LlamaIndex

LlamaIndex suits developers turning documents into usable context or structured records. Its ecosystem includes a developer framework and the commercial LlamaParse platform for document processing. Keep those offerings distinct: an open-source framework does not make the managed parsing service open source or remove model and infrastructure costs from an application.

A practical workflow

1. Choose the managed document service or the appropriate framework setup.
2. Submit a small permitted document and define the fields or retrieval task.
3. Inspect parsed text, tables and extracted records against the source.
4. Integrate only after testing missing values, errors and usage limits.

Illustrative input

This example describes a task, not a tested output. Adjust the source material and settings to your own situation.

Extract invoice number, supplier, currency and total from a supplied invoice. Return a missing value when the source does not support a field.

Result check: Compare values with the original page and check table structure and decimal interpretation before downstream use.

Access and alternatives

LlamaParse has recurring free monthly credits and paid usage tiers. It is a commercial service, separate from the open-source framework. Parsing modes and extraction consume credits; applications may also incur model, database and hosting charges.

Choose another workflow when its emphasis fits better: RAGFlow for another document-grounded retrieval workflow; Langflow for visual composition of model and retrieval components.