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Tools/Observability

Best Observability Tools

32 observability tools compared — reviews, pricing & social mentions

1Literal AI
Literal AI
31 /moAlternatives
2Datadog
Datadogusage-based + subscription + contract + per-seat + tiered

See metrics from all of your apps, tools & services in one place with Datadog’s cloud monitoring as a service solution. Try it for free.

2 /moAlternatives
3Promptfoo
Promptfooevaluationsubscription + freemium + tieredFree tier

The AI Security Platform that catches vulnerabilities in development. Trusted by 127 of the Fortune 500 and 300,000+ developers worldwide.

1 /mo18,874
4Dynamo AI
Dynamo AIevaluationtiered

Dynamo AI offers end-to-end AI Performance, Security, and Compliance solutions for delivering Enterprise-grade Generative AI.

1 /moAlternatives
5Langfuse
Langfusesubscription + tiered

Traces, evals, prompt management and metrics to debug and improve your LLM application.

1 /mo24,100Alternatives
6Weave
Weavetiered

Track, test, and improve language model apps with W&B Weave

1 /mo1,066
7Phoenix
Phoenixsubscription + tiered

Arize Phoenix is an open-source LLM tracing & evaluation platform. Seamlessly instrument, experiment, and optimize AI applications in real time—tr

1 /mo9,053Alternatives
8Helicone
Heliconeusage-based + subscription + freemium + tieredFree tier

AI Gateway & LLM Observability

1 /mo5,406Alternatives
9Opik
Opik
18,555Alternatives
10Fiddler AI
Fiddler AImonitoringtieredFree tier

The Fiddler AI Control Plane provides enterprises with visibility, context, and control across the agentic lifecycle with observability, guardrails, a

Alternatives
11PromptLayer
PromptLayersubscription + tieredFree tier

Version, test, and monitor every prompt and agent with robust evals, tracing, and regression sets. Empower domain experts to collaborate in the visual

Alternatives
12WhyLabs
WhyLabsmonitoringtiered
2,804Alternatives
13Comet Opik
Comet Opiktracing
Alternatives
14Kolena
Kolenaevaluation

Kolena automates document-heavy workflows with AI — lease abstraction, due diligence, insurance processing, and more.

Alternatives
15DeepEval
DeepEvalevaluationtiered
14,352Alternatives
16Baserun
Baserun
Alternatives
17Parea AI
Parea AIevaluationsubscription + tieredFree tier

The experimentation and human annotation platform for AI teams.

Alternatives
18Patronus AI
Patronus AIevaluationtiered

Patronus AI develops simulation research and infrastructure to accelerate progress toward human-aligned AGI

Alternatives
19Athina AI
Athina AIevaluationsubscription + contract + tiered
Alternatives
20LangSmith
LangSmithevaluation

View in LangSmith

Alternatives
21HumanLoop
HumanLoopsubscription + tiered

Humanloop is joining Anthropic to accelerate the adoption of AI, safely.

Alternatives
22TruLens
TruLensevaluationtiered

Evaluation and Tracing for AI Agents

3,208Alternatives
23Arize AI
Arize AIsubscription + tiered

Unified LLM Observability and Agent Evaluation Platform for AI Applications—from development to production.

9,104Alternatives
24OpenLLMetry
OpenLLMetryfreemium + tieredFree tier

Traceloop turns evals and monitors into a continuous feedback loop - so every release gets better

6,958Alternatives
25Evidently AI
Evidently AImonitoringsubscription + tiered

Ensure your AI is production-ready. Test LLMs and monitor performance across AI applications, RAG systems, and multi-agent workflows. Built on open-so

7,361Alternatives
26Agenta
Agentaevaluationsubscription + per-seat + tiered

Agenta is an open-source platform for building robust LLM Application. It provides tools for prompt engineering, evaluation, debugging, and monitoring

Alternatives
27Galileo
Galileosubscription + freemium + tieredFree tier

Galileo

Alternatives
28Langtrace
Langtracesubscription + freemium + per-seat + tieredFree tier

Transform AI Prototypes into Enterprise-Grade Products

1,189Alternatives
29Cleanlab
Cleanlabdata-qualitytiered

Cleanlab helps teams build safer AI agents by preventing incorrect responses from reaching users. Detect and remediate incorrect responses from any AI

11,390Alternatives
30Log10
Log10tiered

Everest is the agentic AI platform for life science services—turn expertise into compliant workflows you can deploy internally or white-label into new

96Alternatives
31Ragas
Ragasevaluationsubscription + tiered

Ragas is an open source framework for testing and evaluating LLM applications. Ragas provides metrics , synthetic test data generation and workflows f

13,173Alternatives
32Braintrust
Braintrustsubscription + contract + tieredFree tier

Turn production traces into evals, compare prompts and models, and improve quality with every release.

12Alternatives

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