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Developer decisionEnterprise evaluation

Langfuse vs Promptfoo

Enterprise evaluation of Langfuse and Promptfoo across security, compliance, reliability, procurement evidence, adoption, and market movement.

Decision brief

Best overall

Langfuse

Best combined signal across API availability, docs, adoption, reviews, and ecosystem proof.

Best OSS/self-hosted

Langfuse

Start here when local control, inspectability, or self-hosting matters.

Best managed/production

Langfuse

Strongest shortlist signal for API availability, docs, and operational maturity.

Decision notes

Adoption proof: No verified adoption proof yet

Reviews: No developer reviews yet

Enterprise evidence matrix
Langfuse logo

Langfuse

Observability

Pricing
Freemium
Open source
Yes
API
Available
Rating
No reviews
GitHub

Sponsored perks may appear below, but comparison order, evidence, and decision guidance are not bought placements. Decisions weigh verified usage, public product evidence, projects, saves, comparisons, and buyer requirements. Buyer shortlists stay private unless contact is requested.

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Repo stars: Langfuse

Check before choosing

Langfuse has no developer reviews yet.Langfuse has no public adoption proof yet.Promptfoo has no developer reviews yet.Promptfoo has no public adoption proof yet.

Evidence links

Langfuse docsLangfuse repoPromptfoo docsPromptfoo repo

Missing evidence and weekly return

Langfuse: verified adoptionLangfuse: benchmark dataPromptfoo: verified adoptionPromptfoo: benchmark data

Save this comparison to watch rank movement, new alternatives, docs changes, examples, and benchmark updates.

34,826 stars
Adoption
Public evidence pending
Benchmark
No benchmark data
Commercial model
Inferred

Freemium profile signal; exact enterprise terms need buyer review.

Source
Reliability
Missing

No status page, uptime, or SLA evidence attached

Security/compliance
Missing

No security, trust, or compliance source attached

Integration fit
Source linked

API available with docs/profile signal

Source
Adoption proof
Inferred

Public saves/reviews indicate evaluator interest

Promptfoo logo

Promptfoo

Observability

Pricing
Open source
Open source
Yes
API
Available
Rating
No reviews
GitHub
25,319 stars
Adoption
Public evidence pending
Benchmark
No benchmark data
Commercial model
Inferred

Open source profile signal; exact enterprise terms need buyer review.

Source
Reliability
Missing

No status page, uptime, or SLA evidence attached

Security/compliance
Missing

No security, trust, or compliance source attached

Integration fit
Source linked

API available with docs/profile signal

Source
Adoption proof
Missing

No public adoption proof attached

Feature
Langfuse logoLangfuse
Promptfoo logoPromptfoo
CategoryObservabilityObservability
PricingFreemiumOpen source
Open source
API available
RatingNo reviewsNo reviews
GitHub stars
34,826
25,319
AdoptionPublic evidence pendingPublic evidence pending
BenchmarkNo benchmark dataNo benchmark data
Commercial model
Inferred

Freemium profile signal; exact enterprise terms need buyer review.

Source
Inferred

Open source profile signal; exact enterprise terms need buyer review.

Source
Reliability
Missing

No status page, uptime, or SLA evidence attached

Missing

No status page, uptime, or SLA evidence attached

Security/compliance
Missing

No security, trust, or compliance source attached

Missing

No security, trust, or compliance source attached

Integration fit
Source linked

API available with docs/profile signal

Source
Source linked

API available with docs/profile signal

Source
Adoption proof
Inferred

Public saves/reviews indicate evaluator interest

Missing

No public adoption proof attached