Helicone vs Langfuse

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

	Helicone LLM observability and cost tracking via proxy or async logging.	Langfuse Open-source LLM observability, eval, prompt mgmt.
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	+ Open source; full self-host option + Broad coverage (trace + eval + prompts) + Provider-agnostic
Tradeoffs	− Proxy adds a small latency hop (mitigated by async mode)	− Self-host adds ops burden vs SaaS
Used in stacks	13	4