What platforms does Text GPT support?

Text GPT is available on Web App, iOS and Android.

What are the limitations of Text GPT?

Credits are consumed twice per exchange, once for text segments and once for tokens, which makes costs hard to predict. Image generation is costly at 13,722 credits for the top quality level, roughly a tenth of a $12 pack. The site's own estimate of about 120 questions per $12 depends on answer length and thinking time.

Text GPT

Name: Text GPT
Author: Text GPT

ChatGPT and image generation delivered by text message, no app needed

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Screenshot of Text GPT, ChatGPT and image generation delivered by text message, no app needed

What is Text GPT?

Text GPT is a ChatGPT tool. TextGPT delivers ChatGPT answers and AI image generation over ordinary SMS. You text a number, pick between Luna, Terra and Sol models on your account page, and buy credit packs instead of a subscription.

TextGPT routes OpenAI's models through ordinary SMS, so the interface is the messaging app already on your phone. There is nothing to install and no account to keep open in a browser tab: you text a number, the answer arrives as a reply. The service runs on the GPT-5.6 family with training data through February 2026, and all three tiers have internet access through OpenAI's web search, so questions about current events are handled alongside general knowledge. The practical setup is the interesting part. Three model tiers are available. Luna is the fastest and the cheapest on credits, Terra is the balanced default, and Sol does the deepest reasoning for hard problems. On the account page you pick which tier answers you and how long the assistant should think before replying, and longer thinking is billed like any other writing. Image generation works the same way: start a message with the paintbrush or framed picture emoji, describe the scene, and the picture comes back as a text. Images are made with OpenAI gpt-image-2, and you also text a photo to ask about it or to request an edit such as removing a background or recoloring the sky. This suits people who want AI answers without another tab, another login or a subscription: commuters, field workers, anyone who finds typing on a phone easier than navigating a chat product. The economics are the tradeoff. Credits are bought in packs rather than billed monthly, and every exchange draws on them twice, once for the text segments sent and received and once for the model's token usage. The site estimates roughly 120 questions per $12 pack on the default tier, which varies with answer length and thinking time. Image work is the expensive corner. A draft image costs 1,422 credits, standard 4,242 and the sharpest setting 13,722, messaging included, and each web search adds 600. That makes TextGPT a convenience layer over OpenAI rather than a cheaper route to the same models, and heavy users will want to watch the balance. Memory is optional: messages are stored when it is on, not stored when it is off, and you can delete them at any time.

How do you use Text GPT?

1Create an account and buy a credit pack
Sign up on the site, then choose the $12 pack for 240,000 credits or the $24 pack for 480,000. Credits are the only billing unit; there is no monthly plan to cancel later.
2Set your model and thinking time
Open the account page and choose which tier answers you: Luna for speed and low cost, Terra as the balanced default, or Sol for deeper reasoning. Thinking duration is adjusted here too.
3Pick an image quality level
On the same account page, set image quality to draft, standard or sharpest. Each level has a fixed credit cost, so deciding in advance keeps the balance predictable.
4Text your first question
Send a message to the TextGPT number from your phone. The reply comes back as a normal text, and the exchange is charged per segment plus the model's token usage.
5Generate an image with an emoji prefix
Start a message with the paintbrush or framed picture emoji and describe the image you want, then send. The generated picture returns as a text message.
6Send a photo for analysis or editing
Attach a picture and ask a question about it, or request a change such as removing the background. Questions are priced like any other prompt; edits bill at your image quality level.

Pros and cons

Pros

No app, no install and no subscription: any phone that sends texts can use itAI
Model choice is real, with Luna, Terra and Sol tiers plus an adjustable thinking timeAI
Image generation and photo editing both work by texting a description or an attachmentAI
Web search is built in across all three tiers, so current events are coveredAI
Memory can be switched off, in which case messages are not storedAI

Cons

Credits are consumed twice per exchange, once for text segments and once for tokens, which makes costs hard to predictAI
Image generation is costly at 13,722 credits for the top quality level, roughly a tenth of a $12 packAI
The site's own estimate of about 120 questions per $12 depends on answer length and thinking timeAI
No cloud backup or use of past conversation yet; both are listed as coming soonAI
Long answers arrive as several billed segments because of the 160 character SMS limitAI

How much does Text GPT cost?

Pricing

Credit packs rather than a subscription: $12 for 240,000 credits or $24 for 480,000, which the site puts at around 120 questions per $12 on the default tier. Each exchange charges for text segments (160 characters, or 70 with an emoji) as well as model tokens. Web search costs 600 credits; images cost 1,422, 4,242 or 13,722 by quality.

Learn more

Integrations

Built on OpenAI's GPT-5.6 models and gpt-image-2 for images, reached through standard text messaging. No third party integrations are listed on the homepage.

Features

ChatGPT answers by SMS using the GPT-5.6 family (Luna, Terra and Sol tiers) with internet access through OpenAI web search. Image generation with gpt-image-2 via an emoji prefix, plus photo analysis and edits from a texted image. Account page controls model tier, thinking time and image quality. Memory is optional and messages can be deleted.

Frequently asked questions about Text GPT

How much does Text GPT cost?
Credit packs rather than a subscription: $12 for 240,000 credits or $24 for 480,000, which the site puts at around 120 questions per $12 on the default tier. Each exchange charges for text segments (160 characters, or 70 with an emoji) as well as model tokens. Web search costs 600 credits; images cost 1,422, 4,242 or 13,722 by quality.
How do you use Text GPT?
The walkthrough on this page covers 6 steps: 1. Create an account and buy a credit pack 2. Set your model and thinking time 3. Pick an image quality level 4. Text your first question 5. Generate an image with an emoji prefix 6. Send a photo for analysis or editing.
What platforms does Text GPT support?
Text GPT is available on Web App, iOS and Android.
What does Text GPT integrate with?
Built on OpenAI's GPT-5.6 models and gpt-image-2 for images, reached through standard text messaging. No third party integrations are listed on the homepage.
What are the limitations of Text GPT?
Credits are consumed twice per exchange, once for text segments and once for tokens, which makes costs hard to predict. Image generation is costly at 13,722 credits for the top quality level, roughly a tenth of a $12 pack. The site's own estimate of about 120 questions per $12 depends on answer length and thinking time.