GPT-5.6 Sol一夜变笨,思考预算960砍到128,没智力固定的模型了?

marsbitPublished on 2026-07-15Last updated on 2026-07-15

Abstract

近日,GPT-5.6 Sol模型的“Max档”深度推理能力被许多用户感知到明显下降,反应变快但思考变浅。一个日本开发团队率先报告,其用于复杂任务的Codex Sol MAX表现大幅下滑。社区调查发现,模型背后有一个OpenAI未公开的内部参数“juice value”,它代表推理算力预算。用户测得Sol的Max档该值从960骤降至128,同时可用上下文长度也从约372k缩回272k。 OpenAI负责人Tibo回应称,并未“降智”,而是进行了一场实验性调整。原因是GPT-5.6上线后,其深度推理、多智能体并行等新特性导致资源消耗远超预期,团队通过调低“juice values”来排查用量激增的来源,并承诺已改回原设置。他还提到,上下文窗口的暂时回调是为了解决计费异常,后续会重新开放。 此事揭示了云端AI服务的现实:用户付费购买的“固定智能”并不绝对,模型的实际推理资源配置(如思考时长、探索深度)可能被服务商在后台动态调整。当AI从实验室“奇迹”走向规模化生产工具,其性能与成本间的平衡常由平台掌控。争议的核心在于,如果AI要成为可靠的基础设施,服务商需要提供比模型名称更明确、透明的性能保障边界。

全网都说GPT-5.6 Sol的Max档变笨了,OpenAI偏说没降智,只是「做了个实验」,实验中拧动的那个旋钮,Max档从960掉到128,用户看不见。

一觉醒来,GPT-5.6 Sol变笨了!

一个日本的市场调研团队,早上开工没多久,就发现手里的Codex Sol MAX不太对劲,领队把这一上午的遭遇写成一个长帖,扔到了Reddit的r/codex上。

上午9点,该团队照常开工。到10点40分,全队每一个人都察觉到了同一件事。

他们把Codex Sol MAX接在一个自研的CLI工具上,专门啃那种需要极复杂计算和深度推理的活儿。

一开始,Codex Sol MAX也是不负众望,如果对它的要求水平是10分,它一直稳定地交出12分、13分,是一只「远超预期的怪物」,「每个人都对它满意到不行」。

但这天早上,这只「怪物」的表现忽然垮了下来,只剩8分。

推理的深度,明显被剥掉了。

在此之前,Codex Sol MAX面对一个提示词,会花掉十分钟以上,反复试、反复推、反复调用他们的工具,直到把活儿干得挑不出毛病。

但那种能力,就在这个早上「彻底消失了」。

全网都觉得它「变笨」了

这个日本团队的遭遇,只是这几天Codex社区里的一个缩影。

大家的抱怨高度一致:模型确实变快了,回答来得更利索了,但它不肯往深里挖了。以前那种先研究、再动手、边做边自我推翻的劲儿,没了。

X上网友的一句话,概括了所有人的体感:

所有人的推理档位被集体下调了一级——你原来跑Extra High,现在得把它拧到Max,才能换回原来那点力气。

这种变化,普通用户根本没法证明。

你看不到模型权重有没有换,也看不到服务端给你分了多少算力。

你能感知的只有四样东西:它回得多快,它想得多长,它有没有回头检查自己,它有没有叫上别的智能体一起干。

这些全是间接的信号,没有一样写在模型卡上。

于是,社区有网友自己去翻,翻出了一个OpenAI从来没公开过的内部参数:juice value。

一个官方从没提过的数字

OpenAI公开讲过的,只有推理档位。

7月9日GPT-5.6发布,官方原话是,首次引入max推理强度,「让Sol获得最充足的时间进行深度推理」。再往上还有ultra,默认拉起四个智能体并行干活。

落到ChatGPT里,就是模型选择器里那几个选项:Medium、High、Extra High,背后跑的都是Sol,Pro档跑的是Sol Pro。

而juice value,是这些档位底下的那层东西:内部的推理算力预算。用户看不到,OpenAI也从来没公布过它的取值。

社区用户ns123abc用一段被称作「模型指纹」的隐藏提示词,读到了系统配置里那个数值:juice。

此前社区观测到,Sol的max档对应960。这一次,屏幕上显示的是128,掉了将近87%。

几乎同时,另一组截图也开始传:Codex客户端里用户实际能用的上下文,从约372k退回了272k。

这两个数字,迅速点燃了整个社区。

Tibo:没有降智,我们在查用量

当晚,Tibo(Thibault Sottiaux)就出来说话了,他在OpenAI负责Codex与ChatGPT Work。

Tibo在X上发了一条更新,开头一句就说:没有nerf(降智),只有好事。

然后,他一口气强调了四点。

第一点,推理效率优化已经上线,省下来的算力回馈给所有订阅用户,光这一项就能多出大约10%的用量。

第二点,Sol的上下文上限被从GPT-5.5的272k提到了372k,结果导致计费比预期多扣了。现在已经退回272k,接下来几天再把372k放出去。

第三点,为了搞清楚多出来的用量到底从哪儿来,团队跑了一些实验,实验里改动了推理强度(reasoning effort),内部管它叫「juice values」。

现在已经改回去了。

第四点,high和xhigh档上多智能体的调用比预期的多,auto-review那边也有浪费,都在修。

Tibo的帖子大意是:不是「降智」,是「调参」。

模型权重动没动,他没提。但用户实际拿到的配置,确实动过:这一点他承认了。

juice到底是什么?从目前能看到的公开信息判断,它更接近系统内部的一个推理资源配置标记,粗略地说,就是系统允许模型在一项任务里投多少推理资源。

虽然预算调低,不等于「模型变弱了」,它仍可能悄悄改变很多东西:

长程任务能够探索多少条路线,多种方案之间会比较几轮,代码生成后会不会主动运行测试,失败之后愿意回滚多少次,以及极难任务中那一小部分决定成败的「长尾能力」等。

说到底,它代表的是模型肯在一个任务上花多少心思。

要终结这次争论,需要一场严格对照实验:同一份模型快照,同一批任务,同一套工具环境,只动juice这一个变量。

看看复杂编码、长程智能体、数学推理和错误恢复,到底会掉多少。

这份证据,到现在还是缺席的。

厂商省的每个token,用户都感觉得到

再回到Tibo口中的那场实验。它是怎么来的?

GPT-5.6上线之后,需求立刻井喷。

OpenAI一度把五小时窗口的使用限制临时放开,来接住汹涌而来的调用量。

而GPT-5.6最抢眼的几样新东西:max档更长的思考、ultra默认四个智能体并行、更大的上下文窗口,恰恰全是吃token的猛兽。

多出来的用量,正是从这里冒出来的。

于是就有了这场实验。为了查清账目,先把预算这个变量调低,看看用量究竟往哪儿跑,这在工程上完全说得通。

可问题也就出在这儿:厂商这边省token,用户那边是有感知的,最直观的,就是模型「不肯想了」。

那个被调动的变量,刚好是用户能感觉到的那个。

AI不再「显灵」,开始打卡上班

过去几年,大模型公司带给大家的是一种近乎宗教性的想象。

人们也把模型当神谕,指望它在某个深夜吐出一个人类没想到的答案,即使为此慢一点、贵一点、偶尔发疯,都能忍。

可实验室里的奇迹能够不计成本,但到了生产环节的工业基础设施上就不行。

于是Sol等前沿模型,开始从一个实验室中偶尔「显灵」的先知,变成一个能在日常工作流中不停运转的引擎。

这背后更像是一场智能驯化,而这场争议,等于把驯化的现场当众揭开了。同时,用户对「固定智能」的那点幻觉,也要从此结束了。

订阅一个模型,更像是买了一只灯泡:型号是固定的,但亮度旋钮,一直握在平台手里。

这在商业上可能是一个正确的选择,但它不该永远藏在黑箱里。

如果AI真要成为企业的基础设施,厂商就得给出比模型名称更具体的边界,让用户明白自己花钱买的那个Max,到底保证了什么。

否则,它就只是一张价签。

参考资料:

https://x.com/thsottiaux/status/2076495156757577895

https://x.com/FixlationAI/status/2076469274441380349

https://www.reddit.com/r/codex/comments/1uuy5eq/nerfed_codex_sol_max/

本文来自微信公众号“新智元”,作者:元宇

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Related Questions

Q为什么用户普遍感觉GPT-5.6 Sol的Max档变笨了?

A用户感觉GPT-5.6 Sol的Max档变笨,主要是因为OpenAI进行了一项内部实验,暂时降低了模型推理资源的预算(juice value从960降至128)。这导致模型在处理复杂任务时,用于深度思考和迭代的资源减少,推理深度和反复验证的意愿下降,回答变得更快但更浅显,从而让用户感觉模型‘不肯想’了。

QOpenAI官方对用户反馈的模型‘降智’有何解释?

AOpenAI的负责人Tibo(Thibault Sottiaux)回应称,没有对模型进行‘降智’。他解释称,团队为了调查GPT-5.6上线后用户用量超出预期的原因,进行了一项实验,实验中临时调整了推理强度(即juice value)。他表示该调整是实验性的,现已恢复原状。他强调这是为了优化推理效率和排查用量问题,而非削弱模型能力。

Q文章中提到的‘juice value’具体是指什么?

A‘juice value’是OpenAI内部使用的一个未公开参数,它代表模型在单个任务上可投入的推理资源预算。这个值可以理解为系统允许模型对一个问题‘花多少心思’,它会影响模型探索的路径数量、方案比较轮次、错误恢复次数以及长尾复杂任务的完成度。用户无法直接看到或控制这个数值。

Q此次事件反映了AI服务提供中的什么矛盾?

A此次事件反映了AI服务提供商在平衡成本与用户体验之间的矛盾。厂商为了控制算力成本、优化效率或进行内部测试,可能会调整后端资源分配(如juice value),但这些调整直接影响模型输出的‘智力表现’。用户花钱购买的是期望中的固定性能,而实际得到的却是一个亮度可调的‘灯泡’,揭示了服务性能的非透明性和动态可变性,打破了用户对‘固定智能’的幻觉。

Q文章作者对未来的AI基础设施提出了什么期望?

A文章作者期望,如果AI要成为可靠的企业基础设施,厂商就不能将关键的性能控制参数完全置于黑箱之中。他们需要向用户提供比模型名称更具体、更明确的性能边界定义和保证,让用户清楚自己付费购买的(例如Max档位)具体包含哪些确定性的能力和资源承诺,而不仅仅是一张模糊的价签。

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