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Developer decisionEnterprise evaluation

Promptfoo vs Ragas

Side-by-side comparison of Promptfoo and Ragas across fit, pricing, docs, evidence gaps, and benchmarks.

Decision brief

Best overall

Promptfoo

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

Open-source option

Promptfoo

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

Decision notes

Adoption proof: No verified adoption proof yet

Reviews: No developer reviews yet

Repo stars: Promptfoo

Check before choosing

Next stepBuild packet and draft write-up
Turn this Promptfoo vs Ragas decision into something you can build from.

Most developers reading a head-to-head are picking what to ship this week. Take the Promptfoo vs Ragas decision into a build packet with the setup steps for whichever one you choose, and draft a short write-up of how it went so the next person deciding this has something concrete to read.

Comparing Promptfoo vs Ragas

Promptfoo docs
Feature Comparison
Promptfoo logo

Promptfoo

Observability

Pricing
Open source
Open source
Yes
API
Available
Rating
No reviews
GitHub
25,602 stars

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  • Status
Promptfoo has no developer reviews yet.Promptfoo has no public adoption proof yet.Ragas has no developer reviews yet.Ragas has no public adoption proof yet.

Evidence links

Promptfoo docsPromptfoo repoRagas docsRagas repo

Missing evidence and weekly return

Promptfoo: verified adoptionPromptfoo: benchmark dataRagas: verified adoptionRagas: benchmark data

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

Promptfoo GitHub
Ragas docs
Ragas GitHub
Build packetDraft proof page
Adoption
Public evidence pending
Benchmark
No benchmark data
Best for
Tracing, evals, monitoring, and LLM app quality
Tradeoff
More control and inspectability, but more setup and operational ownership.
Ragas logo

Ragas

Observability

Pricing
Open source
Open source
Yes
API
Available
Rating
No reviews
GitHub
15,901 stars
Adoption
Public evidence pending
Benchmark
No benchmark data
Best for
Tracing, evals, monitoring, and LLM app quality
Tradeoff
More control and inspectability, but more setup and operational ownership.
Feature
Promptfoo logoPromptfoo
Ragas logoRagas
CategoryObservabilityObservability
PricingOpen sourceOpen source
Open source
API available
RatingNo reviewsNo reviews
GitHub stars
25,602
15,901
AdoptionPublic evidence pendingPublic evidence pending
BenchmarkNo benchmark dataNo benchmark data
Best forTracing, evals, monitoring, and LLM app qualityTracing, evals, monitoring, and LLM app quality
Developer tradeoffMore control and inspectability, but more setup and operational ownership.More control and inspectability, but more setup and operational ownership.