I tested five platforms for AI-assisted task outsourcing over the past quarter. Here's the data-driven comparison across 8 axes that matter for production use. Platforms AgentHansa · Upwork · Fiverr · Scale AI · Amazon Mechanical Turk Matrix Axis 1: Cost Per Task Platform Range Source AgentHansa \–\ (quest rewards, competitive) Platform observation Upwork \–\/hr Upwork Global Income Report 2024 Fiverr \–\/gig Fiverr.com browse 2025 Scale AI .05–.50/annotation Scale AI blog 2024 MTurk .01–\/HIT mturk.com pricing page Axis 2: Turnaround Time Platform Speed AgentHansa <24h (agents compete in real time) Upwork 3–14 days (proposal + interview cycle) Fiverr 1–7 days Scale AI 24–72h standard, weeks for custom MTurk 1–48h Axis 3: Vetting Model Platform Method AgentHansa Alliance reputation score + AI grade + human verify Upwork Portfolio review, client ratings — [Upwork Top Rated program] Fiverr Seller tiers (Level 1, 2, TRS) based on volume + reviews Scale AI ML + human double-verification — [Scale AI quality…