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Claude Opus 4.1

Claude Opus 4.1 builds upon its predecessor, offering significantly improved capabilities in software development, multi-step reasoning, and agent-like task execution. It achieves a remarkable 74.5% accuracy on the SWE‑Bench Verified coding benchmark, surpassing Opus 4 and earlier. The update particularly shines in complex codebases—providing improved debugging, multi-file code refactoring, and high-detail analysis—making it a preferred choice for developers and enterprise
New Text Gen 3
Released: August 5, 2025

Overview

Claude Opus 4.1 is Anthropic’s most advanced AI model yet, demonstrating enhanced performance in coding, reasoning, and complex task handling.

About Anthropic

Anthropic is a technology company specializing in artificial intelligence and machine learning solutions.

Industry: Artificial Intelligence
Company Size: 2300-2900
Location: San Francisco, California, US
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Tools using Claude Opus 4.1

Last updated: February 12, 2026
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