A lecture on studying that sticks: every AI model's reply, tested

Summarize this YouTube video from its transcript. Start with one sentence on what it's about, then the key points in order. Give the key points as one short paragraph instead of a list.

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Okay, today's topic is how to study so it actually sticks. The research is pretty clear on three things. First, rereading your notes feels productive but barely works. What works is active recall: close the book and try to answer questions from memory, or explain the idea out loud. Second, spread it out. Studying a topic for 30 minutes on four different days beats two hours the night before. That's spaced repetition, and flashcard apps can schedule it for you. Third, sleep. Your brain consolidates memories while you sleep, so an all-nighter before the exam undoes a lot of your work. Aim for seven to nine hours, especially the night before. A quick bonus tip: mix different types of problems in one session instead of doing twenty of the same kind in a row. It's called interleaving, and it feels harder, but it's what helps you on a real exam.

How the YouTube summarizer's test inputs are scored, with every model's results on all five.

1. GPT-6 Luna

   Passed: Stated all 4 facts with the section.

   The video explains study techniques for students who want their learning to stick. Rereading notes feels productive but is less effective than active recall: close the book and answer questions from memory or explain ideas aloud. Study in spaced sessions—30 minutes on four different days beats two hours the night before—and flashcard apps can schedule repetition. Sleep helps consolidate memories, so aim for seven to nine hours, especially the night before an exam, rather than pulling an all-nighter. As a bonus, mix different types of problems in one session; this interleaving feels harder but helps with real exams.
   
   Worth watching for: It adds no demonstration or other material beyond these study tips.

   518 tokens in, 139 out · 1.9 s · $0.0001 · 1 message on Pro · answered by openai/gpt-6-luna via OpenAI · September 28, 2026

2. GLM 5.3 Flash

   Passed: Stated all 4 facts with the section.

   This video is for students and explains three research-backed study methods that make learning stick, plus one bonus tip.
   
   The key points, in order: rereading your notes feels productive but barely works — instead use active recall, closing the book and answering questions from memory or explaining the idea out loud. Spread study out: 30 minutes on four different days beats two hours the night before, a method called spaced repetition that flashcard apps can schedule for you. Sleep matters because the brain consolidates memories during sleep, so an all-nighter before an exam undoes much of your work — aim for seven to nine hours, especially the night before. As a bonus tip, mix different types of problems in one session instead of doing twenty of the same kind in a row; this is called interleaving, and while it feels harder, it's what helps on a real exam.
   
   Worth watching for: nothing extra — it's a short, direct explanation that the summary fully covers.

   533 tokens in, 206 out (11 of them reasoning) · 3.8 s · $0.0002 · 1 message on Pro · answered by z-ai/glm-5.3-flash via Friendli · September 28, 2026

3. Claude Haiku 5.5

   Passed: Stated all 4 facts with the section.

   This video explains evidence-based study methods for students who want to learn material so it lasts past the exam.
   
   The speaker presents three main points, in order. Rereading notes feels productive but barely works, while active recall works better: close the book and answer questions from memory, or explain the idea out loud. Spreading study over time also beats cramming, so 30 minutes on each of four days outperforms two hours the night before, and flashcard apps can schedule this spaced repetition for you. Sleep matters because the brain consolidates memories overnight, so an all-nighter undoes much of your work; the speaker advises seven to nine hours, especially the night before an exam. As a bonus tip, mix different types of problems within one session instead of doing twenty of the same kind in a row, a technique called interleaving that feels harder but helps on a real exam.
   
   Worth watching for: this transcript has no timestamps, so the summary can't tell you where each point appears in the video.

   725 tokens in, 300 out · 2.0 s · $0.0002 · 1 message on Pro · answered by anthropic/claude-haiku-5.5 via Anthropic · October 7, 2026

4. DeepSeek V4.1 Flash

   Passed: Stated all 4 facts with the section.

   This video explains three research-backed ways to make studying actually stick, aimed at students who want their revision time to count.
   
   The research is clear on three things, plus a bonus tip. First, rereading your notes feels productive but barely works; what works is active recall, closing the book and trying to answer questions from memory or explaining the idea out loud. Second, spread it out: studying a topic for 30 minutes on four different days beats two hours the night before, which is spaced repetition, and flashcard apps can schedule it for you. Third, sleep, because your brain consolidates memories while you sleep, so an all-nighter before the exam undoes a lot of your work; aim for seven to nine hours, especially the night before. A quick bonus tip: mix different types of problems in one session instead of doing twenty of the same kind in a row, called interleaving, which feels harder but is what helps you on a real exam.
   
   Worth watching for: it adds nothing the summary misses.

   548 tokens in, 311 out (101 of them reasoning) · 1.1 s · $0.0005 · 1 message on Pro · answered by deepseek/deepseek-v4.1-flash via Together · October 8, 2026

5. Gemini 3.8 Flash

   Passed: Stated all 4 facts with the section.

   This video is about research-backed study techniques designed to help students retain information more effectively.
   
   Key points:
   Rereading notes feels productive but barely works, while active recall—closing the book to answer questions from memory or explaining ideas out loud—is what actually works. Spaced repetition is also critical, meaning studying a topic for 30 minutes across four different days is better than cramming for two hours the night before, which flashcard apps can schedule. Sleep is essential because the brain consolidates memories during it, meaning all-nighters undo your work, so you should aim for seven to nine hours, especially the night before an exam. Finally, interleaving by mixing different types of problems in one study session instead of doing twenty of the same kind in a row feels harder, but it helps on the real exam.
   
   Worth watching for: it adds nothing the summary misses.

   538 tokens in, 181 out · 1.7 s · $0.0005 · 1 message on Pro · answered by google/gemini-3.8-flash via Google AI Studio · September 28, 2026

6. GPT-6.1 Sol

   Passed: Stated all 4 facts with the section.

   This video explains how to study so learning sticks, for students preparing for exams.
   - Rereading notes feels productive but barely works; use active recall by closing the book and answering questions from memory or explaining the idea out loud.
   - Space out studying: 30 minutes on four different days beats two hours the night before; flashcard apps can schedule spaced repetition.
   - Sleep helps consolidate memories, while an all-nighter undoes a lot of your work; aim for seven to nine hours, especially the night before.
   - Mix different types of problems instead of doing twenty of the same kind in a row; this is called interleaving, and although it feels harder, it helps on a real exam.
   
   Worth watching for: It adds nothing the summary misses.

   518 tokens in, 157 out · 2.4 s · $0.0013 · 1 message on Pro · answered by openai/gpt-6.1-sol via OpenAI · September 29, 2026

7. GLM 5.3

   Passed: Stated all 4 facts with the section.

   This video explains three research-backed ways to make studying stick, aimed at students preparing for exams. Rereading your notes feels productive but barely works; what works is active recall—closing the book and answering questions from memory or explaining the idea out loud. Second, spaced repetition beats cramming: 30 minutes on four different days outperforms two hours the night before, and flashcard apps can schedule this for you. Third, sleep matters because your brain consolidates memories while you sleep, so an all-nighter before the exam undoes a lot of your work—aim for seven to nine hours, especially the night before. A bonus tip is interleaving: mix different types of problems in one session instead of doing twenty of the same kind in a row; it feels harder but it's what helps on a real exam.
   
   Worth watching for: nothing the summary misses—the transcript is a straightforward talk with no demonstration or story.

   533 tokens in, 190 out · 0.9 s · $0.0014 · 1 message on Pro · answered by z-ai/glm-5.3 via Friendli · September 28, 2026

8. GPT-6 Sol

   Passed: Stated all 4 facts with the section.

   This video is about study methods that help information stick, for students preparing for exams.
   - Rereading notes feels productive but barely works; active recall means closing the book and answering questions from memory or explaining an idea out loud.
   - Spaced repetition means spreading study out: 30 minutes on four different days beats two hours the night before. Flashcard apps can schedule it.
   - Sleep helps your brain consolidate memories, so an all-nighter before an exam undoes a lot of your work. Aim for seven to nine hours, especially the night before.
   - As a bonus, interleaving means mixing different types of problems in one session instead of doing twenty of the same kind in a row. It feels harder but helps on a real exam.
   Worth watching for: It adds nothing the summary misses.

   518 tokens in, 237 out (69 of them reasoning) · 2.4 s · $0.0017 · 1 message on Pro · answered by openai/gpt-6-sol via OpenAI · September 28, 2026

9. Claude Haiku 4.5

   Passed: Stated all 4 facts with the section.

   This video explains evidence-based study techniques for retaining information, aimed at students who want to study more effectively.
   
   The key research findings are that rereading notes feels productive but doesn't work well—instead, active recall works better, meaning you should close the book and try to answer questions from memory or explain ideas out loud. Spacing out your studying across multiple days beats cramming: studying a topic for 30 minutes on four different days works better than two hours the night before, a principle called spaced repetition that flashcard apps can automate for you. Sleep is critical because your brain consolidates memories while sleeping, so pulling an all-nighter before an exam undoes much of your preparation work, and you should aim for seven to nine hours of sleep, especially the night before the exam. As a bonus tip, mixing different types of problems in one study session rather than doing twenty identical problems in a row—a technique called interleaving—feels harder but actually helps you perform better on a real exam.
   
   Worth watching for: none—the summary captures all the substantive information the video conveys.

   545 tokens in, 234 out · 3.2 s · $0.0017 · 1 message on Pro · answered by anthropic/claude-haiku-4.5 via Anthropic · September 28, 2026

10. DeepSeek V4 Pro

    Passed: Stated all 4 facts with the section.

    This video explains evidence-based study techniques for students who want to retain material and improve exam performance. Rereading notes feels productive but barely works, so use active recall instead: close the book and try to answer questions from memory or explain the idea out loud. Spread your studying out, because studying a topic for 30 minutes on four different days beats two hours the night before, which is known as spaced repetition and can be scheduled with flashcard apps. Sleep is also essential since your brain consolidates memories while you sleep, so an all-nighter before the exam undoes a lot of your work, and you should aim for seven to nine hours especially the night before. As a bonus tip, mix different types of problems in one session instead of doing twenty of the same kind in a row; this is called interleaving, and it feels harder but helps you on a real exam.  
    Worth watching for: It adds nothing the summary misses, as the transcript is spoken advice without a demonstration, chart, or story.

    522 tokens in, 644 out (436 of them reasoning) · 7.5 s · $0.0027 · 1 message on Pro · answered by deepseek/deepseek-v4-pro-0813 via Wafer · October 8, 2026

11. Kimi K3

    Passed: Stated all 4 facts with the section.

    This video covers three research-backed study techniques that make learning stick, aimed at students who want to study more effectively.
    
    The video explains that rereading notes feels productive but barely works, while active recall, meaning closing the book and answering questions from memory or explaining ideas out loud, is what actually works. It says to spread studying out, since 30 minutes on four different days beats two hours the night before, a method called spaced repetition that flashcard apps can schedule automatically. It stresses that sleep consolidates memories, so an all-nighter before an exam undoes much of your work, and recommends seven to nine hours, especially the night before. Finally, it offers a bonus tip called interleaving: mixing different types of problems in one session instead of doing twenty of the same kind in a row, which feels harder but pays off on a real exam.
    
    Worth watching for: the summary captures everything said, so the video adds nothing the summary misses.

    605 tokens in, 254 out (50 of them reasoning) · 39.5 s · $0.0028 · 1 message on Pro · answered by moonshotai/kimi-k3 via Wafer · September 28, 2026

12. Claude Sonnet 5

    Passed: Stated all 4 facts with the section.

    This video is about evidence-based study techniques for retaining information better, aimed at students preparing for exams. It explains that rereading notes feels productive but doesn't actually help retention, and instead recommends active recall—closing the book and trying to answer questions from memory or explaining ideas aloud. It then covers spaced repetition, noting that studying a topic in short sessions across four different days beats cramming for two hours the night before, with flashcard apps able to schedule this automatically. Sleep is highlighted as essential since memory consolidation happens during sleep, so an all-nighter undermines study efforts; seven to nine hours is recommended, especially the night before an exam. Finally, it offers a bonus tip on interleaving—mixing different types of problems within a single study session rather than repeating the same kind twenty times in a row—which feels harder but better prepares you for real exam conditions.
    
    Worth watching for: nothing beyond this summary—the video is a straightforward explanation of the three techniques and the bonus tip, without added examples, demonstrations, or data.

    723 tokens in, 340 out · 4.1 s · $0.0048 · 1 message on Pro · answered by anthropic/claude-sonnet-5 via Anthropic · September 28, 2026

13. Claude Sonnet 5.5

    Passed: Stated all 4 facts with the section.

    This video explains how to study so that material actually sticks, and it's aimed at students preparing for exams.
    
    The speaker says the research is clear on three things: rereading notes feels productive but barely works, so use active recall instead by closing the book and answering questions from memory or explaining the idea out loud; spread studying out, since 30 minutes on a topic across four different days beats two hours the night before, a method called spaced repetition that flashcard apps can schedule for you; and get enough sleep, because the brain consolidates memories during sleep and an all-nighter undoes a lot of your work, so aim for seven to nine hours, especially the night before the exam. As a bonus tip, the speaker recommends interleaving, which means mixing different types of problems in one session rather than doing twenty of the same kind in a row, and notes that it feels harder but is what helps on a real exam.
    
    Worth watching for: nothing the summary misses, as the transcript is a straightforward spoken list of tips with no demonstration or chart mentioned.

    725 tokens in, 325 out · 3.2 s · $0.0051 · 1 message on Pro · answered by anthropic/claude-sonnet-5.5 via Anthropic · September 28, 2026

14. GPT-6 Astra

    Passed: Stated all 4 facts with the section.

    This video explains how to study so information sticks, for students preparing for exams.
    
    - Rereading notes feels productive but barely works; use active recall by closing the book and answering questions from memory or explaining the idea out loud.
    - Space out studying: 30 minutes on four different days beats two hours the night before. Flashcard apps can schedule spaced repetition.
    - Sleep helps your brain consolidate memories; an all-nighter undoes a lot of your work. Aim for seven to nine hours, especially the night before.
    - Mix different types of problems instead of doing twenty of the same kind in a row. This is called interleaving; it feels harder but helps on a real exam.
    
    Worth watching for: It adds nothing the summary misses.

    518 tokens in, 155 out · 2.5 s · $0.0065 · 1 message on Pro · answered by openai/gpt-6-astra via OpenAI · September 28, 2026

15. Mistral Large 4

    Passed: Stated all 4 facts with the section.

    This video is about how to study so it actually sticks, aimed at students who want to use research-backed methods to improve their retention. First, rereading your notes feels productive but barely works, whereas active recall—closing the book and trying to answer questions from memory or explaining the idea out loud—is what works. Second, spread it out, because studying a topic for 30 minutes on four different days beats two hours the night before, which is called spaced repetition, and flashcard apps can schedule it for you. Third, sleep, since your brain consolidates memories while you sleep, so an all-nighter before the exam undoes a lot of your work, and you should aim for seven to nine hours, especially the night before. A quick bonus tip is to mix different types of problems in one session instead of doing twenty of the same kind in a row, which is called interleaving, and while it feels harder, it is what helps you on a real exam.
    
    Worth watching for: it adds nothing the summary misses.

    530 tokens in, 3,457 out (3,815 of them reasoning) · 47.4 s · $0.0076 · 1 message on Pro · answered by mistralai/mistral-large-4-0 via Mistral · October 9, 2026

16. Grok 4.7

    Passed: Stated all 4 facts with the section.

    This video is about how to study so material actually sticks, for anyone who wants study time to pay off on a real exam.
    The research points to three things: rereading notes feels productive but barely works, while active recall—closing the book and answering questions from memory, or explaining the idea out loud—does; spreading study out, with 30 minutes on four different days beating two hours the night before, is spaced repetition that flashcard apps can schedule; and sleep consolidates memories, so an all-nighter undoes a lot of work, and the aim is seven to nine hours, especially the night before. A bonus tip is interleaving: mix different types of problems in one session instead of doing twenty of the same kind in a row, which feels harder but helps on a real exam.
    Worth watching for: nothing the summary misses—no demonstration, chart, or story is in the transcript.

    1,751 tokens in, 1,002 out (817 of them reasoning) · 13.5 s · $0.0078 · 1 message on Pro · answered by x-ai/grok-4.7 via xAI · October 2, 2026

17. Gemini 3.1 Pro

    Passed: Stated all 4 facts with the section.

    This video is about effective, research-backed study techniques, meant for students or anyone wanting to retain information long-term.
    
    - Active recall, such as closing the book and answering questions from memory or explaining an idea out loud, works much better than just rereading notes.
    - Spreading out study sessions using spaced repetition, like studying for 30 minutes on four different days instead of two hours the night before, is highly effective and can be scheduled with flashcard apps.
    - The brain consolidates memories during sleep, making all-nighters counterproductive, so aim for seven to nine hours of sleep, especially the night before an exam.
    - Interleaving, which means mixing different types of problems in one session instead of doing twenty of the same kind in a row, feels harder but is what helps you on a real exam.
    
    Worth watching for: nothing the summary misses.

    538 tokens in, 1,609 out (1,427 of them reasoning) · 14.5 s · $0.0102 · 1 message on Pro · answered by google/gemini-3.1-pro-preview via Google AI Studio · September 28, 2026

18. Claude Opus 5.5

    Passed: Stated all 4 facts with the section.

    This video explains three research-backed ways to make studying stick, plus a bonus tip, for students who want to learn more effectively before exams.
    
    The research is clear on three things. First, rereading your notes feels productive but barely works; what works is active recall, meaning you close the book and try to answer questions from memory or explain the idea out loud. Second, spread your study out: studying a topic for 30 minutes on four different days beats two hours the night before. This is spaced repetition, and flashcard apps can schedule it for you. Third, sleep matters because your brain consolidates memories while you sleep, so an all-nighter before the exam undoes a lot of your work; aim for seven to nine hours, especially the night before. As a bonus, mix different types of problems in one session instead of doing twenty of the same kind in a row. This is called interleaving, and although it feels harder, it's what helps you on a real exam.
    
    Worth watching for: nothing beyond this summary, since the transcript is a short spoken list of tips with no demonstrations or examples.

    725 tokens in, 420 out (90 of them reasoning) · 4.6 s · $0.0120 · 1 message on Pro · answered by anthropic/claude-opus-5.5 via Google · September 28, 2026

19. Claude Fable 5.1

    Passed: Stated all 4 facts with the section.

    This video explains research-backed study methods that make learning stick, for students who want to prepare for exams more effectively.
    
    The research is clear on three things. First, rereading your notes feels productive but barely works; what works is active recall: close the book and try to answer questions from memory, or explain the idea out loud. Second, spread it out: studying a topic for 30 minutes on four different days beats two hours the night before. That's spaced repetition, and flashcard apps can schedule it for you. Third, sleep: your brain consolidates memories while you sleep, so an all-nighter before the exam undoes a lot of your work; aim for seven to nine hours, especially the night before. A bonus tip: mix different types of problems in one session instead of doing twenty of the same kind in a row. It's called interleaving, and it feels harder, but it's what helps you on a real exam.
    
    Worth watching for: nothing beyond the summary; the transcript is a straight spoken list of tips with no demonstration or visuals mentioned.

    725 tokens in, 321 out · 4.4 s · $0.0251 · 1 message on Pro · answered by anthropic/claude-fable-5.1 via Google · September 28, 2026

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