Lunary

Lunary provides observability, evaluation, and prompt management software for developers and enterprises building LLM applications.

StageUndisclosed

Founded—

HeadquartersSan Francisco, USA

StatusPrivate

lunary.ai

Product

Selected offerings — the AI products recorded here, not the vendor's full catalogue.

Lunary Developer tool Sold on its own

Lunary logs LLM prompts and responses, traces agents, evaluates outputs, and tracks application usage and costs.

Similar products 40

No sourced competitor yet: no filing, vendor document or measured-market report read so far names a rival for this company, so none is asserted. The companies below are the closest by what their products do.

How this list is ranked ↗

All 40Capability overlap 39Shared product type 21Same company status 29

HoneyHiveEarly-stageLunary and HoneyHive both serve buyers who need to test and evaluate an AI agent and watch an AI agent for suspicious or runaway behaviour; scale not recorded for either.1 of 1 capabilityShared product typeCompare P

PromptLayerEarly-stageLunary and PromptLayer Observability both serve buyers who need to test and evaluate an AI agent and watch an AI agent for suspicious or runaway behaviour; scale not recorded for either.1 of 1 capabilityShared product typeCompare L

LaminarEarly-stageLunary and Laminar Signals both serve buyers who need to test and evaluate an AI agent and watch an AI agent for suspicious or runaway behaviour; scale not recorded for either.1 of 1 capabilityShared product typeCompare AA

Arize AIUndisclosedLunary and Arize Phoenix both serve buyers who need to watch an AI agent for suspicious or runaway behaviour; scale not recorded for either.1 of 1 capabilityShared product typeCompare D

DeepchecksAbsorbedOverlaps on evaluation and observability; Lunary's scale not recorded; Deepchecks is absorbed, with no independent scale.1 of 1 capabilityShared product typeCompare L

LiteLLMEarly-stageLunary and LiteLLM Lens both serve buyers who need to test and evaluate an AI agent and watch an AI agent for suspicious or runaway behaviour; scale not recorded for either; ships AI agent, application and 1 more rather than the same layer.1 of 1 capabilityDifferent layerCompare AA

Arthur AIEarly-stageLunary and Arthur Engine both serve buyers who need to watch an AI agent for suspicious or runaway behaviour; scale not recorded for either.1 of 1 capabilityShared product typeCompare L

LangWatchUndisclosedLunary and LangWatch LLM observability both serve buyers who need to watch an AI agent for suspicious or runaway behaviour; scale not recorded for either.1 of 1 capabilityShared product typeCompare G

GalileoAcquiredLunary and Galileo both serve buyers who need to watch an AI agent for suspicious or runaway behaviour; Lunary's scale not recorded; Galileo is acquired, with no independent scale; ships API service and platform rather than the same layer.1 of 1 capabilityDifferent layerCompare L

LangfuseAcquiredLunary and Langfuse both serve buyers who need to watch an AI agent for suspicious or runaway behaviour; Lunary's scale not recorded; Langfuse is acquired, with no independent scale; ships application and platform rather than the same layer.1 of 1 capabilityDifferent layerCompare CM

Comet MLEarly-stageOverlaps on evaluation and observability; scale not recorded for either.1 of 1 capabilityShared product typeCompare W&

Weights & BiasesAcquiredLunary and W&B Weave both serve buyers who need to watch an AI agent for suspicious or runaway behaviour; Lunary's scale not recorded; Weights & Biases is acquired, with no independent scale.1 of 1 capabilityShared product typeCompare FA

Fiddler AILate-stageLunary and Fiddler Continuous Evaluations both serve buyers who need to watch an AI agent for suspicious or runaway behaviour; scale not recorded for either.1 of 1 capabilityShared product typeCompare M

MastraEarly-stageLunary and Mastra Studio both serve buyers who need to test and evaluate an AI agent; scale not recorded for either.1 of 1 capabilityShared product typeCompare O

OpenRouterLate-stageLunary and Ori Eval both serve buyers who need to test and evaluate an AI agent; Lunary's scale not recorded.1 of 1 capabilityShared product typeCompare B

BraintrustLate-stageLunary and Patterns both serve buyers who need to watch an AI agent for suspicious or runaway behaviour; Lunary's scale not recorded; ships AI agent, application and 1 more rather than the same layer.1 of 1 capabilityDifferent layerCompare MA

Maxim AIUndisclosedLunary and Maxim both serve buyers who need to test and evaluate an AI agent; scale not recorded for either; ships application, infrastructure service and 1 more rather than the same layer.1 of 1 capabilityDifferent layerCompare R

RespanEarly-stageLunary and Respan both serve buyers who need to test and evaluate an AI agent; scale not recorded for either; ships API service and infrastructure service rather than the same layer.1 of 1 capabilityDifferent layerCompare C

ClickHouseLate-stageLunary and ClickStack both serve buyers who need to watch an AI agent for suspicious or runaway behaviour; scale not recorded for either; ships agent platform, data service and 1 more rather than the same layer.1 of 1 capabilityDifferent layerCompare H

HeliconeAcquiredLunary and Helicone both serve buyers who need to watch an AI agent for suspicious or runaway behaviour; Lunary's scale not recorded; Helicone is acquired, with no independent scale; ships API service and platform rather than the same layer.1 of 1 capabilityDifferent layerCompare S

SplunkAcquiredLunary and Splunk Agent Observability both serve buyers who need to watch an AI agent for suspicious or runaway behaviour; Lunary's scale not recorded; Splunk is acquired, with no independent scale.1 of 1 capabilityShared product typeCompare L

LangChainLate-stageLunary and LangSmith Chat both serve buyers who need to test and evaluate an AI agent; scale not recorded for either.1 of 1 capabilityShared product typeCompare E

ElasticPublicLunary and Elastic LLM Observability both serve buyers who need to watch an AI agent for suspicious or runaway behaviour; Lunary's scale not recorded; ships agent platform, application and 3 more rather than the same layer.1 of 1 capabilityDifferent layerCompare D

DynatracePublicLunary and Dynatrace AI Observability both serve buyers who need to watch an AI agent for suspicious or runaway behaviour; scale not recorded for either; ships application and platform rather than the same layer.1 of 1 capabilityDifferent layerCompare NR

New RelicUndisclosedLunary and New Relic AI Observability both serve buyers who need to watch an AI agent for suspicious or runaway behaviour; scale not recorded for either; ships AI agent, application and 2 more rather than the same layer.1 of 1 capabilityDifferent layerCompare HA

Hume AIUndisclosedLunary and User Testing API both serve buyers who need to test and evaluate an AI agent; scale not recorded for either; ships API service, application and 3 more rather than the same layer.1 of 1 capabilityDifferent layerCompare G

Guild.aiUndisclosedLunary and Guild agent control plane both serve buyers who need to watch an AI agent for suspicious or runaway behaviour; scale not recorded for either.1 of 1 capabilityShared product typeCompare T

TrueFoundryEarly-stageLunary and TrueFoundry Agent Gateway both serve buyers who need to watch an AI agent for suspicious or runaway behaviour; scale not recorded for either; ships API service, agent platform and 2 more rather than the same layer.1 of 1 capabilityDifferent layerCompare M

Micro1UndisclosedLunary and Cortex both serve buyers who need to test and evaluate an AI agent and watch an AI agent for suspicious or runaway behaviour; scale not recorded for either; ships data service rather than the same layer.1 of 1 capabilityDifferent layerCompare C

CrusoeLate-stageOverlaps on evaluation and observability; Lunary's scale not recorded.1 of 1 capabilityShared product typeCompare D

DatadogPublicLunary and Agent Observability both serve buyers who need to watch an AI agent for suspicious or runaway behaviour; Lunary's scale not recorded.1 of 1 capabilityShared product typeCompare C

CoreWeavePublicLunary and CoreWeave ARIA both serve buyers who need to watch an AI agent for suspicious or runaway behaviour; Lunary's scale not recorded; ships AI agent, infrastructure service and 1 more rather than the same layer.1 of 1 capabilityDifferent layerCompare P

ParloaLate-stageLunary and Parloa Performance Lab both serve buyers who need to test and evaluate an AI agent; Lunary's scale not recorded; ships AI agent, agent platform and 1 more rather than the same layer.1 of 1 capabilityDifferent layerCompare D

DatabricksLate-stageLunary and Agent Bricks both serve buyers who need to watch an AI agent for suspicious or runaway behaviour; Lunary's scale not recorded.1 of 1 capabilityShared product typeCompare H

HarnessLate-stageLunary and AI Evals both serve buyers who need to test and evaluate an AI agent; scale not recorded for either.1 of 1 capabilityShared product typeCompare C

CognigyAcquiredOverlaps on evaluation and observability; Lunary's scale not recorded; Cognigy is acquired, with no independent scale.1 of 1 capabilityShared product typeCompare Y

Yellow.aiUndisclosedOverlaps on evaluation and observability; scale not recorded for either.1 of 1 capabilityShared product typeCompare M

Mem0Early-stageLunary and Gateway both serve buyers who need to watch an AI agent for suspicious or runaway behaviour; scale not recorded for either; ships API service, agent platform and 1 more rather than the same layer.Different layerCompare HA

Hippocratic AILate-stageLunary and AI Call Supervisor both serve buyers who need to test and evaluate an AI agent and watch an AI agent for suspicious or runaway behaviour; Lunary's scale not recorded; ships AI agent, agent platform and 1 more rather than the same layer.1 of 1 capabilityDifferent layerCompare D

DecagonLate-stageLunary and Experiments both serve buyers who need to test and evaluate an AI agent; Lunary's scale not recorded; ships AI agent, agent platform and 1 more rather than the same layer.1 of 1 capabilityDifferent layerCompare

Show all 40 related companiesShow fewer

Closest alternatives are pairs a vendor page itself compares. Similar products are matched from what each product does; nothing in that group is asserted as a rivalry.