The verdict
Proxy-Seller wins on 5 of 7 core metrics, 1 tied. We'd pick Proxy-Seller for most teams that need multi-product proxy marketplace — ipv4, ipv6, isp, residential and 4g/5g mobile under one cart, crypto-friendly, 13 languages., but the right answer depends on your workload — read the full review of each below.
AlterLab vs Proxy-Seller — frequently asked
Which is cheaper, AlterLab or Proxy-Seller?
On the entry tier, Proxy-Seller is the lower-cost option per gigabyte. AlterLab starts at $10.00/GB and Proxy-Seller starts at $1.77/GB on residential. Both providers offer volume discounts, so the absolute cheapest tier depends on your monthly commit.
Which has a bigger IP pool, AlterLab or Proxy-Seller?
Proxy-Seller has the larger advertised residential pool. AlterLab reports 195+ proxy countries (pool size not disclosed) across 195+ countries; Proxy-Seller reports 20M+ residential + 1M+ ISP/DC/IPv6 across 220+ countries across 220+ countries. Pool size is one signal — actual exit-node freshness and rotation logic matter more in production.
Which is better for web scraping, AlterLab or Proxy-Seller?
Proxy-Seller edges ahead on overall success rate in the available benchmark data (our tests, independent lab reports and published specs). That said, the right choice depends on your target site mix — AlterLab is typically picked for Managed proxies across tiers; residential proxy access; Bring-Your-Own-Proxy workloads, while Proxy-Seller is often chosen for ["ipv4" use cases.
Which has better support and SLA, AlterLab or Proxy-Seller?
Proxy-Seller carries the higher trust score in our directory based on documented compliance, support responsiveness, and customer-base feedback. Both offer 24/7 channels at upper plans; only AlterLab gates dedicated account managers and Proxy-Seller gates them on enterprise tiers.
Should I pick AlterLab or Proxy-Seller in 2026?
Pick AlterLab when Pay-as-you-go web scraping API that turns URLs into LLM-ready markdown, structured JSON and clean text with AI. Pick Proxy-Seller when Multi-product proxy marketplace — IPv4, IPv6, ISP, residential and 4G/5G mobile under one cart, crypto-friendl. Most teams that consider both end up with Proxy-Seller.