Claude Opus 4.7 Model Card

anthropic.com

April 16, 2026

1 min read

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56/100

Summary

Claude Opus 4.7 is a language model developed by Anthropic, featuring improvements in safety and alignment. The model card provides detailed information on performance metrics, training data, and usage guidelines.

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Coverage & discussions

Hacker News · anthropic.com

Claude Opus 4.7 Model Card ↗

Community discussions

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Historical count: 5 · 5 saved in sample · Historical sample

Analysis ready

Community Sentiment

Mixed

Positives

The transparency regarding Opus 4.7's performance degradation in long-context retrieval is appreciated, as it allows users to adjust their expectations and usage strategies accordingly.
Users value the clear communication about subscription plans, which helps them understand the implications of model performance changes on their costs.

Concerns

Opus 4.7 is significantly worse at long-context retrieval compared to its predecessor, raising concerns about the trade-offs made in model performance.
There are worries that the model's capabilities could inadvertently assist in the creation of harmful substances, highlighting serious ethical and safety concerns.