
API 定价比 5.4 贵
For API developers, gpt-5.5 will soon be available in the Responses and Chat Completions APIs at $5 per 1M input tokens and $30 per 1M output tokens, with a 1M context window.
官方提到了在 Codex 中因为 Token 效率更高所以大概能在相同价格用量下得到和 5.4 类似的效果(持怀疑态度)