TL;DR: Pay $79 once for lifetime ChatPlayground AI Unlimited access , with 20+ models, side-by-side comparisons, file chat, and unlimited monthly messages.

Credit: ChatPlayground AI

Asking three AI tools the same question shouldn’t require three tabs and a copy-and-paste routine. ChatPlayground AI’s Unlimited Plan puts multiple models in one desktop workspace, with a lifetime subscription available for $79 (reg. $619) through Nov. 8. Pay once, then compare responses without the tab-hopping.

The main attraction is side-by-side comparison. Enter a single prompt and view answers from different models, including options such as ChatGPT, Claude, Gemini, and DeepSeek. With more than 20 models available, you can compare approaches instead of settling on whichever answer arrived first.

That’s useful when you’re exploring a coding problem, refining a prompt, or looking for a different creative direction. One response might offer a clearer explanation; another might suggest an approach worth investigating.…