Free tools & guides

Resources for AI, agents and search teams

AI search, RAG and agents all depend on fast, relevant retrieval. These free tools help you size, cost and harden the Elasticsearch and OpenSearch clusters underneath them.

Vector Sizing Calculator

Estimate vector index memory for Elasticsearch, OpenSearch and Qdrant side by side, for any vector count, dimension and quantization - with the documented formula behind every number.

  • Three engines side by side
  • Quantization trade-offs
  • Formulas from official docs
Try it free

Hybrid Search Playground

Edit keyword and vector result lists, switch between RRF and score normalization, and watch the fused ranking change. Copy the matching Elasticsearch or OpenSearch query.

  • RRF, min-max, L2, z-score
  • Per-document contributions
  • Copyable query JSON
Try it free

Agent Reliability Calculator

Model an AI agent step by step - success rate, retries, verifiers, tokens - and see end-to-end reliability, cost and latency before you build.

  • End-to-end success rate
  • Cost and latency per task
  • Weakest step highlighted
Try it free

Search Cost Calculator

Estimate Elasticsearch or OpenSearch storage and compute costs from published sizing guidance, with every unit price editable and sourced.

  • Published sizing formula
  • Editable, sourced prices
  • Shareable results
Try it free

Cluster Health Check

Assess your cluster health in 5 minutes. Get a detailed report on performance, reliability, security, and actionable recommendations.

  • 20-question assessment
  • Automated scoring
  • Priority recommendations
Try it free

Best Practices Checklist

32 essential best practices for production Elasticsearch. Interactive checklist covering performance, reliability, security, architecture, and monitoring.

  • 32 production checks
  • Progress tracking
  • Priority labels
Try it free
Comparisons

Choosing a search engine

Side-by-side technical comparisons to help you pick the right retrieval engine for your product.

Why these tools

Practical, free, no signup

Built by practitioners

Created by the engineers who design, tune and operate search clusters for our clients.

Always free

All tools and resources are completely free. No credit card or signup required.

Actionable

Get specific recommendations you can implement immediately.

Need hands-on help?

Our tools give you a starting point. For your specific AI, agent or search challenge, book a free 30-minute call with our engineers.