# Thunderdome

> The B2B SaaS AI Perception Index: what ChatGPT, Claude, and Gemini believe each brand is, and which brands they actually recommend when buyers ask what software to buy. Measured monthly from real model answers via production APIs; free, ungated, no paid placement.

Current snapshot: September 2026. 104 software categories, 832 buyer-intent prompts, 7,488 model answers across 3 models. Every score traces to an archived verbatim answer. Cite freely with attribution and a link to https://thunderdome.io.

## Core pages

- [Methodology](https://thunderdome.io/methodology): prompts, sampling, the 0-100 Visibility Score formula, limitations
- [About](https://thunderdome.io/about): what this is and who makes it
- [The Thunderdome Report](https://thunderdome.io/report): the monthly editorial read of the data
- [Compare brands](https://thunderdome.io/compare): head-to-head brand comparisons within a category
- [All brands](https://thunderdome.io/brands): every published brand (1241) ranked by best Visibility Score, linking to each brand page
- [Best-for buying questions](https://thunderdome.io/best): 74 published pages at /best/<category>/<qualifier>, who wins each qualified buying question (size, industry, budget, job, switching), with openness grades
- [Prompt trees](https://thunderdome.io/prompt-trees): the measured trunk questions plus the long-tail variant space per category
- [Model Bias Atlas](https://thunderdome.io/model-bias): where ChatGPT, Claude, and Gemini disagree about the same brand (20+ point divergences only)
- Head-to-head pages at /vs/<brand>-vs-<brand>: every category's #1 vs #2 with per-model preferences and the question-by-question fight (all listed on /compare)

## Category rankings

- [CRM](https://thunderdome.io/crm): #1 HubSpot (86/100), market state: leader emerging
- [Marketing Automation](https://thunderdome.io/marketing-automation): #1 HubSpot (93/100), market state: locked up
- [Customer Support](https://thunderdome.io/customer-support): #1 Zendesk (78/100), market state: locked up
- [No-Code & Internal Tool Builders](https://thunderdome.io/no-code-builders): #1 Retool (94/100), market state: locked up
- [Project Management](https://thunderdome.io/project-management): #1 Jira (60/100), market state: contested
- [Product Analytics](https://thunderdome.io/product-analytics): #1 PostHog (84/100), market state: contested
- [Sales Engagement & Outbound](https://thunderdome.io/sales-engagement): #1 Apollo.io (79/100), market state: leader emerging
- [HR & Payroll](https://thunderdome.io/hr-payroll): #1 Rippling (64/100), market state: contested
- [BI & Data Analytics](https://thunderdome.io/bi-analytics): #1 Power BI (73/100), market state: contested
- [E-signature & Contracts](https://thunderdome.io/esignature-contracts): #1 DocuSign (73/100), market state: contested
- [Data Integration & ETL](https://thunderdome.io/data-integration): #1 Fivetran (69/100), market state: leader emerging
- [Subscription Billing](https://thunderdome.io/subscription-billing): #1 Stripe (88/100), market state: locked up
- [Session Replay & Heatmaps](https://thunderdome.io/session-replay): #1 Hotjar (71/100), market state: leader emerging
- [Email Marketing](https://thunderdome.io/email-marketing): #1 Mailchimp (50/100), market state: contested
- [Video Conferencing](https://thunderdome.io/video-conferencing): #1 Zoom (83/100), market state: leader emerging
- [FP&A & Financial Planning](https://thunderdome.io/fpa): #1 Anaplan (59/100), market state: contested
- [Technical Interviewing & Assessment](https://thunderdome.io/tech-hiring): #1 HackerRank (67/100), market state: leader emerging
- [3D Virtual Tours & Spatial Capture](https://thunderdome.io/virtual-tours): #1 Matterport (97/100), market state: locked up
- [Inventory Planning](https://thunderdome.io/inventory-planning): #1 Inventory Planner (51/100), market state: leader emerging
- [Warehouse Management (WMS)](https://thunderdome.io/warehouse-management): #1 Manhattan Associates (62/100), market state: leader emerging
- [Route Planning & Optimization](https://thunderdome.io/route-planning): #1 Circuit (59/100), market state: leader emerging
- [Communications APIs (CPaaS)](https://thunderdome.io/cpaas): #1 Twilio (85/100), market state: leader emerging
- [SaaS Procurement & Spend](https://thunderdome.io/saas-procurement): #1 Zylo (67/100), market state: leader emerging
- [AI App Builders](https://thunderdome.io/ai-app-builders): #1 Lovable (64/100), market state: leader emerging
- [Docs & Knowledge Management](https://thunderdome.io/docs-knowledge): #1 Notion (82/100), market state: leader emerging
- [Website Builders](https://thunderdome.io/website-builders): #1 Webflow (64/100), market state: leader emerging
- [Freelance & Talent Marketplaces](https://thunderdome.io/freelance-marketplaces): #1 Upwork (77/100), market state: leader emerging
- [AI Video Creation](https://thunderdome.io/ai-video): #1 Descript (51/100), market state: contested
- [Coaching & Development Platforms](https://thunderdome.io/coaching-platforms): #1 BetterUp (64/100), market state: leader emerging
- [Corporate Learning (LMS)](https://thunderdome.io/corporate-lms): #1 Docebo (59/100), market state: leader emerging
- [Publishing & Newsletters](https://thunderdome.io/publishing-newsletters): #1 Substack (63/100), market state: contested
- [SEO Crawlers & Site Audit](https://thunderdome.io/seo-crawlers): #1 Screaming Frog (74/100), market state: leader emerging
- [AI Visibility & AEO](https://thunderdome.io/ai-visibility): #1 Profound (49/100), market state: leader emerging
- [Rank Tracking](https://thunderdome.io/rank-trackers): #1 AccuRanker (65/100), market state: contested
- [Code Hosting & Collaboration](https://thunderdome.io/code-collaboration): #1 GitHub (88/100), market state: leader emerging
- [IT Service Management (ITSM)](https://thunderdome.io/itsm): #1 ServiceNow (75/100), market state: contested
- [Incident Management & On-Call](https://thunderdome.io/incident-management): #1 PagerDuty (83/100), market state: locked up
- [Employee Engagement & Experience](https://thunderdome.io/employee-engagement): #1 Culture Amp (76/100), market state: locked up
- [Performance Management](https://thunderdome.io/performance-management): #1 Lattice (86/100), market state: locked up
- [LLM & Agent Evals](https://thunderdome.io/llm-evals): #1 LangSmith (77/100), market state: locked up
- [Legal Practice Management](https://thunderdome.io/legal-practice): #1 Clio (79/100), market state: leader emerging
- [Accounting & Bookkeeping Practice Management](https://thunderdome.io/accounting-practice): #1 Karbon (72/100), market state: leader emerging
- [Staffing & Recruiting Software](https://thunderdome.io/staffing-recruiting): #1 Bullhorn (59/100), market state: leader emerging
- [Medical Practice Management & EHR](https://thunderdome.io/medical-ehr): #1 athenahealth (69/100), market state: leader emerging
- [Dental Practice Management](https://thunderdome.io/dental-practice): #1 Curve Dental (62/100), market state: leader emerging
- [Behavioral & Mental Health Practice](https://thunderdome.io/mental-health): #1 SimplePractice (73/100), market state: leader emerging
- [Veterinary Practice Software](https://thunderdome.io/veterinary): #1 ezyVet (68/100), market state: leader emerging
- [Construction Project Management](https://thunderdome.io/construction-management): #1 Procore (74/100), market state: leader emerging
- [Field Service Management](https://thunderdome.io/field-service): #1 Jobber (71/100), market state: leader emerging
- [Auto Repair Shop Management](https://thunderdome.io/auto-repair): #1 Tekmetric (75/100), market state: locked up
- [Restaurant POS & Management](https://thunderdome.io/restaurant-pos): #1 Toast (85/100), market state: leader emerging
- [Hotel Property Management System](https://thunderdome.io/hotel-pms): #1 Cloudbeds (75/100), market state: leader emerging
- [Salon & Spa Management](https://thunderdome.io/salon-spa): #1 Vagaro (67/100), market state: leader emerging
- [Fitness & Gym Management](https://thunderdome.io/fitness-gym): #1 Mindbody (68/100), market state: leader emerging
- [Property Management](https://thunderdome.io/property-management): #1 Buildium (60/100), market state: leader emerging
- [Real Estate CRM](https://thunderdome.io/real-estate-crm): #1 Follow Up Boss (82/100), market state: locked up
- [Nonprofit Fundraising & CRM](https://thunderdome.io/nonprofit-crm): #1 Bloomerang (76/100), market state: locked up
- [Church Management Software](https://thunderdome.io/church-management): #1 Planning Center (82/100), market state: locked up
- [K-12 School Management (SIS)](https://thunderdome.io/k12-sis): #1 PowerSchool (63/100), market state: leader emerging
- [Freight & Transportation Management (TMS)](https://thunderdome.io/freight-tms): #1 MercuryGate (35/100), market state: greenfield
- [Fleet Management](https://thunderdome.io/fleet-management): #1 Samsara (79/100), market state: locked up
- [Insurance Agency Management](https://thunderdome.io/insurance-agency): #1 Applied Epic (68/100), market state: contested
- [Loan Origination & Lending Software](https://thunderdome.io/lending-loan): #1 nCino (50/100), market state: leader emerging
- [Agriculture & Farm Management](https://thunderdome.io/agriculture): #1 Climate FieldView (59/100), market state: leader emerging
- [Marketing Agency Management](https://thunderdome.io/marketing-agency): #1 Productive (51/100), market state: contested
- [Architecture & Engineering (AEC)](https://thunderdome.io/architecture-aec): #1 BQE CORE (47/100), market state: contested
- [Consulting & Professional Services Automation](https://thunderdome.io/consulting-psa): #1 Kantata (57/100), market state: leader emerging
- [Translation & Localization](https://thunderdome.io/translation-localization): #1 Phrase (78/100), market state: locked up
- [Home Health & Hospice](https://thunderdome.io/home-health): #1 WellSky (63/100), market state: leader emerging
- [Chiropractic Practice Management](https://thunderdome.io/chiropractic): #1 Jane App (82/100), market state: contested
- [Optometry & Eye Care Practice](https://thunderdome.io/optometry): #1 RevolutionEHR (81/100), market state: locked up
- [Physical Therapy Practice](https://thunderdome.io/physical-therapy): #1 WebPT (74/100), market state: leader emerging
- [Pharmacy Management](https://thunderdome.io/pharmacy): #1 PioneerRx (79/100), market state: locked up
- [Med Spa & Aesthetics](https://thunderdome.io/med-spa): #1 Aesthetic Record (58/100), market state: contested
- [Dental Lab Management](https://thunderdome.io/dental-lab): #1 LabStar (51/100), market state: leader emerging
- [Pest Control Business Management](https://thunderdome.io/pest-control): #1 FieldRoutes (64/100), market state: leader emerging
- [Commercial Cleaning & Janitorial](https://thunderdome.io/cleaning-janitorial): #1 Swept (59/100), market state: contested
- [Landscaping & Lawn Care](https://thunderdome.io/landscaping-lawn): #1 Jobber (85/100), market state: locked up
- [Roofing Contractor Management](https://thunderdome.io/roofing): #1 JobNimbus (80/100), market state: leader emerging
- [Moving & Storage Management](https://thunderdome.io/moving-storage): #1 SmartMoving (82/100), market state: locked up
- [Pool Service Management](https://thunderdome.io/pool-service): #1 Skimmer (87/100), market state: locked up
- [Car Wash Management](https://thunderdome.io/car-wash): #1 DRB Systems (80/100), market state: locked up
- [Catering Management](https://thunderdome.io/catering): #1 Total Party Planner (66/100), market state: leader emerging
- [Event & Venue Management](https://thunderdome.io/event-venue): #1 Tripleseat (57/100), market state: leader emerging
- [Winery & Brewery Management](https://thunderdome.io/winery-brewery): #1 Ekos (69/100), market state: leader emerging
- [HOA & Community Association Management](https://thunderdome.io/hoa-community): #1 AppFolio (64/100), market state: contested
- [Commercial Real Estate](https://thunderdome.io/commercial-real-estate): #1 MRI Software (43/100), market state: contested
- [Self-Storage Management](https://thunderdome.io/self-storage): #1 storEDGE (59/100), market state: contested
- [Childcare & Daycare Management](https://thunderdome.io/childcare): #1 Brightwheel (85/100), market state: leader emerging
- [Higher Education SIS](https://thunderdome.io/higher-ed-sis): #1 Anthology Student (48/100), market state: contested
- [Museum & Cultural Institution](https://thunderdome.io/museum-cultural): #1 PastPerfect (47/100), market state: leader emerging
- [Funeral Home & Cemetery Management](https://thunderdome.io/funeral-home): #1 Passare (74/100), market state: leader emerging
- [Last-Mile Delivery & Courier](https://thunderdome.io/last-mile-delivery): #1 Onfleet (61/100), market state: leader emerging
- [Trucking & Carrier Management](https://thunderdome.io/trucking-carrier): #1 Motive (39/100), market state: greenfield
- [Wealth Management & Financial Advisor](https://thunderdome.io/wealth-advisor): #1 Orion (53/100), market state: leader emerging
- [Mortgage Lending & Origination](https://thunderdome.io/mortgage): #1 Encompass (64/100), market state: leader emerging
- [Debt Collection Agency](https://thunderdome.io/debt-collection): #1 Collect! (40/100), market state: greenfield
- [E-commerce Operations](https://thunderdome.io/ecommerce-ops): #1 Linnworks (44/100), market state: greenfield
- [Cannabis Retail & Dispensary](https://thunderdome.io/cannabis-dispensary): #1 Dutchie (81/100), market state: locked up
- [Retail POS & Store Management](https://thunderdome.io/retail-pos): #1 Shopify POS (79/100), market state: contested
- [Franchise Management](https://thunderdome.io/franchise-management): #1 FranConnect (83/100), market state: locked up
- [Manufacturing ERP](https://thunderdome.io/manufacturing-erp): #1 Epicor Kinetic (38/100), market state: greenfield
- [Food & Beverage Manufacturing](https://thunderdome.io/food-beverage-manufacturing): #1 Aptean (49/100), market state: leader emerging
- [Equipment Rental Management](https://thunderdome.io/equipment-rental): #1 Point of Rental (79/100), market state: locked up

## Notes for agents

- Category pages list the top 15 brands with per-model breakdowns and the exact prompts asked.
- Each measured prompt has its own page with verbatim model answers (linked from every category page).
- Brand pages (/brand/<name>) cover every ranked brand with per-model scores and the official site link.
- Rankings change monthly; always cite the snapshot month shown on the page.