Lunary vs Arize Phoenix
Compare Lunary with Arize Phoenix for conversation replay, agent traces, prompt iteration and deployment. Find the right workflow for your team.
$20 per user / month. Payment required to activate your workspace.
Pick Lunary when your team wants to move from a customer conversation to the underlying runs and a reviewed prompt change.
Lunary fit
Shared review of chats, user feedback and prompts.
Phoenix fit
OpenInference tracing and experiment-driven debugging.
Pilot focus
Use a multi-turn failure, not a single model call.
At a glance
| Workflow | Lunary | Arize Phoenix |
|---|---|---|
| Conversation context | Messages, custom events and linked runs | Sessions joining related traces |
| Trace a failure | LLM, tool, chain and agent runs | OTLP ingestion and OpenInference instrumentation |
| Test a change | Draft prompts and custom-endpoint playground | Span replay and dataset experiments |
| Deploy yourself | Enterprise Docker deployment | Free self-hosted Phoenix |
See your workflow in Lunary.
Explore conversations, traces and prompt versions with our team.
Keep the user interaction in view
Lunary connects chat messages and custom events to agent execution. Record feedback on a specific reply and inspect its context. Phoenix also groups traces into sessions, so test the actual review experience with your own assistant.
Iterate where your team works
Lunary provides versioned templates, shareable drafts and a playground that can call your custom endpoint. Phoenix offers versioned prompts, datasets, experiments and span replay. Both support prompt iteration; the deciding factor is your team’s working process.
Choose the right operating model
Start with Lunary cloud or evaluate its Enterprise self-hosted deployment. Phoenix documents free self-hosting, including Docker and Kubernetes. Include deployment work, access requirements and ongoing maintenance in your decision.
Questions & answers
Does Lunary replace OpenTelemetry?
No. Lunary supports OpenTelemetry alongside its SDK integrations. Check the attributes and conversation context your instrumentation sends.
Does Phoenix lack prompt management?
No. It includes prompt versioning, a playground and deployment through its SDK.
Where should I start with Lunary?
Instrument one assistant, record a conversation and attach feedback to a reply. Review the associated runs before expanding coverage.
By Lunary · Documentation reviewed Sep 19, 2026
Sources & methodology (11)
Based on vendor documentation, not an independent benchmark or hands-on rating. Features and plans can change.
Bring your next AI issue to Lunary.
Follow the conversation. Find the cause. Test the fix.
$20 per user / month. Payment required to activate your workspace.