"“We've heard your questions about SDK and claude -p usage sharing your subscription rate limits with Claude Code and chat,” the company said in a social media post. “Starting June 15, programmatic usage gets its own dedicated budget instead. Your subscription limits don't change, they're now reserved for interactive use.”"
"Subscription usage only applies to interactive use of Claude Code, Claude Cowork, and Claude.ai. Interactive mode involves a user typing a prompt and receiving a response. There's a human in the loop. Programmatic interaction, whether via Anthropic's own Agent SDK, headless mode, or a third-party tool, will be counted against a separate usage pool funded by a credit equal to the customer's subscription fee."
"So a Pro subscriber paying $20 per month will have two token supply chains - one for interactive usage and one for programmatic usage, which the subscriber must claim to obtain. But programmatic usage gets billed at costlier API rates. And if this credit is exhausted, spillover programmatic tokens get billed at (occasionally discounted) API rates through “ extra usage,” a separate token allotment that, if enabled, exists mainly as a way to avoid a sudden service cutoff and to set a limit on spending."
"The questions from users arose because Anthropic's prior efforts to prevent customers from gorging on tokens at the all-you-can-eat subscription trough haven't been comprehensive. The AI biz, mindful that it will need to show a profit eventually, has been trying to push customers toward its metered API and to constrain consumption of flat-rate subscription tokens. Microsoft's GitHub Copilot has embarked on a similar transition."
Anthropic has limited Claude subscription access by separating interactive and programmatic usage. Interactive mode covers a user entering a prompt and receiving a response with a human in the loop. Programmatic interaction through the Agent SDK, headless mode, or third-party tools is counted against a separate usage pool funded by a credit equal to the subscription fee. Pro subscribers receive two token supply chains: one for interactive use and one for programmatic use that must be claimed. Programmatic tokens are billed at higher API rates, and when the credit is exhausted, additional tokens are billed as extra usage, which can help avoid abrupt cutoffs and control spending. Prior restrictions aimed to prevent excessive token consumption under flat-rate subscriptions.
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