Theia
Catches your AI's hallucinations and flattery, live
Theia launched on July 16, 2026 with 4 votes, #6,023 of 24,623 launches that month and more than 75% of that year's launches.
What it does
Theia is a Chrome extension that was designed to check LLMs like ChatGPT, Gemini, and Claude for hallucinations and sycophancy. Within a few seconds, users can analyze the replies of any of these AI for misleading facts or a flattering tone, with each analysis backed by numerous sources.
Theia fact-checks ChatGPT, Claude, and Gemini as you use them, flagging hallucinations, sycophancy, and claims that don
Theia checks ChatGPT, Claude, and Gemini while you use them, catching hallucinations, sycophancy, and claims that don't hold up, and backing every verdict with real sources. Browsing on your phone? Enter your email to receive the direct 1-click install link on your computer. The reply hallucinates that the Eiffel tower is 200 meters tall, while in reality, it is 330 meters tall. The tower is 330 m tall, about the height of an 81-story building. Grounded checks against primary sources, plus an on device sycophancy checker for your convenience. A gauge sits beside every chat and scores, in real time, how much the model is flattering you versus telling you the truth and which sentences are the…from gettheia.org
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