12 tools compared on real pricing, genuine strengths, and the limitations that only show up after you buy.
We track 12 Analytics tools, 8 of which have a free or freemium tier you can evaluate without a sales call. Our picks are Galileo, LangSmith and Microsoft Clarity. Each entry below lists real pricing, what it is genuinely good at, and the limitations that only show up after you buy.
| Tool | Pricing model | What it costs |
|---|---|---|
| Galileo | enterprise-quoted | Enterprise pricing, quoted per organization. |
| LangSmith | freemium | Free developer tier. Paid Plus and Enterprise plans add seats, longer trace retention, and deployment options. |
| Microsoft Clarity | free | Free forever with no limits. |
| PostHog | freemium | Free up to 1M events/month. Self-host free. Pay-as-you-go past free tier. |
| Arize AI | enterprise-quoted | Open-source Phoenix is free. The Arize platform is sold via paid and enterprise plans. |
| Braintrust | freemium | Free tier for small teams. Paid Pro and Enterprise plans add scale, collaboration, and deployment options. |
| Comet Opik | freemium | Open-source and free to self-host. Comet offers managed and enterprise plans. |
| Hotjar | freemium | Basic free plan (35 sessions/day). Plus $32/month. Business $80/month. |
| Langfuse | freemium | Open-source and free to self-host. Langfuse Cloud offers free and paid managed tiers. |
| Mixpanel | freemium | Free up to 20M events/month. Growth from $28/month. Enterprise plans available. |
| Patronus AI | paid | Usage-based and enterprise pricing, quoted per organization. |
| Rilla | enterprise-quoted | Not published — demo and custom quote, typically priced per rep per month. Setup is quoted at roughly two hours. |
An enterprise platform for evaluating, monitoring, and guarding AI agents and LLM applications, including real-time protection against unsafe outputs.
An observability and evaluation platform for LLM and agent applications — tracing, datasets, automated evals, and production monitoring in one place.
Free session recordings, heatmaps, and AI-powered insights from Microsoft — no limits, no tiers.
Open-source product analytics with session recording, feature flags, and A/B testing in one platform.
An ML and LLM observability platform for monitoring model and agent performance, detecting drift, and tracing failures in production.
An evaluation-first platform for AI applications — build eval datasets, run scored experiments, and monitor quality in production.
An open-source platform for LLM evaluation, tracing, and production monitoring, from the team behind the Comet ML experiment-tracking tool.
Session recordings, heatmaps, and on-site surveys — see exactly how visitors use your website.
An open-source observability and evaluation platform for LLM applications — tracing, prompt management, evals, and cost monitoring.
Product analytics with AI insights — track user behavior, build funnels, and get explanations in plain English.
An automated evaluation and guardrails platform for LLMs, focused on rigorously detecting hallucinations, unsafe outputs, and other failures.
Records in-person sales conversations so managers can run "virtual ridealongs" instead of physically driving to appointments.
Practical playbooks, prompts, and tool stacks — for the SMB operators and enterprise teams actually shipping AI.
Free implementation guides for SMB operators and enterprise teams — workflows, prompts, governance, and tool stacks built to ship.