Company
Math Is Fun
Sample prompts where it appears
What are the best free high school supplement course publishers for extra practice in core subjects?
Brands:Ck 12,Khan Academy,Openstax,
Google,School Yourself
What are the best free subject-learning blogs for practice problems and beginner-friendly explanations?
Brands:Khan Academy,Paul S Online Math Notes,Math Is Fun,Art Of Problem Solving,Ck 12
Can you recommend homework help article sites for middle school students learning math and science?
Brands:Khan Academy,Ck 12,Britannica School,Math Is Fun,Desmos
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Obsurfable records AI answers to buyer-style prompts in its research corpus (3 observations for this page). Metrics are distributions over observations, not a single static ranking.
Which AI systems does Obsurfable collect answers from?
OpenAI, ChatGPT, Google, Gemini, Google AI Mode, Anthropic, Claude, Perplexity, Grok, DeepSeek, Mistral, Copilot, and Meta AI.