Not a benchmark table. This puts pricing, context, interface fit, and key visibility into one decision card.
高阶专业版追踪位，适合企业级重度编码、研究与复杂代理工作流。
中国新锐路线里具备代表性的主力模型。
This is a cross-provider comparison. Start with the job boundary, then verify what your key can actually see.
On the listed price snapshot, Step-2 is cheaper on combined input and output, but real routing, discounts, and limits still matter.
GPT-5.5 Pro has the larger context window, which helps with long documents, knowledge bases, logs, and multi-turn workflows.
Do not start with which model is absolutely stronger. Start with the boundary: cost, context, speed, quality, ecosystem, or supply stability.
If you already hold a key, the valuable check is provider identity, callable models, and whether balance, limits, or subscription status are visible.
Commercially, do not look at model names alone. Combine price, limits, region, upstream stability, and ongoing monitoring.
