Pricing explained · verified 2026-10-24

Langfuse pricing (2026)

Answer: Langfuse lists a free plan (Hobby): 50k units/mo; all platform features with limits; no card. Paid entry is stated as $29/mo (100k units, +$8/100k). Billing model: Units-based. Last verified 2026-10-24 from the vendor’s own pricing page.

Key stats

Data table

FieldValue (as recorded)
Free planHobby
Free tier limits50k units/mo; all platform features with limits; no card
Paid from$29/mo (100k units, +$8/100k)
Pricing modelUnits-based
Card requiredNo
OSS / self-hostYes (self-hosted)
Last verified2026-10-24
SourceOfficial pricing page ↗

Gotchas we recorded

None derived from the plan summary. Read the pricing page’s fine print.

Alternatives in LLM observability

Arize AX / Phoenix

Free tier 25k spans/mo; 1 GB/mo; 10 issues/mo; no card. Phoenix is open source

Braintrust

Free tier $0/month; $10 credits; free usage for traces, evals and whole team; no card

Helicone

Free tier 10,000 free requests; 1 GB storage; 1 seat

Laminar

Free tier $0/month

LangSmith

Free tier $0/seat; up to 5k base traces/mo; 1 seat

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Data: Langfuse pricing summary 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/.
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