able to ask clarifying questions upfront and then build a user-editable plan before executing. Claude Opus 4.5 is available today across Anthropic’s apps and its API. 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`run_shell_command`ツールが使用できないため、ファイルへの書き込みは行わず、直接JSON形式で出力します。
現在のTODOリストを更新し、記事の内容抽出と構成を進めます。
“`json
{
“title”: “Anthropic、Claude Opus 4.5を発表 – コーディングとエージェント機能が大幅強化”,
“content”: “
Claude Opus 4.5の登場
Anthropicは本日、AIモデル「Claude Opus 4.5」の
“`json
{
“title”: “Anthropic、Claude Opus 4.5を発表 – コーディングとエージェント機能が大幅強化”,
“content”: “
Claude Opus 4.5の登場
Anthropicは本日、AIモデル「Claude Opus 4.5」の発表を行いました。同社はこれを「コーディング、エージェント、およびコンピューターの使用において世界最高のモデル」と位置付けています。深い調査などの日常業務における性能も向上し、AIシステムの機能における新たな一歩を踏み出しました。
主要な進化点とパフォーマンス
初期テスターからのフィードバックによると、Claude Opus 4.5はこれまでのSonnet 4.5では不可能だったタスクも完了できるようになりました。特に、曖昧さを処理し、手動での指示なしにトレードオフについて推論する能力が強化されています。また、以前のバージョンと比較して、ビジョン、推論、数学、コーディングのスキルが大幅に向上しています。
新機能とプラットフォームの拡充
Anthropicは、Opus 4.5の発表と合わせて、既存のアプリ、Claude Developer Platform、およびClaude Codeのアップデートも行いました。
- 長時間実行型エージェント向けのツールが提供されます。
- ClaudeをExcel、Chrome、デスクトップで使用できるようになりました。
- Claudeアプリでは、自動要約機能により、長い会話でも制限なく続けられるようになります。
また、Claude for ChromeはすべてのMaxユーザーに、Claude for Excelのベータ版はMax、Team、およびEnterpriseユーザーに提供されます。デスクトップアプリで利用可能なClaude Codeは、Opus 4.5によって、より精密な計画を立て、それを徹底的に実行する能力を獲得しました。ユーザーは、実行前に明確化された質問を行い、編集可能な計画を作成することができます。
利用方法とアクセス
Claude Opus 4.5は、本日よりAnthropicのアプリおよびAPIを通じて利用可能です。Opus固有のキャップは解除され、ClaudeおよびClaude CodeのOpus 4.5アクセス権を持つユーザー、ならびにMaxおよびTeam Premiumメンバーの全体的な利用制限が増加しました。
“,
“status”: “publish”
}
“`
元記事: https://www.macrumors.com/2025/11/24/anthropic-claude-opus-4-5/