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Phoenix vs Arize Phoenix
Side-by-side comparison of features, pricing, and ratings
Pricing
Freemium
Freemium
Plans
$0/mo (open-source)
$0/mo (managed cloud)
Custom
Free
Contact for pricing
Popularity
7.0k views
7.3k views
Skill Level
Intermediate
Intermediate
API Available
Platforms
WebAPICLI
WebAPICLI
Categories
💻 Code & Development📊 Data & Analytics
💻 Code & Development📊 Data & Analytics
Features
Agent tracing: prompts, retrievals, tool calls, outputs
LLM-as-judge evaluations for scoring outputs
Annotation workflows with human review
Dataset creation from traces
Experiment runner for hypothesis testing
Prompt IDE for iterative prompt optimization
Evaluation on cost, latency, and performance
Self-hosting on Docker or Kubernetes
Cloud instances with no infrastructure setup
Vendor-agnostic: support for any model or framework
OpenTelemetry native support
LLM call tracing with latency and metadata
Built-in evaluation for response quality and safety
Real-time monitoring dashboards
Offline dataset analysis and replay
Integration with LangChain, LlamaIndex, OpenAI
Custom evaluation metrics and scoring
Trace visualization and debugging
Automated drift detection
Prompt versioning and comparison
Export data to JSON, Parquet
Collaborative annotation and review
REST API for programmatic access
OpenTelemetry-compatible instrumentation
Alerts and notifications for anomalies
Self-hostable or cloud-managed deployment
Integrations
LlamaIndex
OpenTelemetry
NVIDIA NeMo Agent Toolkit
Docker
Kubernetes
LangChain
OpenAI
Anthropic
Hugging Face
Cohere
Weights & Biases
MLflow
Kubeflow
Apache Arrow
Databricks
Amazon SageMaker
Google Vertex AI
Azure OpenAI