Lunary vs Galileo
Compare Lunary with Galileo, now Splunk Agent Observability, for conversation review, evaluation, annotations and deployment requirements.
$20 per user / month. Payment required to activate your workspace.
Lunary is our pick for an assistant team that wants to connect a poor reply to user feedback, agent traces and a reviewed prompt revision.
Lunary fit
Shared conversation review and prompt iteration.
Splunk fit
Agent observability and evaluators within its platform.
Check deployment
Confirm which evaluators your chosen setup includes.
At a glance
| Workflow | Lunary | Splunk Agent Observability |
|---|---|---|
| Review a conversation | Chat replay linked to model and agent runs | Sessions, traces and spans |
| Capture human judgment | Message or run feedback and comments | Annotations and review queues |
| Test a prompt change | Shared drafts, playground and evaluations | Playground experiments with evaluators |
| Choose deployment | Cloud or Enterprise self-hosting | SaaS or on-premises; capabilities differ |
See your workflow in Lunary.
Explore conversations, traces and prompt versions with our team.
Compare the product available today
Galileo is now Splunk Agent Observability. New-customer documentation lives at Splunk; the older Galileo docs apply to customers onboarded before August 7, 2026. The table below uses current Splunk capabilities.
Keep the conversation at the center
Lunary connects chat messages, custom events and feedback with model and agent runs. Splunk also supports sessions and human annotations. Use a real customer failure to compare how each tool helps your team understand what happened.
Validate the complete quality workflow
Lunary offers prompt templates, shared drafts and evaluations, with cloud or Enterprise self-hosting. Splunk provides playground experiments and evaluators, but its SaaS guide lists limitations relative to on-premises. Confirm required checks before choosing a deployment.
Questions & answers
Does Galileo still exist as a separate new-customer product?
Its official docs direct new customers to Splunk Agent Observability. Confirm your account’s migration and provisioning path with the vendor.
Does Splunk support user annotations?
Yes. Current docs describe annotations on sessions, traces and spans, with several types of human feedback.
Which should I try first?
Try Lunary when conversation review and prompt collaboration are the immediate need. Include required evaluators and deployment constraints in the pilot criteria.
By Lunary · Documentation reviewed Sep 20, 2026
Sources & methodology (13)
Based on vendor documentation, not an independent benchmark or hands-on rating. Features and plans can change.
- Galileo product transition notice
- Splunk Agent Observability overview
- Splunk sessions
- Splunk annotations
- Splunk SaaS and on-premises differences
- Splunk playground experiments
- Splunk evaluators
- Lunary conversations
- Lunary feedback tracking
- Lunary prompt templates
- Lunary prompt playground
- Lunary evaluations
- Lunary Enterprise self-hosting
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.