Introduction: The Coding Plan Landscape ExplosionFrom late 2025 through early 2026, domestic AI large model manufacturers have intensively entered the AI programming赛道, launching Coding Plan subscription packages targeting developers. These plans replace traditional token-based billing with fixed monthly fees, dramatically lowering the barrier to AI-assisted programming usage. However, the market offers a dizzying array of packages with vastly different pricing structures, quota allocations, and model support—not to mention numerous billing ...