Helicone vs Langtrace

Pick two tools from the same category to compare side-by-side.

	Helicone LLM observability and cost tracking via proxy or async logging.	Langtrace Open-source, OpenTelemetry-based end-to-end observability tool for LLM applications.
Category	observability	observability
Vendor type	hybrid	open source
Pricing	freemium	freemium
Strengths	+ Drop-in proxy integration + Cost dashboards readable by non-engineers + Open source with managed option	+ OpenTelemetry-native traces avoid vendor lock-in + Open-source SDKs and dashboard, self-hostable + Python and TypeScript support with framework and vectorDB integrations + Free tier for individual developers
Tradeoffs	− Proxy adds a small latency hop (mitigated by async mode)	− Smaller ecosystem than larger commercial platforms − Free tier capped at 5k spans per month
Used in stacks	13	0