Evaluate Duolingo Max powered by GPT-4 against traditional human-led tutoring for preparing employees to pass B2-level CEFR professional exams.
Download run
Fan-out diagram
The searches the AI actually ran for this prompt.
SEED QUERY
Evaluate Duolingo Max powered by GPT-4 against traditional human-led tutoring for preparing employees to pass B2-level CEFR professional exams.
4 real searches · 1 real-search pass
Duolingo Max GPT-4 features Video Call Roleplay Explain My Answer official 2025Google ↗
OBSERVEDOther / navigational
research effectiveness AI language learning chatbots compared human tutoring speaking writing feedback CEFR B2Google ↗
OBSERVEDReason
CEFR B2 descriptors speaking writing listening reading official Council of EuropeGoogle ↗
OBSERVEDDefinition
human tutoring effectiveness meta analysis language learning second language tutoring feedbackGoogle ↗
OBSERVEDReason
Badge and edge weight = share of passes that produced the query. Hover a query for its intent and routing format.
Query classes
Google's semantic query class for every sub-query: what kind of answer each search is after, simulated vs real.
ChatGPT real searches (4)
Classes come from the query-classifier (a local Laya model). 4 of 4 calls are low-confidence (under 50%) — hover a query in the table to see its confidence.
Searches and sources
ChatGPT4 real searches · gpt-6
Duolingo Max GPT-4 features Video Call Roleplay Explain My Answer official 2025 Google ↗
research effectiveness AI language learning chatbots compared human tutoring speaking writing feedback CEFR B2 Google ↗
CEFR B2 descriptors speaking writing listening reading official Council of Europe Google ↗
human tutoring effectiveness meta analysis language learning second language tutoring feedback Google ↗
- Duolingo Max Uses OpenAI’s GPT-4 For New Learning Features · blog.duolingo.com
- Duolingo Launches AI-Powered Video Call for Android · investors.duolingo.com
- Company Strategy Overview · investors.duolingo.com
- cefrlevels.com · cefrlevels.com
- cefrlevels.com · cefrlevels.com
- Does Chatting with Chatbots Improve Language Learning Performance? A Meta-Analysis of Chatbot-Assisted Language Learning - Feifei Wang, Alan C. K. Cheung, Amanda J. Neitzel, Ching Sing Chai, 2025 · journals.sagepub.com
- ERIC - EJ1476911 - Does Chatting with Chatbots Improve Language Learning Performance? A Meta-Analysis of Chatbot-Assisted Language Learning, Review of Educational Research, 2025-Aug · eric.ed.gov
- AI-generated feedback on writing: insights into efficacy and ENL student preference | International Journal of Educational Technology in Higher Education · link.springer.com
- AI-driven chatbots in second language education: A systematic review of their efficacy and pedagogical implications · sciencedirect.com
Queries
4 queries · click a column to sort
| Query / type | Search | Intent | Query class | Routing format | Cluster | Freq ↓ | Weight |
|---|---|---|---|---|---|---|---|
Duolingo Max GPT-4 features Video Call Roleplay Explain My Answer official 2025 OBSERVED | Google ↗ AI Mode ↗ | — | Other / navigational | — | — | 1x of 1 | |
research effectiveness AI language learning chatbots compared human tutoring speaking writing feedback CEFR B2 OBSERVED | Google ↗ AI Mode ↗ | — | Reason | — | — | 1x of 1 | |
CEFR B2 descriptors speaking writing listening reading official Council of Europe OBSERVED | Google ↗ AI Mode ↗ | — | Definition | — | — | 1x of 1 | |
human tutoring effectiveness meta analysis language learning second language tutoring feedback OBSERVED | Google ↗ AI Mode ↗ | — | Reason | — | — | 1x of 1 |