Company
Duolingo
Sample prompts where it appears
What's the most trusted language learning platforms for immigrants who want structured daily practice and clear progress?
Brands:Duolingo,Babbel,Busuu,Memrise,Rosetta Stone
What are the best language learning platforms for a traveler trying to build daily speaking practice before a trip?
Brands:Italki,Preply,Hellotalk,Tandem,Babbel
Are there any language learning video sites that focus on concise explanations and beginner-friendly lessons?
Brands:Easy Languages,Super Easy Languages,Bbc Learning English,Busuu,Lingq
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
What are the best free niche guides for a self-learner looking for beginner recommendations and practical step-by-step advice?
Brands:freeCodeCamp,
The Odin Project,
Mdn Web Docs,
Kaggle Learn,
Python
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How did Obsurfable measure this?
Obsurfable records AI answers to buyer-style prompts in its research corpus (5 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.