Embedding models and dimensions
When you create an encoding config in Knowledge (or Settings), you choose an embedding provider and model. The dimensions value must match the model’s output size. Use this table to look up dimensions for common models.
| Model name | Dimensions |
|---|---|
| nomic-embed-text | 768 |
| all-minilm | 384 |
| mxbai-embed-large | 1024 |
| text-embedding-3-small | 1536 |
| text-embedding-3-large | 3072 |
| text-embedding-ada-002 | 1536 |
In the app: If you use a local (Ollama) embedding provider, the model dropdown in Knowledge may show dimensions next to each model name (e.g. nomic-embed-text (768d)). Selecting a model can auto-fill dimensions; you can still change the value if needed.
Ollama: Pull an embedding model first, e.g. ollama pull nomic-embed-text. Dimensions for known models are shown in the app; for others, check the model card or use the value from your provider’s documentation.
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