PayloopPayloop
CommunityVoicesToolsDiscoverLeaderboardReportsBlog
Save Up to 65% on AI
Powered by Payloop — LLM Cost Intelligence
Tools/Observability

Best Observability Tools

32 observability tools compared — reviews, pricing & social mentions

1Helicone
Heliconeusage-based + subscription + freemium + tieredFree tier

AI Gateway & LLM Observability

4.5 (2)5,406Alternatives
2Datadog
Datadogusage-based + subscription + freemium + contract + per-seat + tieredFree tier

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.

4.4 (20)2 /mo
3Arize AI
Arize AIsubscription + tiered

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

4.3 (20)9,104Alternatives
4Literal AI
Literal AI
41 /moAlternatives
5HumanLoop
HumanLoopsubscription + tiered

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

39 /moAlternatives
6PromptLayer
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

36 /moAlternatives
7Evidently 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

35 /mo7,420Alternatives
8WhyLabs
WhyLabsmonitoringtiered
27 /mo2,804Alternatives
9Opik
Opik

Comet lets you track code, experiments, and results on ML projects. It’s fast, simple, and free for open source projects.

16 /mo18,555Alternatives
10Weave
Weavetiered

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

9 /mo1,066Alternatives
11DeepEval
DeepEvalevaluationtiered

DeepEval is the open-source LLM evaluation framework for testing and benchmarking LLM applications.

6 /mo14,993Alternatives
12Braintrust
Braintrustsubscription + contract + tieredFree tier

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

1 /mo12Alternatives
13Dynamo AI
Dynamo AIevaluationtiered

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

1 /moAlternatives
14Log10
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

1 /mo96Alternatives
15Langtrace
Langtracesubscription + freemium + per-seat + tieredFree tier

Transform AI Prototypes into Enterprise-Grade Products

1,189Alternatives
16TruLens
TruLensevaluationtiered

Evaluation and Tracing for AI Agents

3,208Alternatives
17Fiddler 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
18Athina AI
Athina AIevaluationsubscription + contract + tiered
Alternatives
19Phoenix
Phoenixsubscription + tiered

Arize Phoenix: Open Source AI Development Platform

9,053Alternatives
20Patronus AI
Patronus AIevaluationtiered

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

Alternatives
21Comet Opik
Comet Opiktracing
Alternatives
22Agenta
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
23Cleanlab
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
24Langfuse
Langfusesubscription + tiered

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

24,100Alternatives
25Parea AI
Parea AIevaluationsubscription + tieredFree tier

The experimentation and human annotation platform for AI teams.

Alternatives
26Baserun
Baserun
Alternatives
27LangSmith
LangSmithevaluation

View in LangSmith

Alternatives
28Ragas
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
29Kolena
Kolenaevaluationsubscription + tiered

Kolena AI adapts to the document processes in your sector, delivering specialized solutions for maximum efficiency.

Alternatives
30Galileo
Galileosubscription + freemium + tieredFree tier

Galileo

Alternatives
31OpenLLMetry
OpenLLMetryfreemium + tieredFree tier

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

6,958Alternatives
32Promptfoo
Promptfooevaluationsubscription + freemium + tieredFree tier

The AI Security Platform that catches vulnerabilities in development. Trusted by 156 of the Fortune 500 and 300,000+ developers worldwide.

18,874

Categories

dev-tools (80)framework (61)ai-productivity (41)ai-sales (40)infrastructure (40)llm-provider (39)ai-design (38)ai (36)data (32)observability (32)ai-marketing (26)mlops (25)vector-db (23)security (21)open-source-model (20)ai-analytics (20)ai-customer-support (18)ai-speech (18)
Alternatives
Alternatives
no-code (17)
ai-search (17)
ai-chatbot (15)
ai-enterprise (15)
ai-hr (14)
ai-workflow (14)
ai-testing (13)
ai-devops (13)
ai-healthcare (13)
ai-education (13)
ai-finance (12)
ai-cybersecurity (12)
ai-commerce (12)
ai-billing (11)
ai-comms (10)
ai-edge (10)
ai-research (10)
ai-cdp (10)
ai-logistics (10)
ai-labeling (10)
ai-proptech (10)
ai-robotics (9)
ai-governance (9)
ai-music (9)
ai-climate (9)
ai-travel (8)
ai-gaming (8)
ai-identity (8)
ai-wealth (8)
ai-translation (8)
ai-restaurant (8)
ai-geospatial (8)
ai-insurance (8)
ai-moderation (8)
ai-simulation (8)
ai-agriculture (8)
ai-legal (6)
ai-manufacturing (5)
ai-construction (5)
gateway (5)