Comparison

Arize Phoenix vs Lunary

On the evidence we track, Lunary leads this comparison with a composite score of 69/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Arize Phoenix full profile →Lunary full profile →

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Arize Phoenix48

★Lunary69

Attribute comparison across 2 tools
Attribute	Arize Phoenix	LunaryLeader
Vioscale score	48 / 100low · 18%	69 / 100high · 75%
Pricing
Free tierpricing.free_tier	-	✓
Modelpricing.model	commercial	freemium
Price levelpricing.price_level	-	mid
Starting pricepricing.starting_price	-	$20
Transparentpricing.transparent	-	✓
Integrations
Countintegrations.count	8	20
Security
Gdprsecurity.gdpr	-	✓
Iso27001security.iso27001	-	✓
Soc2security.soc2	-	✓
Vulnerabilitiessecurity.vulnerabilities	Count: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=pypi&package_name=arize-phoenix-client&per_page=100 · Last 12m: 0	-
Reliability
Sla pctreliability.sla_pct	-	99.9
Adoption
Dependent reposadoption.dependent_repos	0	-
Github starsadoption.github_stars	11,203	-
Activity
Commits last 30dactivity.commits_last_30d	100	-
Release
Historyrelease.history	20 items	-
Language
Primarylanguage.primary	Python	-
Market
Availabilitymarket.availability	-	Available worldwide · Popular in US, EU · HQ US

Score

Vioscale score

Arize Phoenix48 / 100low · 18%

Lunary69 / 100high · 75%

Pricing

Free tier

Arize Phoenix–

Lunary✓

Model

Arize Phoenixcommercial

Lunaryfreemium

Price level

Arize Phoenix–

Lunarymid

Starting price

Arize Phoenix–

Lunary$20

Transparent

Arize Phoenix–

Lunary✓

Integrations

Count

Arize Phoenix8

Lunary20

Security

Gdpr

Arize Phoenix–

Lunary✓

Iso27001

Arize Phoenix–

Lunary✓

Soc2

Arize Phoenix–

Lunary✓

Vulnerabilities

Arize PhoenixCount: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=pypi&package_name=arize-phoenix-client&per_page=100 · Last 12m: 0

Lunary–

Reliability

Sla pct

Arize Phoenix–

Lunary99.9

Adoption

Dependent repos

Arize Phoenix0

Lunary–

Github stars

Arize Phoenix11,203

Lunary–

Activity

Commits last 30d

Arize Phoenix100

Lunary–

Release

History

Arize Phoenix20 items

Lunary–

Language

Primary

Arize PhoenixPython

Lunary–

Market

Availability

Arize Phoenix–

LunaryAvailable worldwide · Popular in US, EU · HQ US

Capabilities

Feature-by-feature on the axes that matter for llm observability. “-” means undocumented, not absent.

Capability comparison for Llm Observability
Capability	Arize Phoenix	Lunary
Capabilities
Architecture model	Open source self hosted	Managed cloud saas
Token cost and latency waterfall charts	✓	✓
Opentelemetry openllmetry native export support	✓	✓
Prompt playground and in dashboard replay	✓	✓
Multi step agentic workflow distributed tracing	✓	✓
User feedback score API for thumbs up down tags	-	✗
Pii redaction and prompt content masking	-	✓
Production ab testing of system prompts	✓	✓
Automated anomaly detection for rate limits	-	✓
Native integration with langchain and llamaindex	✓	✓
SOC2 type ii	-	✓
Mit or apache permissive oss license	-	✗
Pricing model	Free open source	Per user seat

Capabilities

Architecture model

Arize PhoenixOpen source self hosted

LunaryManaged cloud saas

Token cost and latency waterfall charts

Arize Phoenix✓

Lunary✓

Opentelemetry openllmetry native export support

Arize Phoenix✓

Lunary✓

Prompt playground and in dashboard replay

Arize Phoenix✓

Lunary✓

Multi step agentic workflow distributed tracing

Arize Phoenix✓

Lunary✓

User feedback score API for thumbs up down tags

Arize Phoenix-

Lunary✗

Pii redaction and prompt content masking

Arize Phoenix-

Lunary✓

Production ab testing of system prompts

Arize Phoenix✓

Lunary✓

Automated anomaly detection for rate limits

Arize Phoenix-

Lunary✓

Native integration with langchain and llamaindex

Arize Phoenix✓

Lunary✓

SOC2 type ii

Arize Phoenix-

Lunary✓

Mit or apache permissive oss license

Arize Phoenix-

Lunary✗

Pricing model

Arize PhoenixFree open source

LunaryPer user seat

What each one is

The product in its own terms, so the numbers below have context.

Arize Phoenix

Phoenix provides OpenTelemetry-based instrumentation for LLM applications, AI-powered evaluation of model outputs and retrieval quality, and systematic prompt management with versioning. It supports both self-hosted and cloud deployment and integrates with major LLM frameworks and development tools.

Independently observed

Lunary

Leader

A platform for teams to monitor LLM performance, manage prompts collaboratively, and deploy AI agents with real-time performance tracking and cost analysis. Supports logging, prompt templates, agent monitoring, and integrations with popular LLM providers.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

Arize Phoenix

Pricing not documented yet.

Lunary

Leader

from $20/user/moSubscriptionFree tier

From $20/user/mo. Free tier available.

FreeFree
- 10k events per month
- 3 projects
- 30 days logs retention
Team$20/user/mo
- 50k events per month
- AI Playground
- Unlimited projects
- 1 year history
- Advanced features
- +5 more
CustomContact sales
- Self-hosted deployment
- SSO / SAML
- SOC2 & ISO27001 Reports
- 99.9% SLA
- Custom Invoicing
- +6 more

as of 2026-08-25verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platform and deployment support comparison
Supports	Arize Phoenix	Lunary
WebPlatforms	-	✓
Cloud / SaaSDeployment	✓	✓
Self-hostedDeployment	✓	✓
On-premiseDeployment	✗	✓

Platforms

Web

Arize Phoenix–

Lunary✓

Deployment

Cloud / SaaS

Arize Phoenix✓

Lunary✓

Self-hosted

Arize Phoenix✓

Lunary✓

On-premise

Arize Phoenix✗

Lunary✓

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

In common (5)

LlamaIndex
OpenAI
Anthropic
AWS Bedrock
OpenLLMetry

Arize Phoenix

8 total - 3 not shared

Vertex AI
Claude Code
Cursor

Independently observed

Lunary

Leader

31 total - 26 not shared

Flowise
LangChain
OpenRouter
IBM WatsonX
Mistral
Grok
Fireworks AI
Azure OpenAI
Ragas
LiteLLM
Langflow
PowerBI
Tableau
MySQL
Amplitude
Airbyte
Segment
Slack
Zapier
Redshift
PostHog
Databricks
Snowflake
BigQuery
+2 more

Independently observed

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.