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LlamaIndex vs AI21

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

LlamaIndex compared with AI21
Detail LlamaIndexAI21 logo AI21
What it doesAI Agents for Document OCR + Workflows Post-train specialized models for your task, creating an AI edge your competitors can't buy
StageNot given Established
FoundedNot given Not given
Based inNot given IL
Pricing modelFreemium Contact for pricing
PricingFree plan with 10,000 monthly credits; Starter at $50/month with 40,000 credits; Pro at $500/month with 400,000 credits; Enterprise with custom pricing. Additional pay-as-you-go credits available. Pricing based on a credit system where 1,000 credits equals $1.25. Not given
Key features
  • Agentic OCR parsing with semantic understanding for complex document layouts
  • Support for 130+ file formats including PDFs, Office docs, images, and spreadsheets
  • Structured data extraction with schema-based, LLM-powered agents
  • Document classification and splitting based on natural language rules
  • Enterprise-grade RAG indexing and retrieval pipeline
  • Handwritten text parsing and structured extraction
  • Table and chart extraction with structured row and column relationships
  • Cloud SaaS or VPC deployment with flexible data residency options
  • Forward-Deployed Researchers provide end-to-end model training and optimization
  • Custom evaluation suite development from real tasks
  • Production-ready deployment with cost-quality trade-offs
  • Deployment flexibility including on-premises and VPC options
  • Data security with no retention and full traceability
  • Continuous model improvement from production traffic
  • Customer ownership of model weights and training recipes
What makes it different
  • 4x cheaper than frontier labs, 5x more accurate than other APIs
  • Auto-correction loops with recursive checks that detect and fix errors automatically
  • Task-specific specialist agents that route content to the right expert
  • HIPAA, GDPR, and SOC2 compliant with enterprise-grade security
  • Customers own specialized models trained on proprietary data, not rented general-purpose models
  • Achieve frontier-level quality at lower costs through specialized training
  • Five years of experience with diverse post-training and optimization methods
  • Models ship production-ready in weeks with ongoing improvement capability
  • Secure deployment with no data retention and auditable access controls
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)82 +1 (up) since last check75 no change since last check
Trust Flow (Majestic)3322
Citation Flow (Majestic)5644
Referring domains (Majestic)103813529

4 details filled in for both companies.

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