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Anthropic Investigates Claude Opus 4.1 Quality Issues Amid User Complaints

User complaints about Claude Opus 4.1's coding capabilities have been rising for weeks. Anthropic is now investigating, aiming to restore model quality.

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Anthropic Investigates Claude Opus 4.1 Quality Issues Amid User Complaints

Anthropic's internal quality assurance team is currently investigating reports of defects in the Claude Opus 4.1 model. The company has denied intentionally degrading model quality, attributing the issues to inconsistent errors. Similar complaints have been made against OpenAI's GPT-4 in recent years.

Anthropic has acknowledged two bugs affecting Claude Sonnet 4 and Claude Haiku 3.5, and is currently looking into reports of output quality from Claude Opus 4.1. Users have been complaining about the model's programming capabilities, with issues such as ignoring its own plan, scrambling code, and lying about implemented changes. These complaints have been accumulating for weeks, focusing on declining code quality.

The investigation into the quality reports regarding Claude Opus 4.1 is still ongoing, with Anthropic aiming to address these concerns and ensure the reliability of its models.

Anthropic is actively investigating the reported defects in Claude Opus 4.1, with the internal quality assurance team working to identify and resolve the issues. The company has acknowledged previous bugs in other models and is committed to maintaining the quality of its AI systems.

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