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hyperopt.dev vs Refactron™

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

hyperopt.dev compared with Refactron™
Detailhyperopt.dev logo hyperopt.devRefactron™ logo Refactron™
What it doesAutoML that just works. Keep training local. The verification layer for AI code change
StageMVP MVP
FoundedNot given Not given
Based inNot given Not given
Pricing modelFree trial Freemium
PricingFree beta with no billing. Paid plans launching in the future; pricing not yet announced. Join the waitlist for paid plans without payment or purchase commitment. Free plan: $0/mo with 500 verifications/mo and unlimited local CLI runs. Pro: $59/mo with 10,000 verifications/mo (early access). Scale: $300/mo with 100,000 verifications/mo (early access). Enterprise: Custom pricing (early access).
Key features
  • Python SDK for tuning suggestions
  • Local model training with remote suggestions
  • Supports classification and regression
  • Included CPU demo workloads
  • Efficient observation budget allocation
  • Model ranking and selection
  • Reference scheduler implementations
  • HTTPS secure communication
  • Verify arbitrary diffs from agents, codemods, or humans
  • Three-verdict system: SAFE, UNSAFE, UNPROVEN
  • Runs test suite on isolated shadow tree copy
  • Changed-line coverage attestation for Python
  • Reproducible verification report with audit-grade record
  • MCP server for AI agents to verify before landing
  • CI gate that blocks unsafe merges
  • Syntax and imports validation gates
  • Runs locally with no code upload to external service
What makes it different
  • Trains locally, not on the service—your models and data stay on your computer
  • Efficient tuning using only half the observation budget of full training
  • Outperforms reference schedulers in benchmarks on diverse datasets
  • Free beta with no billing or account costs
  • Only system that proves changed lines are actually tested, not just that tests pass
  • Works with any AI coding agent and integrates via MCP
  • Code never leaves your machine; runs entirely locally
  • Free local CLI with unlimited verifications, paid only for managed infrastructure
Community votes00
DR (Domain Rating by Ahrefs)Not checked yet no change since last check2 no change since last check
Trust Flow (Majestic)30
Citation Flow (Majestic)1315
Referring domains (Majestic)24

6 details filled in for both companies.

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