Why LLM SEO Tools Exist — and Why This Comparison Matters
Traditional SEO tools measure Google rankings. They have zero visibility into how AI models like ChatGPT, Claude, Perplexity, and Gemini decide which brands to recommend in their answers. By mid-2026, an estimated 30–40% of informational searches now start in an AI engine — and that share grows every month.
LLM SEO tools (sometimes called AEO or Answer Engine Optimization tools) fill that gap. They query AI engines directly on your behalf, measure whether your brand is being cited, score your visibility, and — in the better tools — tell you exactly what to fix to improve.
This is not a "best tool" list. It's a neutral analyst guide. We built AISearchStackHub to be the analyst, not a participant in this comparison — so you get an honest look at what each tool does well, where it falls short, and who should use it. Start with our free scan to benchmark your current score before evaluating any tool.
Our Role: Neutral Analyst, Not Tool Vendor
AISearchStackHub doesn't appear in this comparison's feature matrix. We're the analyst, not a participant. Our job is to give you an honest framework for evaluating these tools — not to steer you toward our product. That said: our free scan does give you a real baseline score across all four engines, which is the logical first step before paying for any subscription.
For a full pricing breakdown and comparison including AISearchStackHub's own feature set, see our Best AI SEO Tools 2026 comparison.
Feature Comparison Matrix
✅ Full support · ⚡ Partial / limited · ❌ Not available · Rows ordered by importance
| Feature | Peec AI |
AthenaHQ |
Scrunch |
AIclicks |
Otterly.AI |
|---|---|---|---|---|---|
| Engine Coverage | |||||
| ChatGPT tracking | ✅ | ✅ | ✅ | ✅ | ✅ |
| Claude tracking | ⚡ Partial | ✅ | ⚡ | ⚡ | ❌ |
| Perplexity tracking | ✅ | ✅ | ✅ | ✅ | ✅ |
| Gemini tracking | ⚡ | ⚡ | ⚡ | ⚡ | ❌ |
| Engines covered (total) | 3 | 3 | 3 | 3 | 2 |
| Visibility Tracking | |||||
| Unified visibility score (0–100) | ⚡ | ⚡ | ⚡ | ⚡ | ⚡ |
| Citation gap analysis | ⚡ | ✅ | ⚡ | ⚡ | ⚡ |
| Competitor tracking | ✅ | ✅ | ✅ | ⚡ | ✅ |
| Historical trend charts | ✅ | ⚡ | ⚡ | ⚡ | ✅ |
| Scan frequency (fastest plan) | Weekly+ | Weekly | Weekly | Weekly | Weekly |
| Reporting & API | |||||
| Exportable PDF reports | ✅ White-label | ⚡ | ✅ | ⚡ | ✅ |
| Slack / email alerts | ✅ | ⚡ | ✅ | ⚡ | ⚡ |
| API access | ✅ Growth+ | ❌ | ✅ Pro | ⚡ Beta | ⚡ Beta |
| White-label / agency mode | ✅ | ❌ | ⚡ | ❌ | ❌ |
| Content & Optimization | |||||
| Content recommendations | ⚡ | ✅ | ⚡ | ✅ | ⚡ |
| Hallucination detection | ❌ | ⚡ | ⚡ | ⚡ | ⚡ |
| Free tier | ❌ | ❌ | ⚡ Basic | ⚡ Basic | ⚡ 5 queries/mo |
| Multi-client dashboard | ✅ | ⚡ Limited | ✅ | ⚡ | ❌ |
* Feature availability verified May 2026. Tool roadmaps change — verify current availability on vendor sites.
Pricing Comparison 2026
Pricing as of May 2026. All figures in USD/month (annual billing where available).
| Tool | Free Tier | Starter | Growth / Pro | Enterprise |
|---|---|---|---|---|
| Peec AI | ❌ | ~$99/mo | ~$299/mo | Custom |
| AthenaHQ | ❌ | ~$149/mo | ~$399/mo | Custom |
| Scrunch | ⚡ Basic | ~$79/mo | ~$249/mo | Custom |
| AIclicks | ⚡ Basic | ~$69/mo | ~$179/mo | Custom |
| Otterly.AI | ⚡ 5 queries | ~$79/mo | ~$199/mo | Custom |
* Competitor pricing estimated from public pages and review sites. Verify current pricing on vendor sites.
See How Your Brand Scores Across All 4 Engines
Before evaluating any paid tool, get your free baseline score. 60 seconds, no credit card.
Run Your Free Scan →What to Look For in an LLM SEO Tool
This is our value-add: a framework for evaluating any LLM SEO tool, not just the five here. Use this when tools add features or when new competitors emerge.
Engine Coverage
Minimum bar: all four major AI engines (ChatGPT, Claude, Perplexity, Gemini). If a tool only tracks 1-2, you're working with an incomplete picture. A brand can score 85/100 on ChatGPT and 30/100 on Claude simultaneously — two-engine coverage hides half the story.
Scoring Methodology Transparency
A 0–100 score without explanation is useless. You need to understand what signals drive the score — entity clarity, citation frequency, content structure, authority signals. Vague scores that can't be explained are a red flag.
Actionable Recommendations
Any tool can tell you your score. Good tools tell you what to do next. Look for citation gap analysis that surfaces specific content types, authority gaps, and structured data opportunities — ranked by impact.
Pricing Clarity
Watch for pricing that's quoted as "starting at" but requires expensive tiers for the features you need. Check whether scan frequency, brand count, and API access are gated behind higher tiers.
Update Frequency
AI engines change their citation behavior regularly. Weekly scanning is the minimum for competitive niches; daily scanning is needed if you're in a sector where AI citation is actively contested. Monthly scans miss too much.
Integration & API Access
If you're integrating LLM SEO data into a custom reporting stack or client portal, API access is non-negotiable. Many tools gate API behind Enterprise tiers at $500+/month. Know what you need before you sign up.
Per-Tool Deep Dives
Peec AI
Peec AI is built for agencies managing multiple client brands. Multi-client dashboards, white-label PDF reports, and solid API access on Growth plans make it the most practical choice for agency teams serving brands that need LLM SEO monitoring. Coverage spans ChatGPT and Perplexity fully, with partial coverage of Claude and Gemini. The lack of a free tier is the main friction point for evaluation.
✅ Strengths
- → Multi-client dashboard design built for agencies
- → White-label PDF reports for client delivery
- → API access on Growth plan
- → Strong Slack + email alerting
- → ChatGPT + Perplexity fully covered
⚠️ Limitations
- → No Claude tracking fully available
- → Gemini coverage is partial
- → No free tier — hard to evaluate before buying
- → Lighter on AEO guidance vs platforms with content recommendations
AthenaHQ
AthenaHQ is a newer entrant that has built 3-engine coverage (ChatGPT, Claude, Perplexity) with solid content recommendation features — its strongest differentiator. The platform is developing actively and has a modern dashboard design. No free tier and no API access yet limits adoption for agencies and technical teams. Watch this one — the feature trajectory is strong.
✅ Strengths
- → Claude + ChatGPT + Perplexity (3 engines, not 2)
- → Strong content recommendation quality
- → Modern UX and clean dashboard design
- → Citation gap analysis with actionable output
⚠️ Limitations
- → No Gemini tracking yet
- → No API access
- → No free tier
- → Smaller feature set vs more mature platforms
Scrunch
Scrunch takes a different approach from most LLM SEO tools: it's a unified platform for SEO, social media management, and LLM visibility tracking. If you're already using Scrunch for social or keyword tracking, adding LLM SEO to the same platform is a practical consolidation move. The trade-off is that none of these features are as deep as dedicated tools in each category.
✅ Strengths
- → All-in-one: SEO + social + LLM in one dashboard
- → ChatGPT + Perplexity coverage
- → Free tier for basic keyword tracking
- → API access on Pro plan
- → Good for teams that hate tool sprawl
⚠️ Limitations
- → LLM SEO depth is secondary to SEO/social
- → Claude and Gemini coverage is partial
- → Content recommendations less thorough than dedicated AEO tools
- → Best-of-breed competitors beat it in each individual category
AIclicks
AIclicks is the newest player in this comparison — a fast-moving product with a modern interface and aggressive development cadence. It covers ChatGPT, Perplexity, and partial Claude tracking with growing content optimization features. The product is evolving quickly, which means active improvements but also some rough edges. Best suited for teams that want a modern tool and are comfortable with a platform that's still finding its footing.
✅ Strengths
- → Modern, clean user interface
- → Active development — features added regularly
- → ChatGPT + Perplexity coverage
- → Content recommendations on growing feature set
- → Competitive pricing for the feature level
⚠️ Limitations
- → Claude coverage is partial, not comprehensive
- → API in beta — not production-ready
- → Gemini not covered yet
- → Less established user community and support resources
Otterly.AI
Otterly.AI has the cleanest user experience in this comparison — a focused interface built around prompt monitoring. You define specific prompts to track and it monitors your brand's appearance across ChatGPT and Perplexity. Good for teams that already know which queries matter and want clean dashboards. Historical trends are solid. The platform is lighter on AEO optimization guidance and doesn't cover Claude or Gemini.
✅ Strengths
- → Clean, focused UX for prompt monitoring
- → ChatGPT + Perplexity coverage
- → Good historical tracking and trend charts
- → Affordable entry price
- → Low learning curve
⚠️ Limitations
- → No Claude or Gemini tracking
- → Limited AEO optimization guidance
- → No asset library or citation bank
- → API in beta only
How to Choose: Decision Framework
No tool is "best" for everyone. Use this framework to match your situation to the right tool.
White-label reports and multi-client dashboards are the core differentiator. API access on Growth plan enables agency integrations. The no-free-tier friction is real, but the agency workflow is the best in this group.
The only tool in this comparison with comprehensive Claude coverage AND strong content recommendations — the combination that matters most for AEO. Still maturing but the trajectory is strong.
If tool consolidation matters to you and you're already using or would use Scrunch for social, the LLM SEO add-on makes strategic sense. Don't expect best-of-breed depth in any single category.
Fast development, modern UI, competitive pricing. The right choice if you're comfortable with a platform that's still finding its footing. Watch the Claude and API development closely.
Cleanest interface in the group. Best for teams that know which prompts matter, want historical tracking, and don't need Claude or Gemini coverage. Free tier (5 queries/month) is the easiest evaluation option.
The only platform with full ChatGPT + Claude + Perplexity + Gemini coverage. Free scan with real scores and top 3 citation gaps — no credit card. Start here to establish your baseline before committing to any subscription. Full comparison including our pricing →
⚠️ The coverage gap in this comparison
None of these 5 tools cover all four major AI engines comprehensively. AthenaHQ covers 3 well; the others cover 2-3 with gaps. If 4-engine coverage is non-negotiable for you, AISearchStackHub's free scan is the right first step to understand your complete picture before picking a tool.
Get Your Free Baseline Score
Before paying for any tool, know where you stand. 60-second scan across ChatGPT, Claude, Perplexity, and Gemini. No credit card, no sales pitch.
Run Your Free Scan →Frequently Asked Questions
What is the best LLM SEO tool in 2026?
There is no single best tool — it depends on your use case. For complete 4-engine coverage, AISearchStackHub is most comprehensive. For agency white-labeling, Peec AI has the strongest feature set. For mid-market prompt monitoring, Otterly.AI has the cleanest UX. For 3-engine tracking with content recommendations, AthenaHQ is strong. Scrunch is best for teams wanting SEO + social + LLM in one platform.
What is the difference between LLM SEO and traditional SEO?
Traditional SEO optimizes for Google's ranked results using backlinks and keyword density. LLM SEO optimizes for AI citation — ensuring models like ChatGPT, Claude, Perplexity, and Gemini reference your brand when answering questions. Entity clarity, structured data, and content authority matter more than link count. The two practices overlap but are not the same. Learn more in our What is AEO? guide.
How many AI engines should an LLM SEO tool track?
At minimum, all four major AI engines: ChatGPT, Claude, Perplexity, and Gemini. Brands score differently across all four — a company can score 85/100 on ChatGPT and 28/100 on Claude simultaneously. Tools that only track 1-2 engines give you a false sense of security. Get your complete picture with the AISearchStackHub free scan.
Do these tools offer free tiers?
Free tiers are rare in this space. AISearchStackHub offers a free brand visibility scan with real scores across all four engines. Otterly.AI has a limited free tier (5 queries/month). Peec AI and AthenaHQ do not offer free tiers. Scrunch and AIclicks have basic free plans for keyword tracking but LLM visibility features require paid plans.
Which LLM SEO tool is best for agencies?
Peec AI and AISearchStackHub Enterprise are the strongest agency options. Peec AI offers multi-client dashboards and white-label PDF reports. AISearchStackHub Enterprise adds 4-engine coverage and API access for teams needing deep integrations.
What features actually matter in an LLM SEO tool?
Five non-negotiables: (1) coverage of all 4 major engines; (2) citation gap analysis that explains what to fix; (3) monitoring frequency (weekly minimum, daily for competitive niches); (4) competitor tracking; (5) actionable recommendations, not just raw scores. Most tools score you on 2-3 of these five.
How much does LLM SEO tooling cost?
Entry-level plans: $69-149/month for single-brand tracking on 2-3 engines. Multi-brand plans with daily scanning: $179-399/month. Enterprise tiers with API and white-labeling: $699-2,499/month. The total cost of ownership is often lower with a single 4-engine platform than piecing together 2-3 tools for partial coverage.
Is it worth investing in LLM SEO tools now?
Yes — and the window is narrowing. As more brands optimize for AI citation, the bar for getting cited by ChatGPT, Claude, Perplexity, and Gemini rises every month. Early movers who build citation authority now are compounding an advantage that becomes harder to replicate later. Start with a free baseline scan to understand where you stand.