A meta harness for research queries

Give your agent more than one source.

Query search engines, AI answer engines, and deep-research APIs from one interface, and keep every answer with its citations.

Install Librarium for me by following https://librarium.si/install.md

Full install guide →

npm install -g librarium

Full install guide →

npm install librarium

Full install guide →

composer require jkudish/laravel-ai-librarium
php artisan vendor:publish --tag=librarium-config

Full install guide →

See an example

One question. Multiple providers.

What are the best alternatives to Google Analytics?

Deep research

Captured September 18, 2026 with librarium research "What are the best alternatives to Google Analytics?" --deep. Playback makes no provider calls; durations are historical.

Best Google Analytics alternatives

model provider-managed

There is no single winner: the right replacement depends on whether you need simple website reporting, privacy/data control, product analytics, UX replay, or enterprise customer-journey analysis.

Best choice	Choose it when	Why it stands out	Main trade-off
Plausible Analytics	You want the best default for a content, marketing, SaaS landing, or small-to-medium business site	A deliberately simple, privacy-first web dashboard with goals, funnels, revenue tracking, journeys, scroll depth, custom properties, scheduled reports, and shareable dashboards. It is the strongest general replacement when GA4 feels overcomplicated. Plausible features	It is not designed for person-level behavioral analysis, ad-audience building, or a highly custom raw-event warehouse workflow.

What you can do with Plausible Cookieless web analytics List of Features in Matomo Analytics 14 citations in the capture

preset high · observed model openai/gpt-5.6-sol (provider-reported)

Best overall: Plausible for most small and midsize websites—it is simple, cookieless, privacy-focused and starts at $9/month. Matomo is the closest full-featured GA4 replacement, while PostHog is the strongest choice for SaaS and product analytics.

Alternative	Best for	Why choose it	Pricing snapshot	Main limitation
Plausible Analytics	Most marketing sites, blogs and small businesses	Clean dashboard, goals and campaigns without cookies, persistent identifiers or cross-site tracking	From $9/month	Less granular user-level and product analysis than GA4

Plausible Analytics Pricing - Simple Analytics Plausible Analytics Pricing 2026: Plans, Costs & Breakdown 30 citations in the capture

model provider-managed

There is no single best replacement; choose based on whether you need simple website reporting, privacy, product analytics, or enterprise attribution.

Alternative	Best for	Main strengths	Main trade-off
Matomo	Closest full-featured GA replacement	GA-like reports, goals, funnels, ecommerce, heatmaps, session recordings; self-hosting provides data ownership	More complex to configure and maintain
Plausible	Small businesses, blogs, marketing sites	Lightweight, cookieless, privacy-focused, simple dashboard, optional self-hosting	Less depth in user journeys, ecommerce, and behavioral analysis
Fathom	Polished, privacy-first reporting	Very simple hosted analytics, cookieless tracking, campaign and conversion reporting	Cloud-only and narrower than Matomo

Plausible vs Matomo - Analytics Platform - Matomo Why Fathom Analytics is a great Matomo alternative Best Google Analytics Alternatives: 9 Tools Compared 6 citations in the capture

Which tools did each excerpt name?

A mention is not an endorsement. “—” means the tool is not in the displayed excerpt, not that the full report ruled it out.

Exa
Plausible
Perplexity
Plausible, Matomo, PostHog
Gemini
None of these four tools named in the excerpt
Parallel
Plausible, Matomo
You.com
Plausible, Matomo, Fathom

Provider	Plausible	Matomo	PostHog	Fathom
Exa	✓	—	—	—
Perplexity	✓	✓	✓	—
Gemini	—	—	—	—
Parallel	✓	✓	—	—
You.com	✓	✓	—	✓

Check where providers agree.

Every answer keeps its provider and cited pages. Agreement is a lead, not proof.

Plausible

named in 4 of 5 provider excerpts

ExaNamed
PerplexityNamed
GeminiNot in excerpt
ParallelNamed
You.comNamed

Only the displayed excerpts are compared. Open the Answers tab to read their wording and citations.

Current Run shape: an unchanged, single-result librarium.run/1 contract fixture. This is a separate example, not the historical capture above.

{
  "spec": "librarium.run/1",
  "id": "run_01JAB2C3D4E5F6G7H8J9K0M1N2",
  "question": "Replacing GA4 for an EU SaaS: compare Plausible, Fathom, and Matomo",
  "depth": "quick",
  "status": "done",
  "created_at": "2026-10-12T18:04:11Z",
  "finished_at": "2026-10-12T18:06:14Z",
  "cost": {
    "estimated": "0.10",
    "reported": "0.10",
    "complete": true,
    "max": null
  },
  "results": [
    {
      "source": "exa",
      "status": "done",
      "observation": "api",
      "answer": "## Findings\nPlausible fits small sites.",
      "citations": [
        {
          "url": "https://plausible.io/features",
          "title": "Plausible features"
        }
      ],
      "cost": {
        "estimated": "0.10",
        "reported": "0.10"
      },
      "started_at": "2026-10-12T18:04:12Z",
      "duration_ms": 122000,
      "provenance": {
        "provider": "exa",
        "variant": "search",
        "model": null,
        "collector": null
      },
      "error": null
    }
  ],
  "skipped": [],
  "notices": []
}

Choose how far to go.

Source selection

Quick research · default
Get a first answer.
Fast, cited answers for everyday questions.
quick command
```
librarium research "What are the best alternatives to Google Analytics?"
```
Deep research
Investigate further.
Full, cited reports for questions that need real digging. Start one and pick it up later by its Run ID.
deep command
```
librarium research "What are the best alternatives to Google Analytics?" --deep
```
AI answer engines · select by name
Check AI answer engines.
See what ChatGPT, Gemini, and Copilot recommend in your category, and which pages they cite.
AI answer engines command
```
librarium research "What are the best alternatives to Google Analytics?" --only chatgpt,gemini-app,copilot
```

Keep the evidence. Keep control.

See what it will cost before it runs.

Preview any question for free: see which sources would run and what each would cost, before anything is called. How budgets work →

Preview a $1 deep research run on "What are the best alternatives to Google Analytics?" with Parallel and You.com. Show me the estimates; don't run it yet.

librarium research "What are the best alternatives to Google Analytics?" --deep --only parallel,you --max-cost 1 --dry-run

await librarium.research('What are the best alternatives to Google Analytics?', {
  depth: 'deep',
  only: ['parallel', 'you'],
  maxCost: '1.00',
  dryRun: true,
});

Librarium::research('What are the best alternatives to Google Analytics?')
    ->deep()
    ->only(['parallel', 'you'])
    ->maxCost('1.00')
    ->dryRun();

Come back to long-running research.

Deep research can take minutes. Start it, walk away, and pick it up later by its Run ID. How recovery works →

You.com35s
Perplexity1m 01s
Exa2m 02s
Parallel4m 31s
Gemini5m 07s

Start deep research on "What are the best alternatives to Google Analytics?" without waiting, and give me the Run ID. I'll ask for the results later.

librarium research "What are the best alternatives to Google Analytics?" --deep --no-wait
librarium show <run-id> --wait

const started = await librarium.research('What are the best alternatives to Google Analytics?', {
  depth: 'deep',
  wait: false,
});
const later = await librarium.get(started.id, { wait: true });

$queued = Librarium::research('What are the best alternatives to Google Analytics?')
    ->deep()
    ->queue();

$run = Librarium::find($queued->id())?->refresh();