Galileo vs Langfuse

Detailed side-by-side comparison to help you choose the right tool

Galileo

🟡Low Code

AI evaluation

Galileo provides ai evaluation capabilities for teams building and operating AI applications.

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Starting Price

Custom
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Langfuse

🔴Developer

AI observability

An open-source observability and evaluation platform for language-model applications.

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Starting Price

Free
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Feature Comparison

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FeatureGalileoLangfuse
CategoryAI evaluationAI observability
Pricing Plans285 tiers38 tiers
Starting PriceFree
Key Features
  • • Automated hallucination detection using proprietary ChainPoll methodology
  • • Real-time production monitoring for LLM applications with custom alerting
  • • RAG pipeline evaluation covering both retrieval and generation quality
  • • Hierarchical Tracing & Agent Debugging
  • • Production Prompt Management & Versioning
  • • LLM-as-Judge Evaluation Framework

Galileo - Pros & Cons

Pros

  • ✓Luna evaluators are dramatically cheaper than LLM-as-judge — eval coverage can stay on in production
  • ✓End-to-end coverage: evals + traces + guardrails + agent root-cause from one vendor
  • ✓Strong enterprise compliance posture (VPC, audit, SSO) suitable for regulated industries

Cons

  • ✗No public pricing — every conversation starts with sales, which slows POC adoption
  • ✗Heavier and more opinionated than open-source [/tools/langfuse](/tools/langfuse) or [/tools/arize-phoenix](/tools/arize-phoenix) — early-stage teams may find it overkill
  • ✗Luna evaluators are proprietary — verify quality on your domain before assuming they replace LLM-judge in your stack

Langfuse - Pros & Cons

Pros

  • ✓Open source with free self-hosting — full feature parity without usage limits
  • ✓Free Hobby tier on cloud with no credit card — lowest barrier to entry in the category
  • ✓Trace graphs for multi-agent systems are genuinely useful for debugging complex failures
  • ✓Prompt management + evals turns prompt engineering into a systematic, measurable process
  • ✓40,000+ builders using it — extensive community resources and integrations
  • ✓Integrates natively with LangChain, LlamaIndex, OpenAI SDK, and Anthropic

Cons

  • ✗Pro plan units pricing ($8/100k) can add up for high-volume production applications
  • ✗Enterprise SSO requires the $300/month Teams add-on on top of Pro — costly for mid-size teams
  • ✗Self-hosting requires Docker/Kubernetes operational knowledge
  • ✗UI can feel overwhelming for teams who just want simple cost/latency dashboards
  • ✗Real-time alerting features are less developed than commercial-first alternatives like Arize
  • ✗Enterprise tier at $2,499/month is priced for large organizations — no mid-market option

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🔒 Security & Compliance Comparison

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Security FeatureGalileoLangfuse
SOC2—✅ Yes
GDPR—✅ Yes
HIPAA—✅ Yes
SSO—✅ Yes
Self-Hosted——
On-Prem—✅ Yes
RBAC—✅ Yes
Audit Log—✅ Yes
Open Source—✅ Yes
API Key Auth—✅ Yes
Encryption at Rest—✅ Yes
Encryption in Transit—✅ Yes
Data Residency—US, EU, SELF-HOSTED
Data Retention—configurable
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Review GalileoReview Langfuse