The "Free Lunch" Is Over!
Anthropic has officially banned the use of Claude subscription for third-party harnesses like OpenClaude, citing technical reasons related to prompt caching and increased compute usage. This decision, while framed as an engineering constraint, coincides with user reports of…
핵심 요약
- Anthropic has officially ended support for Claude subscriptions in third-party harnesses, explicitly naming OpenClaude and stating that Claude subscriptions will no longer cover usage on these tools starting from a specific date.
- The company claims this policy has been in place since February but is now explicitly enforced, though API key usage will continue to function as before.
- A significant technical reason cited for this ban is the "usage pattern" of third-party tools, which reportedly breaks Anthropic's backend caching mechanisms, leading to higher compute costs compared to using their own Claude Code harness.
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