ToolPicker
ZeroEntropy

ZeroEntropy

35/100

zerank high-accuracy rerankers at low token price.

zeroentropy.dev

// scorecard · 35/100

verified 1mo ago
methodology →
Agent-readiness14/35
Agent registration (api_key)6/9
Public API5/5
OpenAPI spec0/9
MCP server0/9
llms.txt3/3
Reliability & performance0/15
Actively maintained
Production-ready0/4
Updated recently
Pricing6/13
Itemized public pricing6/6
Free tier / trial0/4
Free-tier generosity
Docs & DX2/12
Docs quality
Public API2/2
Quickstart / examples0/2
Security & compliance8/12
SOC 26/6
ISO 270010/2
GDPR0/2
Security / trust page2/2
Openness4/10
Open source0/6
Open / un-gated API4/4
Company maturity0.5/3
Company size0.5/2
Years operating

// rankings · cost per standard workload

#2 in Rerankers$0.25/ 1k rerank searches

zerank-2 $0.025/1M tokens x10M = $0.25/mo (per-token)

zeroentropy.dev/pricing

// overview

ZeroEntropy trains state-of-the-art rerankers (zerank-2 and variants), embeddings (zembed-1), and custom models for production AI systems. Models are lightweight and focused on retrieval/RAG accuracy and low latency where generalist models fall short. Solutions target industries including legal, healthcare, finance, and e-commerce with options for on-prem and enterprise SLAs.

Best for: production AI systems and Search/RAG pipelines needing high-accuracy reranking and embeddings

// pricing

zerank-2$0.025 / MM Tokens
  • Ratelimits: 2,500,000 UTF-8 bytes per minute
  • Weights on HuggingFace
  • Slack community support
zembed-1$0.050 / MM Tokens
  • State-of-the-art embedding model
  • Weights available upon request
  • White glove fine-tuning and evaluation
ze on-premContact Us
  • Model licensing and deployment
  • White glove and priority support
  • Optional evaluations and fine-tuning
Search API Pay-As-You-GoUsage-Based
  • OCR: $1.75 / 1,000 pages
  • Indexing: $0.50 / MB
  • Storage: $0.10 / MB / month
  • Queries: $1.50 / TB queried
  • Reranking: $0.025 / MM tokens
  • Embeddings: $0.05 / MM tokens
EnterpriseContact Us
  • Volume discounts
  • On-prem

// security & compliance

SOC 2 ISO 27001 GDPR HIPAA

// features

  • zerank-2 reranker
  • zembed-1 embedding model
  • context compression
  • query rewriting
  • fine-tuning
  • on-prem deployment

sources