Simon Willison's Weblog

Quoting OpenAI

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TL;DR · AI 摘要

OpenAI 正在推出 GPT-5.6 系列模型，包括 Sol、Terra 和 Luna，价格和性能各有不同。

核心要点

  • GPT-5.6 系列包括 Sol、Terra 和 Luna 三种模型，分别适用于不同场景。
  • Terra 相比 GPT-5.5 性能相当但价格便宜 2 倍。
  • Luna 是最便宜的模型，输入价格为 $1/百万 tokens。

结构提纲

按章节快速跳转。

  1. §引言

    Simon Willison 收集并分享了 OpenAI 关于 GPT-5.6 系列模型的公开声明。

  2. §GPT-5.6 系列模型介绍

    OpenAI 正在推出 GPT-5.6 系列模型，包括 Sol、Terra 和 Luna 三种模型。

  3. §模型性能与价格

    Terra 性能与 GPT-5.5 相当但价格便宜 2 倍，Luna 是最便宜的模型。

  4. §定价与缓存机制

    GPT-5.6 引入了更可预测的提示缓存机制，并明确了缓存读写的价格。

思维导图

用一张图看清主题之间的关系。

查看大纲文本（无障碍 / 无 JS 友好）
  • GPT-5.6 系列模型
    • 模型类型
      • Sol
      • Terra
      • Luna
    • 性能与价格
      • Terra 性能与 GPT-5.5 相当，价格便宜 2 倍
      • Luna 最便宜，输入价格 $1/百万 tokens
    • 缓存机制
      • 支持显式缓存断点
      • 缓存写入价格为 1.25 倍输入价格

金句 / Highlights

值得收藏与分享的关键句。

#OpenAI#GPT#AI模型#LLM定价
打开原文

A quote from OpenAI

Simon Willison’s Weblog

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26th June 2026

We're beginning a limited preview of the GPT‑5.6 series: Sol, our flagship model; Terra, a balanced model for everyday work; and Luna, a fast and affordable model. Terra has competitive performance to GPT‑5.5 while being 2x cheaper and Luna brings strong capability at our lowest cost. [...] We believe in broad access, and we plan to make GPT‑5.6 Sol, Terra, and Luna generally available in the coming weeks. As part of our ongoing engagement with the U.S. government, we previewed our plans and the models’ capabilities ahead of today’s launch. At their request, we are starting with a limited preview for a small group of trusted partners whose participation has been shared with the government, before releasing more broadly. [...] GPT‑5.6 is priced per 1M tokens across three model sizes: Sol is $5 input / $30 output; Terra is $2.50 input / $15 output; and Luna is $1 input / $6 output. GPT‑5.6 also introduces more predictable prompt caching, including support for explicit cache breakpoints and a 30-minute minimum cache life. For GPT‑5.6 and later models, cache writes are billed at 1.25x the model’s uncached input rate, while cache reads continue to receive the 90% cached-input discount.

— OpenAI , Previewing GPT‑5.6 Sol: a next-generation model

Posted

at 5:10 pm

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This is a quotation collected by Simon Willison, posted on 26th June 2026 .

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