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ghfs vs TestFlows Machine

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

ghfs compared with TestFlows Machine
Detailghfs logo ghfsTestFlows Machine logo TestFlows Machine
What it doesGitHub Issues as local files for coding agents Run your programs deterministically. Record, replay, and branch your runs.
StageStartup Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelFreemium Freemium
PricingFree: 1 repository, issues, background sync. Hobby: $5/mo or $48/yr (save 20%), unlimited repositories, all issues, background sync. Pro: $15/mo or $144/yr (save 20%), everything in Hobby plus projects, discussions, and pull requests (coming soon). Enterprise: contact for pricing. Free: €0 with ₡3 credits included each month (about 20 vCPU-hours). Starter: €10/month with ₡25 credits (about 166 vCPU-hours). Plus: €25/month with ₡65 credits (about 433 vCPU-hours). Pro: €50/month with ₡150 credits (about 1,000 vCPU-hours). Dedicated: contact sales. Usage credits: €1 a credit, pu
Key features
  • Project-level AI rules - Write configuration files for Claude Code, Cursor, Copilot, and other agents
  • Three-command setup - curl, ghfs init, and ghfs to get started
  • Record runs with non-deterministic inputs pinned down
  • Replay runs instruction-by-instruction
  • Checkpoint and fork from any point
  • Fault injection for disk, network, clock, containers and system calls
  • Built-in debugger for machine programs
  • Machine client and Python SDK
  • Cloud storage for runs and disk images
  • Multiple simultaneous sessions with configurable vCPUs
  • Configurable session disk up to 256G
What makes it different
  • Read-only design guarantees no unintended issue modifications
  • Deterministic replay of program runs with identical outcomes
  • Fork and branch from any point without losing original timeline
  • Comprehensive fault injection testing built-in
  • Pay-as-you-go usage credits with free plan available
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)Not checked yet no change since last check2 no change since last check
Trust Flow (Majestic)04
Citation Flow (Majestic)1521
Referring domains (Majestic)1627

5 details filled in for both companies.

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