HAProxy Community Edition

Input—per 1M tokens

Output—per 1M tokens

Context—tokens

WeightsClosed

About

HAProxy Community Edition is ranked #12 of 33 in reverse proxy software on Inferse. It runs on Linux, Self-hosted. There is a free plan.

Compared on reverse proxy software

Free plan: Yeshaproxy.org
Managed service: Nohaproxy.org
Layer 7 routing: Yeshaproxy.org
Layer 4 routing: Yeshaproxy.org
TLS termination: Yeshaproxy.org

Facts

Purpose: HAProxy is a free, fast reverse proxy offering high availability, load balancing, and proxying for TCP and HTTP applications.haproxy.org · 2 Oct 2026
Target workloads: The project says HAProxy is particularly suited for very high traffic websites.haproxy.org · 2 Oct 2026
Architecture: HAProxy uses an event-driven architecture and light multithreading on SMP machines.haproxy.org · 2 Oct 2026
Performance: The site reports a test result of up to 2 million SSL requests per second and 100 Gbps forwarded traffic on AWS Graviton2.haproxy.org · 2 Oct 2026
Latest features: HAProxy 3.4 adds dynamic backends, HTTP/2 flood protections, ACME improvements, experimental QMUX, and an OpenTelemetry filter.haproxy.org · 2 Oct 2026
Protocols: The project supports TCP and HTTP-based applications, and its listed recent versions include QUIC and HTTP/3 features.haproxy.org · 2 Oct 2026
Security: Listed defensive measures include chroot, privilege drops, fork prevention, strict protocol validation, and checks for impossible states.haproxy.org · 2 Oct 2026
Maintenance: Even-numbered LTS branches are maintained for five years, while odd-numbered stable branches are maintained for 12 to 18 months.haproxy.org · 2 Oct 2026
Current releases: As of the site’s displayed release list, HAProxy 3.4 is in development and 3.4.6 is the latest listed release in the 3.4 branch.haproxy.org · 2 Oct 2026
Download: The official site provides source repositories, release tarballs, snapshots, and documentation by version.haproxy.org · 2 Oct 2026
Linux availability: HAProxy is shipped with most mainstream Linux distributions and is often deployed by default in cloud platforms.haproxy.org · 2 Oct 2026
Support: The project points users to commercial support contracts and professional services from HAProxy Technologies.haproxy.org · 2 Oct 2026
Integrations: The 3.4 release notes list an OpenTelemetry filter and ACME certificate features including DNS-01 challenges.haproxy.org · 2 Oct 2026