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Our position on open-weights models

anthropic.com

July 27, 2026

8 min read

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62/100

Summary

Dario Amodei, CEO of Anthropic, addresses concerns regarding open-weights models, particularly those from China. There are discussions among US officials about potentially banning the use of these models by US companies, prompting support from various tech companies for open-weights models.

Key Takeaways

Anthropic CEO Dario Amodei states that the company has never advocated for a ban on open-weights models, contrary to accusations.
Open-weights models that lack dangerous capabilities are considered a public good, providing value to businesses, developers, and researchers without significant costs.
Amodei expresses concern that authoritarian governments could develop more powerful AI models than the US, potentially leading to military superiority and repression.
To mitigate risks associated with powerful AI models, Amodei supports restricting the sale of advanced chips to China and cracking down on industrial-scale distillation operations.

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Community Sentiment

Negative

Positives

Mandatory safety testing for all capable models could ensure a higher standard of safety, which many believe is a reasonable measure.
The idea of open-weight models being checked for alignment is a step toward accountability in AI development.

Concerns

Anthropic's push for mandatory safety testing feels like a thinly veiled attempt to restrict open models and stifle competition.
The safety eval industry seems rigged, controlled by the very companies that would benefit from limiting access to open models.
There's a clear impression that Anthropic is more concerned about protecting their profits than genuinely promoting safe AI practices.