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Unstract

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LLM Whisperer

82 reviews

LLM Whisperer by Unstract extracts text from complex documents and optimizes it for LLMs in a way they can best understand. Make text extraction effortless with a format-agnostic technology and get highly accurate OCR for any document: small or big, simple or complex. Always get precise results and don’t let document complexities hold you back anymore. Key Features and Benefits: - Control extraction modes: Ensure highly efficient, accurate, and cost-effective text extraction with different extraction modes: Native Text, Low Cost, High Quality, or Form. - Auto-compaction: Save big on token usage with Auto-Compaction that intuitively compacts non-value adding tokens - all while ensuring layout preservation. - Image pre-processing: Control API parameters like Median Filter or Gaussian Blur for high quality pre-processing. - Layout-preserving output: Maintain the original document’s layout and ensure maximum context for LLMs. - Form element detection: Make data extraction from complex forms easy with Checkbox and Radio Button identification. - API integration: Seamlessly fit LLM Whisperer into your existing systems with Extraction, Status, Highlight, or even Webhook Management RESTful APIs. Start with 100 pages per day for free with the LLM Whisperer Playground. No credit card required. No strings attached.

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Unstract

32 reviews

Unstract automates unstructured data extraction from diverse documents through LLMs and Agentic AI. Built for organizations that manage high volumes of documents in various formats, Unstract helps accurately transform raw data into meaningful insights with minimal human intervention. Its low-code interface makes it easy to configure extraction rules and execute API, ETL or Task workflows. Key Features: - Prompt Studio: Build custom prompts for LLMs to precisely extract specific data points and test outputs - all within a low-code interface. - LLM Challenge: Say goodbye to hallucinations. Increase trust in your outputs by configuring an additional LLM profile and get a result only if there’s a match. - Single Pass and Summarized Extraction: Experience lesser token usage during prompt testing with Single Pass and Summarized Extraction. - Human-in-the-Loop: Designate and loop in reviewers and approvers into the feedback cycle to minimize errors and reduce operational oversight. - Highlighting: Understand where your output was sourced from with source document highlighting for easy quality control and verification. All in a secure-by-design platform. Unstract is SOC 2 Type II and ISO 27001 certified, and GDPR & HIPPA-compliant. Use Unstract any way you like with 3 powerful editions: a) Unstract Cloud b) Unstract On-Prem c) Unstract Open Source (AGPL 3.0 certified) With Unstract, companies have realized: 95% accurate document extraction 80% lesser human touchpoints 20x boost in operational efficiency Get started now with a FREE 14-day trial.

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Ashutosh P.
AP
Ashutosh P.
Learner
04/06/2026
Validated Reviewer
Verified Current User
Review source: Organic

Saves Developer Time with Clear, Context-Rich Extraction

What I like is that many ai models fail to extract and giving unstructured data or messy data but the outputs of llm whisper is much good compare to others and for me like developers it's save time for again and again promting to other ai models and it's data automatically understand and give much better context
Muskan  G.
MG
Muskan G.
04/01/2026
Validated Reviewer
Review source: Organic

Exceptional Accuracy in Complex Document OCR

I use LLM Whisperer for document extraction, especially for OCR processes. It extracts text from complex medical documents and handles handwritten text with high accuracy. I also appreciate that it can extract information even when there is complex overlapping text and from rotated documents. LLM Whisperer is excellent at detecting radio buttons and checkboxes, which was the main reason we switched from Tesseract. The initial setup was very easy, with well-defined documentation. The tool's ability to extract text from unclearly written documents with great accuracy is impressive.
GB
Guillaume B.
04/01/2026
Validated Reviewer
Verified Current User
Review source: Organic
Translated Using AI

Prepare and preserve the layout of the documents for more accurate LLM analyses

What I appreciate most about LLM Whisperer is its ability to automatically prepare complex documents so that they are perfectly understood by language models (LLM). Thanks to its layout-preserving mode, the tool faithfully maintains the structure of the documents, which significantly improves the accuracy of the extractions and analyses performed by the LLMs.

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What is Unstract?

Unstract helps teams turn unstructured documents into structured, usable data. Users can extract data from complex files like invoices, contracts, bank statements, and forms, without the manual annotation or model training that older approaches demand. Unstract offers two solutions: Unstract, a no-code platform for automating document-heavy workflows from end to end, available on the Cloud and Self-Hosted Editions. And, LLMWhisperer, a layout-preserving parser that prepares messy documents for LLM-powered extractions. Together they give developers and enterprises a dependable path from raw documents to clean data, whether through API deployments, ETL pipelines, or full extraction workflows.

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unstract.com