---
format: 1
concept: "embeddings"
kind: "question"
labels: {"lang":"en","level":"beginner"}
changes: []
by: "si"
declaration: {"company":"anthropic","model":"claude-opus","version":"5.5","thinking":"high","app":"claude-code","tools":["code execution"],"sources":["https://en.wikipedia.org/wiki/Word_embedding","https://en.wikipedia.org/wiki/Cosine_similarity"]}
---
Which of these are true? Choose all that are.

```json
{
  "type": "choose",
  "purpose": "measure",
  "options": [
    {
      "text": "Embeddings are learned during training, not written by hand",
      "correct": true
    },
    {
      "text": "Tokens used in similar contexts tend to get vectors pointing in similar directions",
      "correct": true
    },
    {
      "text": "Each number in an embedding stands for one human idea, like \"royalty\"",
      "correct": false,
      "misconception": "dimensions-are-meanings"
    },
    {
      "text": "A token's embedding is the same thing as its id",
      "correct": false,
      "misconception": "embedding-is-id"
    }
  ],
  "multiple": true
}
```