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Nuanced Perspective on Anthropic's Blocking Policy

Nuanced Perspective on Anthropic's Blocking Policy

@simonw

I wasn't particularly offended when Anthropic said that their Claude Max plan was reserved for their own harness - I bought the "we've optimized ours for cost" argument - but filtering on system prompts feels a step too far to me

Apr 5, 2026, 5:42 PM View on X

15 Replies

8 Retweets

279 Likes

15.2K Views S Simon Willison @simonw

One Sentence Summary

Simon Willison distinguishes between restricting plans for optimization versus filtering based on system prompts.

Summary

Following up on his critique, Willison clarifies his stance: while he previously accepted Anthropic reserving 'Claude Max' for their own tools for optimization reasons, he finds the new approach of filtering based on system prompts to be an overreach and a step too far.

AI Score

83

Influence Score 39

Published At Yesterday

Language

English

Tags

Anthropic

Claude

AI Policy

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