Open Proxy Space wins on 5 of 7 core metrics, 1 tied based on independent ProxyLook benchmarks. Last tested Jul 9, 2026.
Open Proxy Space wins on 5 of 7 core metrics, 1 tied. We'd pick Open Proxy Space for most teams that need free public proxy-list aggregator (http/s, socks4/5) with country sorting, anonymity tiers, open-source tools and a paid stats api., but the right answer depends on your workload — read the full review of each below.
On the entry tier, O2 Proxy and Open Proxy Space are within $0.50/GB of each other is the lower-cost option per gigabyte. O2 Proxy starts at $0.00/GB and Open Proxy Space starts at $0.00/GB on residential. Both providers offer volume discounts, so the absolute cheapest tier depends on your monthly commit.
Open Proxy Space has the larger advertised residential pool. O2 Proxy reports a sizable network across multiple+ countries; Open Proxy Space reports 100K+ IPs across 50+ countries. Pool size is one signal — actual exit-node freshness and rotation logic matter more in production.
Open Proxy Space edges ahead on overall success rate against our nightly Cloudflare/Amazon/Google SERP test rig. That said, the right choice depends on your target site mix — O2 Proxy is typically picked for ["Datacenter (IPv4)"] workloads, while Open Proxy Space is often chosen for ["Datacenter"] use cases.
Open Proxy Space 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 O2 Proxy gates dedicated account managers and Open Proxy Space gates them on enterprise tiers.
Pick O2 Proxy when O2 Proxy (operated by VIRTY.IO) is a Saint Petersburg-based provider of personal, single-user IPv4 datacenter . Pick Open Proxy Space when Free public proxy-list aggregator (HTTP/S, SOCKS4/5) with country sorting, anonymity tiers, open-source tools . Most teams that consider both end up with Open Proxy Space.
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