Yes, you can use ChatGPT for free, and the free plan got noticeably better in August 2026. On August 6, OpenAI announced that text-only chats would no longer have a cap on the Free and Go plans. The default model became GPT-5.6 Luna. Images, file uploads and voice still run on separate limits. Here’s what that means when you sit down to use it.
What the free plan includes
According to TechCrunch and The Next Web, the free plan now gives you:
- Text chats with no daily cap. Ask questions, draft a message, summarize an article you paste in, rewrite a paragraph. Before the change, free users could be dropped to a lighter model after a certain number of messages.
- GPT-5.6 Luna as the default model. Luna is the lightweight member of the GPT-5.6 family and replaced GPT-5.5 Instant for free users.
- A Think button. For harder questions, it gives the model more time to work through the answer. On the free plan it keeps you on Luna rather than switching to the flagship model.
Per the reporting, the unlimited text chats and the Think button arrived the week after the August 6 announcement, and OpenAI said the unlimited use is still subject to abuse guardrails.
What still has limits
“Unlimited” applies to text. TechCrunch says files, images, voice and image generation have separate limits. If you upload a lot of PDFs, generate pictures or talk to ChatGPT out loud, that’s where you’ll see a cap.
The exact numbers for those caps aren’t spelled out in the coverage and can change, so the best reference is the usage screen inside your own account. One more thing to know about the free plan is ads, which are coming to the image generator, as we covered in ChatGPT ads are coming to the image generator.
How to use the Think button
- Open a chat on the ChatGPT website or in the app.
- Write your question with the context that matters: what you want, who it’s for, and the format you’d like back.
- Turn on Think before sending when the question has several steps, like comparing options, building a plan or working through a logic problem.
- Leave it off for quick questions. The standard answer comes back faster.
A practical rule: for health, money or legal questions, treat the answer as a starting point and check an official source. OpenAI says Luna makes 62% fewer factual errors than GPT-5.5 Instant, based on the company’s own evaluation rather than an independent one.
Free, Go, Plus or Pro
Prices below are the ones The Next Web reported:
| Plan | Price | How it differs from free |
|---|---|---|
| Free | $0 | Luna by default, unlimited text, Think button |
| Go | $8 a month | Same unlimited text and Think button, per the coverage |
| Plus | $20 a month | Updated GPT-5.6 Sol and a slider for how much reasoning to use |
| Pro | $200 a month | Updated GPT-5.6 Sol and the reasoning slider |
That table also shows why Go lost some of its appeal. With unlimited text on the free plan, Go only makes sense if you keep hitting the image or file caps. Plus and Pro are a different decision, for people who want the stronger model and control over reasoning.
Getting more out of the free plan
Since text is no longer the bottleneck, the caps that matter are images, files and voice. A few habits stretch them. Paste the relevant text straight into the chat instead of uploading a file when the document is short. Describe the image you want in one detailed request rather than regenerating it several times. And keep related questions in a single conversation, so you don’t have to re-explain the background each time.
When free is enough
For most people, it is. It handles everyday jobs well:
- answering questions and explaining things in plain language;
- writing and editing emails, cover letters and short documents;
- summarizing text you paste into the chat;
- planning study sessions, lists and schedules.
Consider paying if you bump into the image or file caps every week, or if your work depends on the most capable model. If you just want a backup for when you run out of a cap, The Next Web points to free alternatives such as Claude and Gemini.
If you use ChatGPT for things you’d rather keep private, locked chats with a PIN can help, and heavy browsers may want a look at the ChatGPT Chrome extension.
FAQ
Is free ChatGPT really unlimited?
Only for text chats, and OpenAI says there are guardrails against abuse. Files, images and voice have separate caps.
Which model does the free plan use?
GPT-5.6 Luna, which replaced GPT-5.5 Instant as the default on the Free and Go plans.
Do I have to pay to use the Think button?
No. It’s on the Free and Go plans. Plus and Pro get a reasoning slider instead.
Will these rules change?
They can. This guide draws on August 2026 reporting, and default models and limits get adjusted from time to time. Check the limits in your account.
