Generative Engine Optimization (GEO) is the practice of improving how your brand shows up in AI-generated answers — across ChatGPT, Perplexity, Google AI Overviews, Claude, and Gemini. Unlike traditional SEO, where ranking position is a binary outcome, GEO is about share of voice: how often your brand appears, what context surrounds it, and which sources the AI cites when it recommends you.
As AI search handles more of the buyer journey — answering “what’s the best project management tool for startups?” or “which CRM is recommended for B2B sales teams?” — the brands that have invested in GEO win the recommendation. Those that haven’t are invisible.
This guide covers the top 5 generative engine optimization tools in 2026, chosen for tracking breadth, data quality, actionability, and value.
Top 5 GEO tools — Comparison table
| Tool | Starting Price | AI Platforms | Best For | Free Trial |
|---|---|---|---|---|
| Airefs | $24/mo | ChatGPT + others | Source-level citations + Reddit monitoring | 7 days |
| Otterly AI | $29/mo | ChatGPT, Perplexity, AI Overviews, AI Mode, Gemini, Copilot | SMBs, Gartner Cool Vendor | 14 days |
| Profound | $99/mo | 10+ AI platforms | Enterprise teams, prompt volume data | Free AEO report |
| AthenaHQ | $295/mo | 8 AI platforms | YC-backed, exceptional case studies | First month 67% off |
| Writesonic GEO | $249/mo | 10+ AI platforms | Full GEO + SEO + content in one | Free trial |
1. Airefs
Airefs is built specifically for brands that want to know why they appear (or don’t) in AI answers — not just whether they do. The platform’s core differentiator is source-level transparency: for any tracked prompt, Airefs maps the exact articles, reviews, and forum threads that the AI cited when forming its answer.
This turns GEO from a guessing game into a clear action plan. If ChatGPT recommends a competitor because of a G2 review category page and a Reddit thread, Airefs shows you both. You can then prioritize whether to create new content targeting that category, or engage in the Reddit community.
Key features
- Source-level transparency — see the exact URLs AI models cite when mentioning your brand
- Multi-model tracking — monitor presence across ChatGPT, Perplexity, and other LLMs across multiple countries
- Competitor benchmarking — track share of voice relative to named competitors
- Reddit and discussion monitoring — identify influential forum threads where your brand can earn mentions
- Proactive alerts — notifications on new mentions and emerging content opportunities
- Done-for-you (DFY) option — agency package for teams that want execution, not just data
Pricing
| Plan | Price |
|---|---|
| Lite | $24/mo |
| Pro | $49/mo |
| Expert | $83/mo |
| DFY Agency | From $249/mo |
7-day free trial, no credit card required.
Who it’s for
Teams that want to understand the mechanics of AI citation — not just measure reach. Particularly effective for B2B SaaS companies where Reddit and third-party review sites heavily influence AI recommendations.
Website: getairefs.com
2. Otterly AI
Otterly AI is one of the most widely used GEO platforms in 2026, with 20,000+ marketing and SEO professionals and recognition from Gartner as a Cool Vendor in AI Marketing. Despite its Austrian indie-company origins, it has enterprise customers across 40+ countries.
The platform covers six major AI engines and includes a GEO Audit that assesses 25+ on-page factors for AI readiness. Automated weekly reports and keyword clustering make it easy to track progress without manually pulling data.
Key features
- 6-engine tracking — ChatGPT, AI Overviews, AI Mode, Perplexity, Gemini, Copilot
- GEO Audit — 25+ on-page factors scored for AI crawlability and citation likelihood
- Brand position and sentiment tracking — positive vs. negative AI mentions with competitor comparison
- Prompt library and keyword clustering — organize prompts by topic and intent
- LLM intent detection — understand which prompts are likely to trigger brand recommendations
- Automated weekly reports — email summaries of visibility changes
Pricing
| Plan | Price |
|---|---|
| Starter | $29/mo |
| Growth | $189/mo |
| Business | $489/mo |
| Enterprise | Custom |
Add-ons: AI Mode & Gemini tracking $9-149/mo depending on plan tier. 14-day free trial.
Who it’s for
SMBs, agencies, and marketing teams that want broad platform coverage at an accessible price. The Gartner Cool Vendor recognition and 4.9/5 G2 rating (250+ reviews) signal strong product quality for the price.
Website: otterly.ai
3. Profound
Profound is the G2 Winter 2026 Leader in the AEO/GEO category, backed by $58.5M in funding from Khosla Ventures, Kleiner Perkins, NVIDIA, and Sequoia. Its enterprise customer base (MongoDB, Ramp, Figma, DocuSign, Zapier) and proven results — Ramp achieved 7x AI visibility increase in weeks — make it the benchmark platform for large teams.
The platform’s unique strengths include Prompt Volumes data (how often users ask AI about specific topics), AI Shopping visibility for e-commerce, and an Agents module for AI-optimized content creation at scale. These go beyond monitoring into active GEO execution.
Key features
- 10+ AI platform tracking — ChatGPT, Perplexity, Claude, Gemini, Grok, Copilot, Meta AI, DeepSeek, Google AI Overviews, and more
- Prompt Volumes — AI search volume data to identify high-opportunity topics
- Share of voice and citation tracking — competitive benchmarking across all tracked platforms
- AI Shopping visibility — ChatGPT Shopping triggers and product analysis (unique feature)
- Agents module — AI-optimized listicles, how-tos, and comparisons with human-in-the-loop review
- Daily data refresh — all plans updated automatically each day
Pricing
| Plan | Price | Includes |
|---|---|---|
| Starter | $99/mo | ChatGPT only, 50 prompts |
| Growth | $399/mo | ChatGPT, Perplexity, AI Overviews, 100 prompts, content generation |
| Enterprise | Custom | All 10+ platforms, full features, API access |
Annual billing discount available.
Who it’s for
Enterprise marketing teams, PR and brand teams, and agencies managing multiple clients with significant GEO budgets. The Starter plan’s limitations (ChatGPT only, 50 prompts) make it less suited to budget-constrained teams.
Website: tryprofound.com
4. AthenaHQ
AthenaHQ is a YC-backed GEO platform built by a team from Google and DeepMind, with advisors from OpenAI and Anthropic. Its case studies are among the strongest in the category: Rootly achieved ~10x citation growth and $126K in incremental media value; Lago increased AI-driven demos by 50%; Gruns grew share of voice from 2% to 12.6% in 60 days.
The credit-based pricing model (each credit = one AI response) gives teams granular control over their tracking volume. All plans include unlimited seats with RBAC, making it unusually team-friendly at the $295/mo tier.
Key features
- 8 AI platform tracking — ChatGPT, Perplexity, Google AI Overviews, AI Mode, Gemini, Claude, Copilot, Grok
- On and off-page GEO analysis — surfaces both content improvements and external citation opportunities
- Competitor monitoring and impersonation detection — alerts when AI misattributes competitor content to your brand
- Citation intelligence and AI blindspot detection — identifies where your brand should appear but doesn’t
- Content optimization AI agent — Enterprise-tier Deep Research agent generates GEO-specific content briefs
- ACE citation engine — Enterprise feature for systematic citation building
- Unlimited seats on all plans — no per-user cost
Pricing
| Plan | Price | Credits |
|---|---|---|
| Self-Serve | $295/mo ($95/mo annual) | 3,600 credits/mo |
| Enterprise | Custom | Custom |
First month 67% off on Self-Serve. GA4, Google Search Console, Shopify, and Webflow integrations included.
Who it’s for
Growth-stage B2B companies that want enterprise-grade GEO methodology without an enterprise contract. The YC pedigree, exceptional case study data, and unlimited-seat model justify the premium vs. entry-level tools.
Website: athenahq.ai
5. Writesonic GEO
Writesonic GEO combines AI visibility monitoring with a full content production engine, powered by data from 120M+ proprietary AI chatbot conversations. With 20,000+ teams and Y Combinator backing, it’s one of the most widely adopted GEO platforms for mid-market teams that want both measurement and execution.
The AI Search Volume Explorer — built on 120M+ actual AI chatbot conversations — helps teams find the prompts users actually ask AI, rather than relying on synthetic or API-based keyword data. This is a meaningful differentiator for content strategy.
Key features
- 10+ AI platform tracking — daily refresh across ChatGPT, Perplexity, Google AI Overviews, Gemini, and more
- AI Visibility Action Center — citation gap identification, content opportunity recommendations, outreach templates
- AI Search Volume Explorer — 120M+ chatbot conversation data for prompt discovery
- SEO Suite integration — Ahrefs and Google Keyword Planner integration for unified GEO + SEO workflows
- Content Engine — 100+ source-backed articles with auto fact-checking, internal linking, and EEAT signals
- Sentiment analysis — positive/negative brand positioning tracking
Pricing
| Plan | Monthly | Annual | GEO Included |
|---|---|---|---|
| Professional | $249/mo | $199/mo | Yes — ChatGPT, Perplexity, AI Overviews; 100 prompts |
| Advanced | $499/mo | $399/mo | Yes — adds Gemini, 200 prompts, sentiment |
| Enterprise | Custom | Custom | All 10+ platforms, full Action Center |
GEO features require Professional ($249/mo) or higher. Lite and Standard plans do not include AI visibility tracking.
Who it’s for
Marketing teams that want a combined GEO + SEO + content production workflow in one platform. The $249/mo entry price is steep for monitoring-only use, but makes sense for teams that will use the content production features.
Website: writesonic.com
How to choose a GEO tool
The right generative engine optimization tool depends on where your team is in the GEO maturity curve:
Just getting started? Airefs ($24/mo) or Otterly AI ($29/mo) give you real monitoring data without a significant budget commitment. Both offer free trials.
Need enterprise-grade data with proven results? AthenaHQ’s case studies (10x citation growth, $126K incremental media value) and Profound’s G2 Leader status are the benchmarks to evaluate against.
Want GEO + SEO + content in one platform? Writesonic GEO’s unified workflow is designed for this use case, though the $249/mo entry for GEO is higher than dedicated monitoring tools.
Key metrics to track regardless of tool:
- Share of voice (% of AI answers that mention your brand vs. competitors)
- Citation rate (% of relevant prompts where your brand appears)
- Source diversity (how many different domains the AI cites for your brand)
- Sentiment ratio (positive vs. neutral vs. negative AI mentions)
Related reading:
- 12 Best AEO Tools in 2026
- Top 5 AEO Tools for AI Search Visibility in 2026
- 3 GEO Tools Under $50 in 2026
Airefs tracks your brand’s presence across AI search engines and surfaces the exact sources AI models cite when recommending your competitors. Start your free 7-day trial — no credit card required.