What free users should test
Try five tasks you actually repeat: one email, one research question, one coding or spreadsheet task, one image or mobile task and one long explanation. Keep the outputs and compare which one you would actually use.
A free plan that fits your daily workflow is better than a paid plan you open once a week.
When to upgrade
Upgrade when the free version blocks work you do often: file analysis, longer conversations, stronger models, image features, voice, workspace features or higher limits.
Do not upgrade because a benchmark says one model wins. Upgrade because the paid plan saves you time every week.
Best free workflow
Use ChatGPT when you need a broad assistant and Gemini when the task starts from Google context. For important facts, use sources and verify regardless of which free tool answered first.