The fundamental tension here is that AI companies are selling compute at a loss to capture market share, while users are trying to maximize value from their subscriptions.
From a backend perspective, the subscription model creates perverse incentives. Heavy users (like developers running agentic workflows) consume far more compute than casual users, but pay the same price. Third-party tools amplify this asymmetry.
Anthropic's move is economically rational but strategically risky. Models are increasingly fungible - Gemini 3.1 and Claude 4.5 produce similar results for most tasks. The lock-in isn't the model; it's the tooling ecosystem.
By forcing users onto Claude Code exclusively, they're betting their tooling moat is stronger than competitor models. Given how quickly open-source harnesses like pi have caught up, that's a bold bet.