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Frase vs Scalenut vs Undetectable AI: Complete Comparison 2026
Select a category, then compare up to 3 tools side by side. Analyze features, pricing, and performance.

AI-powered SEO content optimization platform
Frase is an all-in-one AI-powered SEO and content optimization platform. It analyzes SERPs, generates optimized content briefs, and helps you write articles that rank at the top of search results.
Strengths
- Complete automated SERP analysis of competitors
- Detailed SEO content brief generation
- AI writing assistant with real-time suggestions
- Dynamic optimization score to guide writing
Limitations
- No permanent free version (limited trial)
- High pricing for small teams
- Learning curve to master all features
- Interface only in English
Pricing plans
- 1 user seat
- Unlimited AI words
- Basic SEO + GEO optimization
- Email support
- 3 user seats
- Advanced SEO + GEO research
- 5 brand voice profiles
- Content opportunities monitoring
- Priority support
- Everything in Professional
- AI Search Tracking (250 prompts)
- Track 3 brands on ChatGPT/Perplexity/Gemini/Claude
- 6-month historical trends
- Daily monitoring & alerts
- Everything in Professional
- Advanced AI Search Tracking (350 prompts)
- 10 brands tracked
- 24-month historical data
- 5 user seats
- Priority support

AI-powered SEO writing and optimization platform
Scalenut is an all-in-one AI platform combining content writing, keyword research and SEO optimization to boost organic visibility.
Strengths
- Cruise Mode for ultra-fast writing (< 5 minutes)
- Advanced NLP semantic term analysis
- 40+ content templates
- Built-in content audit
Limitations
- English-only interface
- Variable backlinks marketplace quality
- Less known than Surfer or Semrush
- Limited support on Starter plan
Pricing plans
- 10 prompt tracking/sem
- ChatGPT & Google AIO
- 1 workspace
- 5 articles GEO/mois
- 5 optimisations/mois
- Planificateur mots-clés basique
- 25 prompt tracking
- 2 workspaces
- 30 articles GEO/mois
- 30 optimisations/mois
- Audit contenu 200 pages/mois
- 4 membres équipe
- Backlinks marketplace
- Analyseur trafic
- Liens internes
- 100 prompt tracking
- ChatGPT, Google AIO & Perplexity
- Workspaces illimités
- 75 articles GEO/mois
- 75 optimisations/mois
- Audit 1000 pages/mois
- Membres illimités
- Planificateur avancé
- Analyse cannibalisation
- CSM dédié

Humanize your AI content to bypass detection
AI content detection and humanization tool to make your texts undetectable by scanners.
Strengths
- Simultaneous multi-source detection (GPTZero, OpenAI, etc.)
- Effective humanization with refund guarantee
- Also detects paraphrased content (QuillBot, Grammarly)
- 50+ languages supported
Limitations
- Using for academic cheating is discouraged
- Variable humanization quality in French
- Per-word pricing can get expensive
- Monthly plans expire at end of month
Pricing plans
- Détection IA gratuite
- Humanisation test
- Sans inscription
- 10 000 mots/mois
- Détection multi-sources
- Humanisation IA
- Extension Chrome
- 20 000 mots/mois
- Options de personnalisation
- Détection illimitée
- API compatible
- Crédits sur mesure
- Mots permanents
- Support prioritaire
- Contrôles données
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