Each guide compares a different product shape and ends with a test you can repeat.
ChatGPT Free is a strong general-purpose starting point with multiple tools, but each capability can have its own current usage limit. Verify the official Free Tier FAQ.
Best for: General assistant quality and tool limitsCopilot is a useful choice for web-grounded answers and Microsoft workflows. Compare account requirements, citations, model access, and regional availability.
Best for: Web grounding and Microsoft ecosystem fitGemini is a strong free candidate for users in the Google ecosystem. Test current model access, source behavior, file tools, and account data controls.
Best for: Google ecosystem and multimodal assistancePerplexity is the clearer first test when citations and research navigation are central; general assistants can be better for drafting and transformation.
Best for: Source-forward research versus general assistancePolyBuzz is a category-specific free option for fictional characters and roleplay, not a substitute for a source-grounded general assistant.
Best for: Character roleplay versus factual assistance