Access GPT-5.5, Claude Opus 4.6, and Gemini 3.1 Pro in one place. Pay per conversation — no monthly fee.
Start chatting free$3 free credit for new accounts. No credit card required.
All the models, one chat interface
ChatGPT Plus gives you one model — GPT-5.5 — for $20/month. Usage caps still apply. You can't switch to Claude or Gemini without opening a different app and paying again.
ATXP Chat gives you every frontier model in one interface, and you only pay for conversations you actually have. Most users spend $3–5/month.
Same access to GPT-5.5. More models. Lower cost.
Use GPT-5.5 for as long as you want. No hourly caps, no "you've reached your limit" walls.
Claude writes better long-form content. GPT is better at code. Use the right model for each task — without a second subscription.
Don't use AI much this month? Don't pay for it. No sunk cost, no "I need to get my money's worth" pressure.
New accounts get $3 in credit instantly. No credit card. Enough for hundreds of conversations before you spend anything.
Sign up and get $3 in credit. No credit card required.
Select any model from the menu. GPT-5.5 is right there.
Same GPT-5.5. Same quality. Pay only for what you use.
$3 free credit. No credit card. Switch models anytime.
Start chatting free