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DeepEval vs Phoenix

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

Decision brief

Best overall

Phoenix

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

Open-source option

Phoenix

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: DeepEval

Check before choosing

DeepEval has no developer reviews yet.DeepEval has no public adoption proof yet.Phoenix has no developer reviews yet.Phoenix has no public adoption proof yet.

Evidence links

DeepEval docsDeepEval repoPhoenix docsPhoenix repo

Missing evidence and weekly return

DeepEval: verified adoptionDeepEval: benchmark dataPhoenix: verified adoptionPhoenix: benchmark data

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

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

Most developers reading a head-to-head are picking what to ship this week. Take the DeepEval vs Phoenix 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 DeepEval vs Phoenix

DeepEval docsDeepEval GitHubPhoenix docsPhoenix GitHub
Build packetDraft proof page
Feature Comparison
DeepEval logo

DeepEval

Observability

Pricing
Open source
Open source
Yes
API
Not listed
Rating
No reviews
GitHub
18,508 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.
Phoenix logo

Phoenix

Observability

Pricing
Open source
Open source
Yes
API
Available
Rating
No reviews
GitHub
11,656 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
DeepEval logoDeepEval
Phoenix logoPhoenix
CategoryObservabilityObservability
PricingOpen sourceOpen source
Open source

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.

No live product opportunities yet

You can still use the workbench: build a stack, publish proof, and follow starter challenge programs. New credits, workshops, and launch programs appear here once companies publish them.

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  • Status
API available
RatingNo reviewsNo reviews
GitHub stars
18,508
11,656
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.