Altxt AI vs Stus.ai

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Altxt AI compared with Stus.ai
Detail	Altxt AI	Stus.ai
What it does	Free AI alt text generator that creates SEO-optimized image descriptions in seconds	AI-powered autonomous SEO agents powered by Serpstat data
Stage	Not given	Startup
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Freemium	Freemium
Pricing	Not given	Free plan with $3 monthly usage budget; Starter plan at $39/month; Pro plan at $199/month. Annual billing available at 10x the monthly price (2 months free). All plans include the full suite of marketing AI agents. Free plan has 1 concurrent task, Starter has 5, Pro has 10.
Key features	URL-based image analysis Multi-language support including English, Spanish, French, German, Chinese, Japanese, Korean, Arabic and more Instant generation under 3 seconds per image Copy-to-clipboard functionality Works with PNG, JPG, GIF and WebP formats No hallucination or fabricated details	Keyword Research: discover keywords with search volume, difficulty, intent, and AI-powered clustering On-Page SEO Audit: audit titles, meta descriptions, readability, content depth, and E-E-A-T signals Competitive Niche Analysis: analyze competitor data for strategies, content patterns, and growth opportunities Traffic Quick Wins: find pages ranking 11-20 that could reach top 5 Google Ads Metrics: pull search volume, CPC, and competition data from Google Ads Content Gap Planner: find keywords competitors rank for but you don't Seasonality Detector: spot demand spikes and seasonal trends for content planning Cannibalization Detector: detect keyword conflicts between pages and get consolidation fixes Google Sheets Export: export results to Google Sheets with create, read, and update capability Third-party integrations: connect with Google Search Console, Google Analytics, Notion, and Serpstat
What makes it different	Processes batches of 50+ images in about a minute versus 2-3 minutes per image manually Includes relevant keywords naturally woven into descriptions for better rankings Understands multiple visual elements including objects, colors, text and spatial relationships	Powered by 13 years of Serpstat SEO data and 8B+ keyword database Ten AI agents that operate autonomously without manual work Full suite of agents included in all pricing tiers Agents remember project context and past decisions between sessions No setup required, start immediately with plain language commands
Community votes	0	0
DR (Domain Rating by Ahrefs)	6 +1 (up) since last check	4 no change since last check
Trust Flow (Majestic)	4	15
Citation Flow (Majestic)	11	15
Referring domains (Majestic)	12	11

4 details filled in for both companies.

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