Overview

Rating

10.0 / 10

Rating

Best For

Teams building RAG systems with long contexts

Best For

AI engineering and data teams that need accurate, scalable document ingestion for RAG pipelines

Product Summary

LLM context compression for better accuracy — compresses long contexts to fit more relevant information while maintaining quality.

Product Summary

Unstructured is the leading data-ingestion platform for RAG and AI apps, converting 65+ file formats (PDFs, DOCX, HTML, images, emails) into clean structured outputs ready for LLMs. Free open-source library plus a hosted Serverless API and Enterprise Platform with no-code UI, RBAC, SOC 2/HIPAA/GDPR support.

Starting Price

Free (open source)

Starting Price

$0Per forever

Free Trial

Yes

Free Trial

Yes

Free Version

Yes

Website

compresr.ai

Website

unstructured.io

Key features

Core capabilities each platform advertises.

Compresr

Context compression
Accuracy preservation
Long context optimization
RAG enhancement

Unstructured

Ingests 65+ file formats: PDFs, DOCX, PPTX, HTML, images, emails
Table and form extraction preserving structure
Chunking strategies optimized for RAG (page, section, semantic)
API + SDK access with cloud or self-hosted deployment
Enterprise-grade compliance: SOC 2, HIPAA, GDPR, RBAC

Strengths and tradeoffs

What each tool does well, and the limitations to keep in mind.

Compresr

Pros

Strongest academic credentials in compression with NeurIPS and EMNLP publications
Four-person founding team from EPFL reduces single-founder risk
Open-source Context Gateway creates community adoption funnel
Two-level compression (coarse + fine-grained) is more sophisticated than token-only approaches
SEC filing benchmark demonstrates real enterprise RAG improvement with measurable results

Cons

No disclosed pricing for the paid API tier
No named customers or revenue metrics shared publicly
Competes directly with The Token Company on overlapping value proposition
200x compression claim is for aggressive workloads — default is 50%

Unstructured

Pros

Generous free tier — 15,000 pages on Serverless API with no expiration
Supports 65+ file formats, the broadest in the space
Enterprise-ready: RBAC, audit, SOC 2, HIPAA, GDPR
No-code UI option alongside API for non-engineers
Battle-tested in Fortune 500 production RAG stacks

Cons

What people are saying

Compresr

Data not available

Unstructured

XYZEO reviewXYZEO

The no-code Platform and connector ecosystem allow this product to scale easily in an enterprise environment.

Read full review

Compresr or Unstructured — which should you choose?

Choose Compresr if you wantChoose if you want

Long document processing
RAG context optimization
Token-efficient retrieval
Context window management

Choose Unstructured if you wantChoose if you want

Enterprise document ingestion pipelines feeding RAG systems
Financial and legal document processing at scale
Healthcare record digitization with HIPAA compliance
Knowledge base + intranet search ingestion
Fine-tuning dataset preparation from messy corpora

Compare Compresr and Unstructured on your own traffic

10KFree traces/mo

500+Models

5 minSetup

Respan lets you trace LLM and agent calls across any model or framework, A/B test prompts on production traffic, and route requests across 500+ models through one gateway.

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Compresr vs Unstructured (2026)

Overview

Key features

Strengths and tradeoffs

What people are saying

Compresr or Unstructured — which should you choose?

Compare Compresr and Unstructured on your own traffic

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