Last updated: March 2026

Best Free Analytics & Monitoring Tools

Top free analytics & monitoring tools with no cost plans or free tiers for budget-conscious users.

Analytics & Monitoring

Quick Verdict

If you need free and analytics-&-monitoring, go with Splunk AI Assistant & Observability. Budget pick: Langfuse.

View Splunk AI Assistant & Observability See Langfuse pricing

Comparison First

Top 4 tools side by side

Criteria	Splunk AI Assistant & ObservabilityTop Pick Analytics & Monitoring	LangfuseRunner Up Analytics & Monitoring	AgentOpsStrong Choice Analytics & Monitoring	Arize Phoenix Analytics & Monitoring
Best for	Enterprise AI Agent Monitoring	RAG application debugging and optimization	Production AI agent deployments requiring comprehensive monitoring and reliability	{"title":"ML teams building RAG systems who need","description":"ML teams building RAG systems who need deep analytical visibility into retrieval quality, embedding distributions, and document relevance"}
Starting price	Contact	Free	Free	Free
Free option	No	Yes	Yes	Yes
Skill level	low-code	developer	developer	developer
Key features	AI Agent Monitoring for LLM applications • Natural language querying with AI Assistant • Automatic troubleshooting with AI agents	Hierarchical Tracing • Prompt Versioning & Playground • LLM-as-Judge Evaluation	Visual tracking of LLM calls, tools, and multi-agent interactions • Time-travel debugging with point-in-time replay • Cost tracking across 400+ LLMs	Workflow Runtime • Tool and API Connectivity • State and Context Handling

Buying Guide

Workflow Fit

Start with tools that clearly map to budget analytics & monitoring users workflows instead of generic assistants. The winner should remove a full step from the job, not just autocomplete text.

Buying Guide

Depth, Not Demos

Prioritize products with real depth in analytics & monitoring and adjacent categories. Strong niche fit matters more here than a broad feature list.

Buying Guide

Integration Surface

Check whether the tool plugs into the systems you already use. For this group, the biggest gains usually come from context sharing, handoffs, and automation coverage.

Buying Guide

Pricing Model

Watch for usage-based pricing, seat minimums, and enterprise gating. Cheap entry plans matter less than predictable cost once the workflow becomes part of the stack.

Ranked Recommendations

14 tools compared

#1Top Pick

Splunk AI Assistant & Observability

Analytics & Monitoring🟡Low Code

AI-powered monitoring that helps you find and fix system problems — ask questions about your infrastructure in plain English and get automatic root cause analysis.

Best for

Enterprise AI Agent Monitoring

Starting price

Contact

Why it matched

Score 10

AI Agent Monitoring for LLM applicationsNatural language querying with AI AssistantAutomatic troubleshooting with AI agents

Match reasons

Primary category match: Analytics & Monitoring
Highest overall score and feature completeness
Well-documented pros and cons

Tool CTA

Shortlist Splunk AI Assistant & Observability if you need a stronger fit for budget analytics & monitoring users around free and analytics-&-monitoring.

View Splunk AI Assistant & Observability Visit Splunk AI Assistant & Observability

#2Runner Up

Langfuse

Analytics & Monitoring🔴Developer

An open-source dashboard that shows you exactly what your AI is doing — track costs, quality, and performance of every AI call.

Best for

RAG application debugging and optimization

Starting price

Free

Why it matched

Score 10

Hierarchical TracingPrompt Versioning & PlaygroundLLM-as-Judge Evaluation

Match reasons

Primary category match: Analytics & Monitoring
Strong alternative with solid feature set
Well-documented pros and cons

Tool CTA

Shortlist Langfuse if you need a stronger fit for budget analytics & monitoring users around free and analytics-&-monitoring.

View Langfuse Visit Langfuse

#3Strong Choice

AgentOps

Analytics & Monitoring🔴Developer

Dashboard and analytics specifically for AI agents — track sessions, costs, and errors so you know when your agents aren't performing well.

Best for

Production AI agent deployments requiring comprehensive monitoring and reliability

Starting price

Free

Why it matched

Score 10

Visual tracking of LLM calls, tools, and multi-agent interactionsTime-travel debugging with point-in-time replayCost tracking across 400+ LLMs

Match reasons

Primary category match: Analytics & Monitoring
Good option with competitive features
Well-documented pros and cons

Tool CTA

Shortlist AgentOps if you need a stronger fit for budget analytics & monitoring users around free and analytics-&-monitoring.

View AgentOps Visit AgentOps

Arize Phoenix

Analytics & Monitoring🔴Developer

An open-source tool that helps you see inside your AI's thinking — debug and improve AI performance with visual tracing.

Best for

{"title":"ML teams building RAG systems who need","description":"ML teams building RAG systems who need deep analytical visibility into retrieval quality, embedding distributions, and document relevance"}

Starting price

Free

Why it matched

Score 10

Workflow RuntimeTool and API ConnectivityState and Context Handling

Match reasons

Primary category match: Analytics & Monitoring
Well-documented pros and cons

Tool CTA

Shortlist Arize Phoenix if you need a stronger fit for budget analytics & monitoring users around free and analytics-&-monitoring.

View Arize Phoenix Visit Arize Phoenix

LangSmith

Analytics & Monitoring🔴Developer

Tracks what your AI agents are doing so you can find and fix problems — like analytics for your AI.

Best for

Debugging and monitoring LangChain-based AI applications in production

Starting price

Free

Why it matched

Score 10

Workflow RuntimeTool and API ConnectivityState and Context Handling

Match reasons

Primary category match: Analytics & Monitoring
Well-documented pros and cons

Tool CTA

Shortlist LangSmith if you need a stronger fit for budget analytics & monitoring users around free and analytics-&-monitoring.

View LangSmith Visit LangSmith

Weights & Biases

Analytics & Monitoring🔴Developer

Tracks all your AI experiments automatically — compare different approaches and share results with your team.

Best for

{"title":"ML teams that do both traditional model","description":"ML teams that do both traditional model training and LLM application development and want a single platform for experiment tracking across both"}

Starting price

Free

Why it matched

Score 10

Workflow RuntimeTool and API ConnectivityState and Context Handling

Match reasons

Primary category match: Analytics & Monitoring
Well-documented pros and cons

Tool CTA

Shortlist Weights & Biases if you need a stronger fit for budget analytics & monitoring users around free and analytics-&-monitoring.

View Weights & Biases Visit Weights & Biases

Sprig

Analytics & Monitoring🟢No Code

An AI product research tool that helps you understand why users behave the way they do — it combines surveys, session recordings, and AI analysis so product teams can make better decisions faster.

Best for

Product discovery and user research

Starting price

Why it matched

Score 9

AI Studies answering product questions from surveys, replays, and behavioral dataIn-product surveys targeted by behavior, page, user attributes, and eventsAI analysis of open-ended responses with theme categorization and sentiment detection

Match reasons

Primary category match: Analytics & Monitoring
Well-documented pros and cons

Tool CTA

Shortlist Sprig if you need a stronger fit for budget analytics & monitoring users around free and analytics-&-monitoring.

View Sprig Visit Sprig

Langtrace

Analytics & Monitoring🔴Developer

Open-source monitoring for AI apps — see exactly what your AI is doing with detailed tracing and performance metrics.

Best for

Debugging and optimizing complex multi-agent LLM workflows

Starting price

Free

Why it matched

Score 9

Match reasons

Primary category match: Analytics & Monitoring
Well-documented pros and cons

Tool CTA

Shortlist Langtrace if you need a stronger fit for budget analytics & monitoring users around free and analytics-&-monitoring.

View Langtrace Visit Langtrace

LangWatch

Analytics & Monitoring🔴Developer

Monitor your AI's quality and costs in production — catch issues, track spending, and understand how users interact with your AI.

Best for

Production AI applications requiring comprehensive monitoring and debugging

Starting price

Free

Why it matched

Score 9

Match reasons

Primary category match: Analytics & Monitoring
Well-documented pros and cons

Tool CTA

Shortlist LangWatch if you need a stronger fit for budget analytics & monitoring users around free and analytics-&-monitoring.

View LangWatch Visit LangWatch

#10

Portkey AI

Analytics & Monitoring🔴Developer

A control panel for managing all your AI providers — switch models, add fallbacks, and monitor costs from one dashboard.

Best for

{"title":"Enterprise applications requiring high availability across multiple","description":"Enterprise applications requiring high availability across multiple LLM providers"}

Starting price

Free

Why it matched

Score 9

Match reasons

Primary category match: Analytics & Monitoring
Well-documented pros and cons

Tool CTA

Shortlist Portkey AI if you need a stronger fit for budget analytics & monitoring users around free and analytics-&-monitoring.

View Portkey AI Visit Portkey AI

#11

Sentry AI Monitoring

Analytics & Monitoring🔴Developer

Error tracking for AI applications — catches and alerts you when your AI agents crash or produce errors in production.

Best for

{"title":"Production AI agent monitoring","description":"Production AI agent monitoring"}

Starting price

Free

Why it matched

Score 9

Match reasons

Primary category match: Analytics & Monitoring
Well-documented pros and cons

Tool CTA

Shortlist Sentry AI Monitoring if you need a stronger fit for budget analytics & monitoring users around free and analytics-&-monitoring.

View Sentry AI Monitoring Visit Sentry AI Monitoring

#12

Phoenix by Arize

Analytics & Monitoring🔴Developer

Open-source tool for understanding and debugging your AI — trace LLM calls, evaluate output quality, detect hallucinations, and optimize prompts with production data.

Best for

Production LLM Application Monitoring

Starting price

Free

Why it matched

Score 8.5

OpenTelemetry-based LLM tracingAgent tracing graphs and multi-agent visualizationLLM-as-judge, code-based, and human label evaluation

Match reasons

Primary category match: Analytics & Monitoring
Well-documented pros and cons

Tool CTA

Shortlist Phoenix by Arize if you need a stronger fit for budget analytics & monitoring users around free and analytics-&-monitoring.

View Phoenix by Arize Visit Phoenix by Arize

#13

Laminar (LMNR)

Analytics & Monitoring🔴Developer

Open-source monitoring for AI agents. Trace every step, debug failures by restarting from any point, record browser sessions, and catch problems with natural language pattern matching.

Best for

Long-running agent debugging

Starting price

Free

Why it matched

Score 4.5

Agent debugger with step-restartAutomatic multi-framework tracingBrowser session recording synced to traces

Match reasons

Primary category match: Analytics & Monitoring
Well-documented pros and cons

Tool CTA

Shortlist Laminar (LMNR) if you need a stronger fit for budget analytics & monitoring users around free and analytics-&-monitoring.

View Laminar (LMNR)Visit Laminar (LMNR)

#14

Helicone

Analytics & Monitoring🔴Developer

An open-source dashboard that monitors your AI API usage — see costs, latency, and errors at a glance with zero-code proxy integration.

Best for

LLM Cost Visibility & Spend Management

Starting price

Free

Why it matched

Score 4.5

Workflow RuntimeTool and API ConnectivityState and Context Handling

Match reasons

Primary category match: Analytics & Monitoring
Well-documented pros and cons

Tool CTA

Shortlist Helicone if you need a stronger fit for budget analytics & monitoring users around free and analytics-&-monitoring.

View Helicone Visit Helicone

Frequently Asked Questions

What is the best tool for budget analytics & monitoring users?+

Based on our analysis, Splunk AI Assistant & Observability is the top choice for budget analytics & monitoring users. It excels in analytics & monitoring and offers the best combination of features, usability, and integration capabilities for this specific use case.

What's the most affordable option for budget analytics & monitoring users?+

Langfuse offers the best value for budget analytics & monitoring users. It provides essential features at a competitive price point while maintaining quality and reliability.

How did you choose these analytics & monitoring tools?+

We evaluated tools based on four key criteria: workflow fit for budget analytics & monitoring users, depth in analytics & monitoring, integration capabilities, and pricing model. Each tool was scored on how well it addresses the specific needs and challenges faced by budget analytics & monitoring users.

Can I try these tools before committing?+

Most of the recommended tools offer free trials or free tiers. We recommend testing the top 2-3 options that match your specific requirements before making a final decision. This hands-on evaluation will help you determine which tool best fits your workflow and team needs.

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Criteria

Splunk AI Assistant & ObservabilityTop Pick

Analytics & Monitoring

LangfuseRunner Up

Analytics & Monitoring

AgentOpsStrong Choice

Analytics & Monitoring

Arize Phoenix

Analytics & Monitoring

Best for

Enterprise AI Agent Monitoring

RAG application debugging and optimization

Production AI agent deployments requiring comprehensive monitoring and reliability

Starting price

Contact

Free

Free option

Yes

Skill level

low-code

developer

Key features

AI Agent Monitoring for LLM applications • Natural language querying with AI Assistant • Automatic troubleshooting with AI agents

Hierarchical Tracing • Prompt Versioning & Playground • LLM-as-Judge Evaluation

Visual tracking of LLM calls, tools, and multi-agent interactions • Time-travel debugging with point-in-time replay • Cost tracking across 400+ LLMs

Workflow Runtime • Tool and API Connectivity • State and Context Handling

Frequently Asked Questions

What is the best tool for budget analytics & monitoring users?+

What's the most affordable option for budget analytics & monitoring users?+

Langfuse offers the best value for budget analytics & monitoring users. It provides essential features at a competitive price point while maintaining quality and reliability.

How did you choose these analytics & monitoring tools?+

Can I try these tools before committing?+