Four rivals. One you.
Every AI chat service has strengths. We're not going to pretend SICKLIEST is the best at everything — it isn't. But pick honestly: here's how we stack up against the big names, feature by feature.
Biggest name. GPT-5 era. Atlas browser. Custom GPT ecosystem. Ad-supported on the free tier since February 2026. Trains on free-tier chats by default.
Open Case File → PATIENT #002 · DATA-HUNGRYGemini 3 era. Deep Google Workspace integration. New Plus tier at $7.99, Ultra at $249.99. Free-tier conversations may be reviewed by humans for product improvement.
Open Case File → PATIENT #003 · PAYWALLEDStrong at long-form writing. Full 1M context now standard. Voice mode in five English voices. Tight free-tier limits push you to $20/mo. Still no image generation in chat.
Open Case File → PATIENT #004 · SEARCH-FIRSTCitation-forward search. Comet browser now on iOS, Mac, and Windows. Spaces with persistent memory. Max tier at $200/mo. Sponsored results showing up in answers.
Open Case File →See which one fits your day.
SICKLIEST is free to start — no credit card, no trial timer, no signup walls. Three quality models, image generation, document signing, web search, voice, and a developer API — all on one account, all sharing the same dose budget. Guest mode works in seconds, so give it a whirl with no strings attached.