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    <title>Next AI Model: Anthropic Claude Opus releases</title>
    <link>https://www.nextaimodel.com/lines/anthropic-opus</link>
    <description>Every new release in Anthropic's Claude Opus line, from Next AI Model. Newest 20 releases.</description>
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    <lastBuildDate>Sat, 24 Oct 2026 17:12:56 GMT</lastBuildDate>
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      <title>Claude Opus 5.5</title>
      <link>https://www.nextaimodel.com/models/claude-opus-5-5</link>
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      <pubDate>Tue, 22 Sep 2026 12:00:00 GMT</pubDate>
      <category>Anthropic</category>
      <description>Anthropic · Claude Opus line · released September 22, 2026. Anthropic's new Opus scores 7 points higher than Opus 5 on the all-round index and costs 20% less per token.</description>
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      <title>Claude Opus 5</title>
      <link>https://www.nextaimodel.com/models/claude-opus-5</link>
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      <pubDate>Fri, 24 Jul 2026 12:00:00 GMT</pubDate>
      <category>Anthropic</category>
      <description>Anthropic · Claude Opus line · released July 24, 2026. Priced at $5 per million input tokens and $25 per million output tokens, unchanged from Opus 4.8, and became the default model for Claude Max subscribers.</description>
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      <title>Claude Opus 4.8</title>
      <link>https://www.nextaimodel.com/models/claude-opus-4-8</link>
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      <pubDate>Thu, 28 May 2026 12:00:00 GMT</pubDate>
      <category>Anthropic</category>
      <description>Anthropic · Claude Opus line · released May 28, 2026. Scores 74.6% on Terminal-Bench 2.1, up from 66.1% for Opus 4.7, at the same $5 / $25 price per 1M tokens, and its fast mode now costs a third of what fast mode cost for earlier models.</description>
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      <title>Claude Opus 4.7</title>
      <link>https://www.nextaimodel.com/models/claude-opus-4-7</link>
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      <pubDate>Thu, 16 Apr 2026 12:00:00 GMT</pubDate>
      <category>Anthropic</category>
      <description>Anthropic · Claude Opus line · released April 16, 2026. Anthropic's updated flagship: a clear jump on real-world coding and much sharper at reading charts than 4.6 — at the same price.</description>
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      <title>Claude Opus 4.6</title>
      <link>https://www.nextaimodel.com/models/claude-opus-4-6</link>
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      <pubDate>Thu, 05 Feb 2026 12:00:00 GMT</pubDate>
      <category>Anthropic</category>
      <description>Anthropic · Claude Opus line · released February 5, 2026. Anthropic's Opus 4.6: a big jump on brand-new reasoning puzzles and the first Opus that can read 1M tokens of text at once — but its score on fixing real software bugs (SWE-bench Verified) is unchanged.</description>
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      <title>Claude Opus 4.5</title>
      <link>https://www.nextaimodel.com/models/claude-opus-4-5</link>
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      <pubDate>Mon, 24 Nov 2025 12:00:00 GMT</pubDate>
      <category>Anthropic</category>
      <description>Anthropic · Claude Opus line · released November 24, 2025. Opus 4.5 fixes more real software bugs than Opus 4.1 (80.9% vs 74.5% on SWE-bench Verified) and costs two-thirds less, at $5 / $25 per 1M tokens instead of $15 / $75.</description>
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    <item>
      <title>Claude Opus 4.1</title>
      <link>https://www.nextaimodel.com/models/claude-opus-4-1</link>
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      <pubDate>Tue, 05 Aug 2025 12:00:00 GMT</pubDate>
      <category>Anthropic</category>
      <description>Anthropic · Claude Opus line · released August 5, 2025.</description>
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      <title>Claude Opus 4</title>
      <link>https://www.nextaimodel.com/models/claude-opus-4</link>
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      <pubDate>Thu, 22 May 2025 12:00:00 GMT</pubDate>
      <category>Anthropic</category>
      <description>Anthropic · Claude Opus line · released May 22, 2025.</description>
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    <item>
      <title>Claude 3 Opus</title>
      <link>https://www.nextaimodel.com/models/claude-3-opus</link>
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      <pubDate>Mon, 04 Mar 2024 12:00:00 GMT</pubDate>
      <category>Anthropic</category>
      <description>Anthropic · Claude Opus line · released March 4, 2024. The top model of the Claude 3 family, with a 200K-token context window, priced at $15 / $75 per 1M tokens.</description>
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      <title>Claude 2.1</title>
      <link>https://www.nextaimodel.com/models/claude-2-1</link>
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      <pubDate>Tue, 21 Nov 2023 12:00:00 GMT</pubDate>
      <category>Anthropic</category>
      <description>Anthropic · Claude Opus line · released November 21, 2023.</description>
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      <title>Claude 2</title>
      <link>https://www.nextaimodel.com/models/claude-2</link>
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      <pubDate>Tue, 11 Jul 2023 12:00:00 GMT</pubDate>
      <category>Anthropic</category>
      <description>Anthropic · Claude Opus line · released July 11, 2023. Scores higher than Claude 1.3 on coding and math tests, reads up to 100K tokens per prompt, and opened as a public beta on claude.ai in the US and UK.</description>
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