OpenAI 推出全新 GPT-5.6 模型家族

OpenAI 于周四发布了其最新模型家族，在日益拥挤的 AI 产品领域中推出了一系列重量级产品。

GPT-5.6 提供三种变体：Sol（被视为其主力机型）、Terra（中阶选项）和 Luna（高性价比选项）。这些模型拓展了用户在各领域的操作边界——该公司承诺它将在企业工作、编程，乃至科学研究中展现强大能力。

CEO Sam Altman 承诺，其公司的最新模型比之前版本在效率和成本效益上高出数个量级，他最近 告诉 CNBC，Sol 在执行 AI 编码任务时的 token 效率提升了 54%。

最值得关注的是，该公司将 5.6 称为其“迄今最强的网络安全模型，以显著更少的 token 量实现了前沿性能”。

诚然，围绕着该模型的网络能力出现了不少喧嚣，因为特朗普政府此前曾 试图限制其推广，表面上是担忧该模型可能被滥用。GPT-5.6 支持防御性活动，包括威胁建模、代码审查与补丁修复以及蓝队行动（即在自己的系统上模拟攻击，从而在真正的黑客得手之前发现漏洞）。

OpenAI 还发布了一款名为 ChatGPT Work 的新工具，顾名思义，它被设计为适用于企业团队的工作场所伴侣，运行于桌面端、网页端和移动端，能够协助起草文档、电子表格和演示文稿等日常办公事务。

OpenAI 新公布的模型家族，紧跟着本周内竞争对手 SpaceXAI 和 Meta 的类似发布。

不过，GPT-5.6 及其配套的营销策略，似乎主要是为了瞄准 OpenAI 的主要对手 Anthropic。Anthropic 已成功将自己打造成 AI 竞赛中 讨喜的弱势方，专心服务企业客户，并因此赢得了越来越多的支持。

不甘示弱的 OpenAI 引用了 Artificial Analysis 编程智能体指数（一项颇受关注的基准评测指标），宣称其最新模型家族在方方面面都超越了 Anthropic 的模型。

OpenAI 称 Sol 是其“迄今最好的编程模型”，并明确将其与 Anthropic 近期发布的（且备受热捧的）Fable 进行了对比。基于编程智能体指数，OpenAI 声称 Sol “创下了 80 分的新最先进水平，领先 Fable 5 达 2.8 分，并且使用的输出 token 不到其一半，耗时不到一半，成本约低三分之一”。

它补充道：“这一优势覆盖了整个模型家族：Terra 的表现略超 Fable 5，Luna 则优于 Opus 4.8。”

该公司表示，5.6 现已在 ChatGPT、Codex 和 OpenAI API 中可用。每百万 token 的可用性定价如下：Sol 为 $5 输入 / $30 输出，Terra 为 $2.50 输入 / $15 输出，Luna 为 $1 输入 / $6 输出。

OpenAI unveiled its newest family of models on Thursday, introducing a set of heavyweight programs into an increasingly crowded field of AI offerings.

GPT-5.6 comes in three variants: Sol (considered its workhorse), Terra (a more intermediate option), and Luna (its budget-friendly option). These models expand what users can do across a variety of fields — with the company promising powerful capabilities in enterprise work, coding, and even scientific research.

CEO Sam Altman has promised that his company’s newest models are orders of magnitude more efficient and cost-effective than previous versions, recently telling CNBC that Sol is 54% more token efficient when it comes to AI coding tasks.

Most notably, the company calls 5.6 its “strongest cybersecurity model yet, achieving frontier performance with significantly fewer tokens.”

Indeed, much hubbub has been made about the model’s cyber capabilities, as the Trump administration previously sought to restrict its rollout, ostensibly due to fears of how the model could be misused. GPT-5.6 supports defensive activities, including threat modeling, code review and patching, and blue teaming (simulating an attack on your own systems to find weaknesses before real hackers do).

OpenAI also released a new tool called ChatGPT Work, which — just as it sounds — is designed as a workplace companion for enterprise teams, running on desktop, web, and mobile, that can help with daily clerical tasks, like drafting documents, spreadsheets, and presentations.

OpenAI’s newly announced family of models follows on the heels of similar releases this week from competitors SpaceXAI and Meta.

However, GPT-5.6 and its attendant marketing seems most designed to take aim at OpenAI’s primary opponent, Anthropic. Anthropic has managed to make itself the likable underdog of the AI race, focusing fixedly on enterprise customers and winning a growing share of support as a result.

Not to be outdone, OpenAI cites the Artificial Analysis Coding Agent Index, a notable benchmarking metric, to claim that its latest family of models outshines Anthropic’s models at every turn.

OpenAI calls Sol its “best coding model yet,” and has explicitly compared it to Anthropic’s recently released (and much hyped) Fable. Using the Coding Agent Index, OpenAI claims that Sol “sets a new state of the art at 80, 2.8 points above Fable 5, while using less than half the output tokens, taking less than half the time, and costing about one-third less.”

It adds: “That advantage extends across the family: Terra performs just above Fable 5, while Luna outperforms Opus 4.8.”

The company says that 5.6 is now available across ChatGPT, Codex, and the OpenAI API. Availability per million tokens is priced as follows: Sol is $5 input / $30 output, Terra is $2.50 input / $15 output, and Luna is $1 input / $6 output.