Anki: Kaishi 15k

The "Anki Kaishi 15k" story typically refers to the massive undertaking of completing the Kaishi 1.5k/15k Japanese deck, a legendary resource in the language-learning community known for its comprehensive approach to vocabulary through sentence mining and immersion. The Core of the "Story"

The narrative surrounding this deck is usually one of dedication and endurance. Completing a 15,000-card deck is a marathon that defines a learner's journey from beginner to advanced fluency.

The Foundation: Most learners start with the Kaishi 1.5k (the "Essential" version) to build a base of high-frequency words using high-quality native audio and clear example sentences.

The Leap to 15k: The full Kaishi 15k represents the expansion into a massive range of vocabulary found in daily life, literature, and media.

Spaced Repetition Mastery: The story is built on the Anki Spaced Repetition System (SRS), where the learner battles the "forgetting curve" daily. Reviewing 15,000 cards means managing a "plateau" where new cards are balanced by a constant stream of reviews. Key Milestones in the Journey

The Starting Line: Beginners often set a limit of 10–20 new cards per day. At this rate, the "story" of the 15k deck lasts roughly 2 to 3 years of daily discipline.

The Daily Grind: Learners describe the "Anki Hell" phase, where review counts can spike to hundreds per day. Success stories emphasize the importance of unlimited review limits to ensure no knowledge slips through the cracks. anki kaishi 15k

The Immersion Shift: As the deck progresses, the story shifts from "memorizing flashcards" to "recognizing the world." Words seen in Anki begin to pop up in anime, manga, and news, validating the thousands of hours spent clicking "Good" or "Again."

C2 Achievement: Consistently finishing a 15,000 to 20,000-word vocabulary set is widely regarded by the community as reaching a C2 (mastery) level of vocabulary. Why This Deck?

The Kaishi 15k is often chosen over others because it integrates pitch accent graphs and contextual sentences, making the "story" of learning more about natural communication than just isolated word definitions. Are you planning to start this deck, or

What is the "Anki Kaishi 1.5k"? Correcting the 15k Typo

Let’s address the elephant in the room. There is currently no official "Kaishi 15k." The keyword "Anki Kaishi 15k" is a search error born from desire. Users want a 15,000-card version of the most user-friendly Japanese deck ever made.

The actual deck is "Kaishi 1.5k" (1500 cards). "Kaishi" (開始) means "start" or "beginning." This deck is designed to be the only beginner deck you need before transitioning to native media.

Is there a "Kaishi 2k" or "Kaishi 10k" in development?

According to the development team's GitHub and Discord activity (checked as of 2025), there are sporadic efforts to create a "Kaishi 3k" or a specialized "Verb deck." However, the core team remains committed to the philosophy that pre-made decks beyond 2k are harmful. The "Anki Kaishi 15k" story typically refers to

Why? Because after 2000 words, "frequency" becomes domain-specific. The most frequent word for a salaryman is "会議" (meeting). For a high school student, it is "補習" (extra class). A generic 15k deck forces you to learn words you will never use.

Review-load management

Cap mature new cards/day to keep daily reviews under a target (e.g., 60–90 reviews/day).
Use filtered decks to temporarily focus on weak cards or an upcoming exam subset.
Use lapses settings conservatively: longer intervals for hard cards, leech handling to suspend repeatedly failing cards.

Conclusion

The "Anki Kaishi 15k" does not exist, but it represents a beautiful desire: the wish for a smooth, well-paved road from zero to fluency. The creators of Kaishi gave you the first mile of that road. They cleared the forest, laid the asphalt, and painted the lines.

Your job is to take the baton. Use Kaishi 1.5k to learn how to learn. Then, use the tools of sentence mining to build the remaining 13,500 words yourself.

Stop searching for a deck that doesn't exist. Start reviewing the one that does. In 6 months, you won't be looking for "Kaishi 15k" — you will be reading manga, scrolling Twitter in Japanese, and laughing at how easy it all became.

Ganbatte! Start with Kaishi. End with fluency.

Keywords integrated: Anki Kaishi 15k, Kaishi 1.5k, Japanese Anki deck, sentence mining, pitch accent, i+1, Core 2k vs Kaishi. What is the "Anki Kaishi 1

This guide covers what the deck is, why it’s better than alternatives like Tango or Core 2k/6k, and how to use it effectively.

Deep Dive: What Makes the Kaishi 1.5k Superior?

If you are going to use this deck as your foundation for reaching 15k vocabulary, you need to understand its architecture.

Kaishi 1.5k vs. The Competitors: A Head-to-Head Breakdown

To understand the hype, you must understand what Kaishi fixes from older decks.

The Verdict: The Kaishi 1.5k is the first deck built for the immersion learner. If you plan to watch Shirokuma Cafe, read Yotsubato!, or play Animal Crossing in Japanese, Kaishi is your launchpad.

2. Pitch Accent (The Game Changer)

Unlike the Core decks, Kaishi shows you the pitch accent for every word using the standard numbering system (0,1,2,3,4,5). If you want to sound like a native speaker later (at the 15k level), fixing your pitch now is essential. Kaishi builds the neural pathways early.