- In short
- The exact model-picker options, the default model, and automatic model-switching behaviour depend on the plan and change over time, so they are product details to verify in-app rather than fixed facts to memorise. The stable takeaway is the three-tier decision logic -- fast, balanced, high-capability -- which remains the mental model even as specific offerings evolve, and even if a new tier appears above or alongside the three-tier frame.
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