Cost comparison · last verified 2026-10-24

Langfuse vs Helicone cost

Answer: As of 2026-10-24, Langfuse offers a free plan (50k units/mo; all platform features with limits; no card) and states paid entry as $29/mo (100k units, +$8/100k); Helicone offers a free plan (10,000 free requests; 1 GB storage; 1 seat) and states paid entry as $79/mo. Numbers are copied from each vendor’s own pricing page — we do not invent unit rates.

Key stats

Side-by-side data

FieldLangfuseHelicone
CategoryLLM observabilityLLM observability
Free planHobbyHobby
Free limits50k units/mo; all platform features with limits; no card10,000 free requests; 1 GB storage; 1 seat
Paid from$29/mo (100k units, +$8/100k)$79/mo
Pricing modelUnits-basedTiered + per-request/storage usage
Card requiredNonot stated
Last verified2026-10-242026-10-24
Sourcepricing ↗pricing ↗

Gotchas

Langfuse

None recorded.

Helicone

  • Single-user limit: you pay as soon as a second person needs access.

Related

Observability Cost & Stack Audit · $149

Get a free savings estimate for your stack

Choosing between Langfuse and Helicone? The automated audit uses the same verified rates — free estimate, full report $149.

Start free audit estimate → Get the weekly newsletter

Get weekly pricing-change alerts

When either vendor moves a free tier or price, we log it with a source.

Cite this

Copy for AI tools, writers and procurement docs. Attribution requested under CC BY 4.0.

Data: Langfuse vs Helicone comparison as of 2026-10-24. Source: O11y Watch (https://o11y-watch.pages.dev). License: CC BY 4.0. Please attribute "O11y Watch" with a link to https://o11y-watch.pages.dev/.