# Ahrefs — AI Compare Ninja > SEO and AI marketing platform with backlink analysis, keyword research, site audit, and AI-prompt/brand-visibility tracking. ## Overview - **Category:** Content & SEO (SEO & content optimisation) - **Status:** Active · checked - Active AI marketing platform with SEO, backlink, and AI-visibility tools. Self-service signup is available. - **Paid from:** €27 / month (Starter) - **Free access:** Free plan - **Website:** https://ahrefs.com/de - **Canonical URL:** https://www.aicompare.ninja/en/tool/ahrefs ## What it does - Ahrefs combines keyword and backlink research with technical site audits and tracking of brands in AI answers. - Site Explorer and Site Audit for your verified websites - Starter: 200 research credits per month - Enterprise: From 3 users, SSO and audit log - Content Kit: AI Content Helper: 250 documents per month ## In brief Ahrefs combines keyword and backlink research with technical site audits and tracking of brands in AI answers. You can investigate competitors' content, find problems on your own website and monitor specific search questions. Ahrefs Free is an ongoing free entry point for your verified websites, not a temporary trial. Starter costs EUR 27 monthly in the euro view. Lite starts at EUR 119 on monthly billing or a displayed EUR 99 per month billed annually, with a EUR 1,190 annual invoice. Standard and Advanced increase data allowances; Enterprise adds larger teams and administration. Brand Radar indexes, larger prompt packages, content tools and project extras are offered separately. ## Limits Research credits, crawl credits, API units and prompt checks are separate allowances. The number of questions you can monitor depends on platform, location and frequency; the Brand Radar page says Claude uses 8 checks per update. Additional users and enabled overages can trigger automatic charges. Purchased PAYG data lasts for 3 billing months including the purchase month. The current privacy policy names cross-border transfers and training of its own ML models as a processing purpose, not a blanket US-only storage location. ## Pricing tiers | Tier | Price | Period | What you get | | --- | --- | --- | --- | | Ahrefs Free | free | month | Site Explorer and Site Audit for your verified websites; AI Content Helper: 1 document per month | | Starter | €27 | month | 200 research credits per month; Site Explorer, Keywords Explorer, Site Audit and Rank Tracker with separate limits; Monthly renewal only; extra users and credits cannot be purchased under the Starter terms | | Lite (monthly) | €119 | month | 5 unverified projects; unlimited verified own projects; 750 tracked keywords updated weekly; 150 AI prompt checks per month; 100,000 crawl credits per month; 1 user; API and MCP with separate request limits; 1,000 research credits per user per month | | Lite (annual billing) | €99 | month billed annually | 5 unverified projects; unlimited verified own projects; 750 tracked keywords updated weekly; 150 AI prompt checks per month; 100,000 crawl credits per month; 1 user; API and MCP with separate request limits; 1,000 research credits per user per month; Annual invoice: 1,190 EUR | | Standard (monthly) | €229 | month | 20 unverified projects; unlimited verified own projects; 2,000 tracked keywords updated weekly; 300 AI prompt checks per month; 500,000 crawl credits per month; 1 user; API and MCP with separate request limits; Unlimited research credits per user according to the provider; other allowances remain limited | | Standard (annual billing) | €191 | month billed annually | 20 unverified projects; unlimited verified own projects; 2,000 tracked keywords updated weekly; 300 AI prompt checks per month; 500,000 crawl credits per month; 1 user; API and MCP with separate request limits; Unlimited research credits per user according to the provider; other allowances remain limited; Annual invoice: 2,290 EUR | | Advanced (monthly) | €419 | month | 50 unverified projects; unlimited verified own projects; 5,000 tracked keywords updated weekly; 600 AI prompt checks per month; 1,500,000 crawl credits per month; 1 user; API and MCP with separate request limits; Unlimited research credits per user according to the provider; other allowances remain limited | | Advanced (annual billing) | €349 | month billed annually | 50 unverified projects; unlimited verified own projects; 5,000 tracked keywords updated weekly; 600 AI prompt checks per month; 1,500,000 crawl credits per month; 1 user; API and MCP with separate request limits; Unlimited research credits per user according to the provider; other allowances remain limited; Annual invoice: 4,190 EUR | | Enterprise | €1,394 | month, annual commitment | From 3 users, SSO and audit log; From 2,500 AI prompt checks per month; Higher data and API limits by agreement | | Brand Radar AI Index | €179 | month | Access to one selected AI index; Starting price. Separate extra, not automatically included in the platform subscription | | Brand Radar All AI Indexes | $699 | month | Access to all offered AI indexes; 2,500 prompt checks per month included; Separate extra, not automatically included in the platform subscription | | Custom Prompts Basic | €46.7 | month | 2,500 prompt checks per month; Overage per check: 0.0187 EUR; Separate extra, not automatically included in the platform subscription | | Custom Prompts Growth | €93 | month | 7,000 prompt checks per month; Overage per check: 0.0140 EUR; Separate extra, not automatically included in the platform subscription | | Custom Prompts Scale | €234 | month | 25,000 prompt checks per month; Overage per check: 0.0093 EUR; Separate extra, not automatically included in the platform subscription | | AI Content Helper | €89 | month | AI Content Helper: 50 documents per month; Separate extra, not automatically included in the platform subscription | | Content Kit | €279 | month | AI Content Helper: 250 documents per month; AI Content Grader; Separate extra, not automatically included in the platform subscription | | Report Builder | €89 | month | 50 reports and 500 widgets; Scheduled reports; Separate extra, not automatically included in the platform subscription | | Project Boost Pro | €18.7 | project/month | Ask AI in Site Audit and IndexNow; Always-on site audit at 10 pages per minute; AI detection for 1,000 URLs per crawl; Separate extra, not automatically included in the platform subscription | | Project Boost Max | €180 | project/month | Patches, Batch AI in Site Audit and IndexNow; Always-on site audit at 30 pages per minute; AI detection without a fixed URL cap according to the provider; Separate extra, not automatically included in the platform subscription | ## Sources All details regarding plans, limits, and features are based on official vendor documentation and the primary sources verified below. - https://ahrefs.com/pricing - https://ahrefs.com/free - https://ahrefs.com/legal/privacy-policy - https://ahrefs.com/blog/starter-plan/ - https://ahrefs.com/brand-radar - https://help.ahrefs.com/en/articles/11064852-what-is-brand-radar-and-how-to-use-it - https://ahrefs.com/ai-content-helper --- *Source: AI Compare Ninja (2026) - https://www.aicompare.ninja/en/tool/ahrefs*