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hotpath-rs vs KMF Lab

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

hotpath-rs compared with KMF Lab
Detail hotpath-rs KMF Lab
What it doesA Rust performance profiler for finding CPU, memory, async, SQL, HTTP, I/O and lock bottlenecks Custom RHETOR8™ tenants for document citations
StageNot given Not given
FoundedNot given Not given
Based inPL Not given
Pricing modelOpen source Not given
PricingFree and open source under MIT license Not given
Key features
  • Time, CPU & memory profiling
  • Async observability for futures, channels and streams
  • I/O monitoring for files, TCP and compression streams
  • SQL query profiling for sqlx and Diesel
  • HTTP calls profiling for reqwest and ureq
  • HTTP server profiling for axum routes
  • Concurrency metrics for Mutex and RwLock
  • Tokio runtime monitoring
  • Prometheus & Grafana integration
  • CI regression detection with automatic benchmarking
  • Signed, checkable citations
  • Exact passage and page number extraction
  • Rhetorical Contours™ quote selection
  • Source verification
  • Expandable quotes
  • KMF Leaderboard for GitHub sponsors
  • Encrypted sponsor conversations
What makes it different
  • No overhead when disabled—all macros compile to no-ops
  • Deterministic instruction counts with Callgrind for stable CI regression checks
  • Instruments real applications with real workloads, not isolated benchmarks
  • MCP server for AI agent integration
  • Live TUI dashboard and static reports
  • Question to citation in one step
  • Finds the passage that makes your point, not just one that shares your words
  • Documents answer in their own words
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)54 +2 (up) since last checkNot checked yet no change since last check
Trust Flow (Majestic)130
Citation Flow (Majestic)3417
Referring domains (Majestic)15111

3 details filled in for both companies.

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