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AiQL runs a family of pre-trained models, each specialized for one job. Convert uses layout and OCR. Shape and extract use pipeline language models. Queries use answer models over embeddings of the knowledge layer. This handbook does not name the checkpoints.

Layout

Finds regions on each page before any text is read.

OCR

Reads those regions, with dedicated passes for tables, formulas, charts, and seals.

Pipeline

Infers or applies a schema, then extracts entities and relationships.

Answers

Reasons over the workspace knowledge layer in ask, reason, or build mode.

Embeddings

Vectors for queries, schema names, and instances. Retrieval fuses exact, lexical, and semantic match.