我们的使命是确保通用人工智能造福全人类。我们正在为 ChatGPT 推出更新，改善日常对话体验，同时扩大 Free 用户的访问权限。
对于 Plus 和 Pro 用户，我们正在更新 Chat 中的 GPT‑5.6 Sol，使其在事实方面更加可靠，并提供更聚焦的回答。新增的滑块让你可以选择 ChatGPT 在每次回答中投入多少思考。
对于 Free 用户，我们将默认模型更新为 GPT‑5.6 Luna，并通过无限文本聊天扩大访问权限。对于需要更多思考的问题，新增的 Think 按钮让你可以为更难的问题调用更高强度的推理。
GPT‑5.6 Sol，针对你使用 ChatGPT 的方式进行了调优
每周有 10 亿人使用 ChatGPT，从快速提问、网页搜索到规划、研究、建议和复杂决策，无所不包。我们更新了 GPT‑5.6 Sol，以更好地支持这一完整范围。它能提供更聚焦的回答，根据问题调整详细程度，避免不必要的格式，并在单纯附和没有帮助时给出有益的纠正。对于 Plus 和 Pro 用户，同一个模型现在同时驱动即时回答和更深度的推理，带来一致统一的体验。
更聚焦的回答
ChatGPT 中 GPT‑5.6 Sol 的更新旨在为你提供更直接的回答，使用更紧凑的格式，并在额外细节没有帮助时避免添加。
对于快速提问，这意味着给出一个直接的回答，并附上你所需的背景信息。对于更复杂的工作，比如多步骤规划、研究或写作，这意味着给出更完整的回复，同时让主要建议保持清晰。
我今天下班后能从 Mission 骑车到 Ocean Beach 而不被淋湿吗？
大概率可以。根据今天的预报，我预计你下班后从 Mission → Ocean Beach 骑行会保持干燥。以下是我会提前考虑的情况：
- 降雨： 今晚预计没有明显降雨。
- 风： 在通往海滩的最后一段路程中，你可能会遇到中等强度的西/西北向逆风，阵风约 20–25 mph。这更可能拖慢你的速度，而不是把你淋湿。
- 气温： 预计会有明显下降——从 Mission 的 60 多华氏度（upper 60s）降到 Ocean Beach 的 60 华氏度出头（low 60s）左右（如果海洋层提前移入，还会更冷）。
唯一需要注意的是海岸薄雾。即使没有降雨，Ocean Beach 在傍晚时分也可能因雾或海浪飞沫而让人感觉潮湿。你大概率不会被“淋透”，但如果你穿着棉质衬衫，骑到海滩附近时可能会觉得有点黏湿。我会带的一件东西就是轻便防风外套。另外，如果你打算之后在海滩上逗留，请注意目前有一项海滩危险声明生效，原因是海浪升高和离岸流风险。
假设我大概 5:30 左右出发。
如果你大概在 下午 5:30 左右出发，我会选择去。
以下是我的预期：
- 降雨： 晚间通勤时段仍没有任何降雨迹象。
- 气温： 你离开 Mission 时大约 67°F，等你到达 Ocean Beach 时会降到 60 出头。
- 风： 这是更大的影响因素。预计会有 15–20 mph 的西风，阵风可达约 25 mph，所以向西骑行的最后几英里很可能会明显更吃力。
- 雾： 你有可能在 Great Highway 附近骑进海洋层的边缘。即使有雾，看起来也更像是凉凉的薄雾，而不是真正的降雨。
所以我的预测是：
- Mission → Golden Gate Park： 舒适。
- Golden Gate Park → Ocean Beach： 更凉、风更大，而且可能因为雾而有点潮湿——但 不会湿透。
如果你有轻便防风外套，我会穿上一件，主要是为了挡风，而不是防降水。如果你打算傍晚晚些时候再回去，太阳落山后体感会明显更凉。
GPT-5.6 Sol
是的——你不会被淋湿。今天下班后基本没有降雨预期。更大的影响因素是向西骑行：会遇到明显的逆风，西风大约 10–20 mph，阵风可能更强。
所以：不需要为防降水带雨衣，但去 Ocean Beach 要带一件轻便防风层。
我也可以帮你盯着晚间预报，如果突然出现降雨就提醒你。需要我这么做吗？
假设我大约 5:30 出发。
在下午 5:30，你的情况不错：预报显示整个晚间降水概率为 0%，所以不用担心被淋透。
我还是会带一件轻便防风衣。越接近 Ocean Beach，风和更凉的海边空气会比在 Mission 区明显得多。
GPT‑5.6 Sol 是更强的答案，因为它首先回答了真正的问题，指出主要问题是风而不是雨，并且只保留了骑行者需要的细节。在 5:30 的追问之后，它更新了建议，而没有重复完整的预报。
更可靠的事实
一个有用的答案需要把事实弄对。新的 GPT‑5.6 Sol 旨在减少错误——尤其是当答案依赖于日期、数字、来源、规则或假设时——通过更好地利用它找到的来源来回答你的问题。
在一项针对需要事实细节的金融、医疗和法律提示词的内部评估中，包含至少一处事实错误的回答，在 GPT‑5.6 Luna 上比 GPT‑5.5 Instant 减少了约 62%，在 GPT‑5.6 Sol 上减少了 68%。
从快速回答到深度思考，更加一致
通过这次更新，我们还让 ChatGPT 的 Instant 和 Thinking 体验更加接近，在不同类型的对话中营造出更一致的语调和行为。当你从 Instant 切换到更高算力档位时，应该感觉像是模型花了更多时间来给出更全面的答案——而不是像切换到了一个有着自己语调或风格的不同模型。
Plus 和 Pro 用户可以在网页版、移动端和桌面端的 ChatGPT 中使用新的滑块，选择 ChatGPT 在回答中投入多少思考。日常问题可以保持快速，或者把滑块调高，用于规划、研究、写作、编程或需要更多思考的决策。
扩大免费用户的访问权限
我们正在扩大免费用户对我们最新模型的访问权限，使用 GPT‑5.6 Luna 提供无限文本对话，并新增一个用于更难问题的 Think 按钮。
对于需要更深入推理的问题，免费用户可以点击新的 Think 按钮，让 GPT‑5.6 Luna 有更多时间来完成回答。
安全与可用性
从今天起，Plus 和 Pro 用户可以在 ChatGPT 中访问更新版 GPT‑5.6 Sol 以及新的滑块。
GPT‑5.6 Luna 将于本周成为 Free 和 Go 用户的默认模型。从下周开始，他们还将获得无限量的文本对话，并可访问用于处理更难问题的新 Think 按钮（受滥用防护机制约束）。文件上传、图像和其他工具仍将受到限制。
由于此版本的 GPT‑5.6 Sol 针对日常对话进行了优化，它将仅在 ChatGPT 的 Chat 体验中提供。为 Work 和 Codex 提供支持的 GPT‑5.6 Sol 版本不会作为本次发布的一部分而发生变化。
你可以在我们的系统卡中找到有关安全训练与评估的更多细节，其中概述了我们为支持我们认为未满 18 岁的用户而引入的额外措施。对于这些用户，我们训练模型避免浪漫角色扮演、年龄受限的挑战，以及将自己呈现为现实世界人际关系的替代品。此外，我们围绕性内容、饮食失调与身体形象风险、年龄受限商品、危险活动和血腥暴力应用了适龄边界。最后，当青少年可能需要支持时，模型会鼓励他们与可信赖的人建立联系。我们通过系统级保护强化了这一训练，并新增了针对我们的模型在未满 18 岁用户身上表现的评估，同时正在持续改进这一领域的模型回复。
让更多人获得更多智能
这是朝着更充裕智能迈出的切实一步：让我们最新的模型更广泛地可用，提升人们所获答案的实用性和可靠性，并让免费用户能够不受速率限制地持续进行文本聊天。获取渠道塑造机会，而此次更新让更多人能够持续提问、发展一个想法，并在需要时获得帮助。
Our mission is to ensure that artificial general intelligence benefits all of humanity. We’re introducing updates to ChatGPT that improve everyday conversations while expanding access for Free users.
For Plus and Pro users, we’re updating GPT‑5.6 Sol in Chat to be more reliable with facts and provide more focused answers. A new slider lets you choose how much thought ChatGPT puts into each response.
For Free users, we're updating the default model to GPT‑5.6 Luna and expanding access with unlimited text chats. For questions that need more thought, a new Think button lets you access higher reasoning for harder questions.
GPT‑5.6 Sol, tuned for how you use ChatGPT
Every week, 1 billion people turn to ChatGPT for everything from quick questions and web searches to planning, research, advice, and complex decisions. We’ve updated GPT‑5.6 Sol to better support that full range. It delivers more focused answers, adapts its level of detail to the question, avoids unnecessary formatting, and offers a helpful correction when simply agreeing wouldn’t be useful. For Plus and Pro users, the same model now powers both Instant responses and deeper reasoning, creating one consistent experience.
More focused answers
The updates to GPT‑5.6 Sol in ChatGPT are designed to give you more direct responses, use tighter formatting, and avoid extra detail when it does not help.
For a quick question, that means a direct answer with the context you need. For more involved work like multi-step planning, research or writing, it means a fuller response that keeps the main recommendation clear.
Can I bike from the Mission to Ocean Beach after work today without getting soaked?
Probably yes. Based on today's forecast, I'd expect you to stay dry on a Mission → Ocean Beach ride after work. Here's what I'd plan for:
- Rain: No meaningful rain is forecast this evening.
- Wind: You'll likely have a moderate west/northwest headwind for the last stretch toward the beach, with gusts around 20–25 mph. That's more likely to slow you down than get you wet.
- Temperature: Expect a noticeable drop—from the upper 60s in the Mission to around the low 60s (or cooler if the marine layer moves in early) at Ocean Beach.
The one caveat is coastal mist. Even without rain, Ocean Beach can feel damp from fog or sea spray late in the day. You probably won't get "soaked," but if you're wearing a cotton shirt, you might end the ride feeling a bit clammy near the beach. A light windbreaker is the one thing I'd bring. Also, if you're planning to hang out on the beach afterward, be aware there's a Beach Hazards Statement in effect because of elevated surf and rip current risk.
Assume I'm leaving around 5:30.
If you're rolling out around 5:30 PM, I'd go for it.
Here's what I'd expect:
- Rain: Still no indication of rain during the evening commute.
- Temperature: Around 67°F when you leave the Mission, dropping to the low 60s by the time you reach Ocean Beach.
- Wind: This is the bigger factor. Expect a 15–20 mph westerly wind, with gusts up to around 25 mph, so the final miles westbound will likely feel noticeably harder.
- Fog: There's a chance you'll ride into the edge of the marine layer near the Great Highway. Even if it's foggy, it looks more like cool mist than actual rain.
So my prediction is:
- Mission → Golden Gate Park: Comfortable.
- Golden Gate Park → Ocean Beach: Cooler, windier, and maybe a little damp from fog—but not soaked.
I'd wear a light wind shell if you have one, mostly for the wind rather than precipitation. If you're planning to head back later in the evening, it'll feel significantly cooler once the sun gets lower.
GPT-5.6 Sol
Yes — you should stay dry. There’s essentially no rain expected after work today. The bigger factor is the ride west: expect a noticeable headwind, with west winds around 10–20 mph and potentially stronger gusts.
So: no rain shell needed for precipitation, but bring a light wind layer for Ocean Beach.
I can also keep an eye on the evening forecast and alert you if rain suddenly appears. Want me to?
Assume I'm leaving around 5:30.
At 5:30 PM, you’re in good shape: the forecast has 0% precipitation through the evening, so getting soaked shouldn’t be a concern.
I’d still bring a light windbreaker. As you get closer to Ocean Beach, the wind and cooler coastal air will be much more noticeable than in the Mission.
GPT‑5.6 Sol is the stronger answer because it answers the real question first, identifies wind rather than rain as the main issue, and keeps only the details the rider needs. After the 5:30 follow-up, it updates the recommendation without repeating the full forecast.
More reliable facts
A useful answer needs to get the facts right. The new GPT‑5.6 Sol is designed to make fewer mistakes—especially when answers depend on dates, numbers, sources, rules, or assumptions—by better using the sources it finds to answer your question.
In an internal evaluation of financial, medical, and legal prompts requiring factual detail, responses containing at least one factual error were about 62% less common with GPT‑5.6 Luna and 68% less common with GPT‑5.6 Sol than with GPT‑5.5 Instant.
More consistent, from quick answers to deeper thinking
With this update, we’re also bringing ChatGPT’s Instant and Thinking experiences closer together, creating a more consistent tone and behavior across different kinds of conversations. When you move from Instant to higher effort, it should feel like the model is taking extra time for a more comprehensive answer—not like you’re switching to a different model with its own tone or style.
Plus and Pro users can use the new slider in ChatGPT on web, mobile, and desktop to choose how much thought ChatGPT puts into an answer. Keep it quick for everyday questions, or move the slider up for planning, research, writing, coding, or decisions that need more thought.
Expanding access for free users
We’re expanding access to our latest models for free users with unlimited text chats using GPT‑5.6 Luna, plus a new Think button for harder questions.
For questions that require deeper reasoning, Free users can tap the new Think button to give GPT‑5.6 Luna more time to work through the answer.
Safety and availability
Plus and Pro users can access the updated version of GPT‑5.6 Sol and the new slider in ChatGPT starting today.
GPT‑5.6 Luna will become the default model for Free and Go users this week. Starting next week, they’ll also have unlimited text chats and access to a new Think button for harder questions (subject to abuse guardrails). Limits will still apply for file uploads, images and other tools.
Because this version of GPT‑5.6 Sol is optimized for everyday chats, it will only be available in the Chat experience in ChatGPT. The version of GPT‑5.6 Sol that powers Work and Codex is not changing as part of this release.
You can find more detail on safety training and evaluations in our system card, which outlines additional measures we’ve introduced to support users we believe are under 18. For these users, we trained the model to avoid romantic roleplay, age-restricted challenges, and presenting itself as a substitute for real-world relationships. In addition, we applied age-appropriate boundaries around sexual content, eating disorders and body-image risks, age-restricted goods, dangerous activities, and graphic violence. Finally, the model encourages connection with trusted people when a teen may need support. We reinforced this training with system-level protections and have added new evaluations for how our models perform for users under 18, and are continuing to improve model responses in this area.
More intelligence for more people
This is a concrete step toward more abundant intelligence: making our latest models more widely available, improving the usefulness and reliability of the answers people get, and letting free users keep text chats going without a rate limit. Access shapes opportunity, and this update gives more people the ability to keep asking, develop an idea, and get help when they need it.