发布于 2026-08-16 · 赵予安
直接回答
OpenAI GPT-5.5 标价为每百万 token 0.723 / 4.340，上下文 1,050,000。第一方缓存分数未公布。 这篇指南面向正在比较模型质量、成本、路由策略和生产上线风险的产品与平台团队。
What shipped
GPT-5.5 is provided by OpenAI. The catalog lists streaming, tool, JSON, vision, and long-context capabilities. It has a context window of 1,050,000 tokens. The latency band is 1000 to 3000 milliseconds.
Pricing
Input price is $0.723 per 1 million tokens. Output price is $4.340 per 1 million tokens. Related catalog entries GPT-5.6 Sol and GPT Chat Latest share the same prices. GPT-4o is listed at $0.362 input and $1.447 output per 1 million tokens.
Who this launch is for
The catalog lists vision, long-context, and agent as use cases. This launch is for developers building vision, long-context, and agent workflows. The model is also for teams that need streaming, tool calling, JSON output, and long-context handling.
What is unverified
The release date is unpublished in this catalog snapshot. Independent third-party quality scores are not in these notes. There is no first-party CacheSafety row for this exact model in the NextModel bench table. Safe Hit, Bad Hit, and trap rates are unpublished.