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OpenLIT vs Heex

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

OpenLIT compared with Heex
DetailOpenLIT logo OpenLIT Heex
What it doesOpen-source agent harness engineering platform built on OpenTelemetry Smart-Data platform for autonomous systems
StageStartup Not given
Founded2024 Not given
Based inIN FR
Pricing modelOpen source Not given
PricingOpen source (Apache 2.0): Free self-hosted with unlimited usage. Enterprise Edition: Contact sales for pricing. Cloud: Coming soon. Not given
Key features
  • OpenTelemetry-native LLM tracing for every call, tool, and retrieval
  • Agent evals with LLM-as-a-judge and heuristics
  • Prompt Hub for versioning and deployment without code changes
  • Guardrails for prompt injection, jailbreak, and sensitive topic detection
  • Vault for encrypted API key management
  • OpenGround for side-by-side LLM model comparison
  • GPU monitoring for utilization, memory, temperature, and power
  • Coding agent observability for Claude Code, Codex, and Cursor
  • Cost tracking and latency monitoring
  • 56+ integrations with LLMs, frameworks, and vector databases
  • Event-based data extraction with configurable triggers at edge or cloud
  • Over-the-air trigger updates
  • Real-time smart anomaly monitoring
  • Cloud infrastructure for secure data storage and analysis
  • No-code data analytics for ROS systems
  • Multi-layered security with OAuth 2.0, JWT and HTTPS TLS
  • Unlimited deployments across autonomous fleet with adaptive SDK
What makes it different
  • Self-host free forever under Apache 2.0 with unlimited usage and no per-trace fees
  • OpenTelemetry-native traces exportable to Grafana, Datadog, or any OTLP backend
  • Zero-code instrumentation with eBPF controller, native SDKs, or GPU collector
  • Unified platform for traces, evals, guardrails, and prompts on the same production data
  • Full data ownership and no vendor lock-in with exportable OpenTelemetry traces
  • Transforms big data into smart data through intelligent filtering at edge or cloud
  • Captures only pivotal scenarios relevant to development needs
  • Improves productivity by reducing data overload and enabling collaboration
  • Supports sustainable development with reduced computational and energy requirements
  • ROS-native platform for seamless robotics integration
Community votes00
DR (Domain Rating by Ahrefs)63 −2 (down) since last check32 +1 (up) since last check
Trust Flow (Majestic)2310
Citation Flow (Majestic)3925
Referring domains (Majestic)483125

4 details filled in for both companies.

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