# AI Ark vs Fiber AI Last updated: November 6, 2026 AI Ark is ahead of Fiber AI on LinkedIn profile APIs: Overall score 62.6 to 46.0. AI Ark is ahead of Fiber AI on phone finder APIs: Overall score 63.4 to 61.6. Fiber AI is ahead of AI Ark on reverse email lookup APIs: Overall score 62.5 to 41.8. ## LinkedIn profile API 13. [AI Ark, $399 monthly, Usage-Based Plan, 120,000 Credits / Month](https://datacircle.dev/linkedin-profile-apis/ai-ark/free-plan-post-v1-people-export-single#399-monthly-usage-based-plan-120000-credits-month-post-v1-people-export-single): Overall score 62.6, Accuracy score 53, $3.325 per 1,000 profiles 47. [Fiber AI, top-up from $3, Pay-as-you-go](https://datacircle.dev/linkedin-profile-apis/fiber-ai/free-cardless-api-trial#top-up-from-3): Overall score 46.0, Accuracy score 66, $60.00 per 1,000 profiles Every provider of this API, ranked: [LinkedIn profile API: best providers in 2026](https://datacircle.dev/best-linkedin-profile-api) ## Phone finder API 2. [AI Ark, $119 monthly, Usage-Based Plan, 30,000 Credits / Month](https://datacircle.dev/find-phone-apis/ai-ark/free-plan-post-v1-people-mobile-phone-finder#119-monthly-usage-based-plan-30000-credits-month-post-v1-people-mobile-phone-finder): Overall score 63.4, Accuracy score 20, $19.833 per 1,000 phones 3. [Fiber AI, top-up from $3, Pay-as-you-go](https://datacircle.dev/find-phone-apis/fiber-ai/free-cardless-api-trial-post-v1-contact-details-single#top-up-from-3-pay-as-you-go-post-v1-contact-details-single): Overall score 61.6, Accuracy score 40, $90.00 per 1,000 phones Every provider of this API, ranked: [Phone finder API: best providers in 2026](https://datacircle.dev/best-phone-finder-api) ## Reverse email lookup API 24. [AI Ark, $119 monthly](https://datacircle.dev/reverse-email-lookup-apis/ai-ark/free#119-monthly): Overall score 41.8, Accuracy score 22, $1.983 per 1,000 people 8. [Fiber AI, $300 monthly, Prospector](https://datacircle.dev/reverse-email-lookup-apis/fiber-ai/free-cardless-api-trial-post-v1-email-to-person-single-lite#300-monthly-prospector-post-v1-email-to-person-single-lite): Overall score 62.5, Accuracy score 73, $20.00 per 1,000 people Every provider of this API, ranked: [Reverse email lookup API: best providers in 2026](https://datacircle.dev/best-reverse-email-lookup-api)