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Networking · head to head

Cloudflare vs OPNsense

Cloudflare logo

Cloudflare

Networking

The web performance and security company

From
Free
Rated
-
Full reviewWebsite
OPNsense logo

OPNsense

Networking

FreeBSD-based firewall and routing platform with weekly updates and a full configuration API

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Cloudflare free tier limited to basic features (no advanced analytics or premium features); OPNsense throughput depends entirely on hardware you selected yourself, and intrusion prevention at multi-gigabit rates will saturate a machine that handled plain firewalling fine, with no vendor sizing commitment to fall back on.
  • They diverge on capability: Cloudflare covers Global CDN, OPNsense covers Stateful firewall on pf.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Cloudflare and OPNsense actually diverge.

Attributes where Cloudflare and OPNsense differ
AttributeCloudflareOPNsense
Pricing modelfreemiumOpen source, no licence fee
PlatformsWebx86-64 appliances, Virtual machines, Deciso hardware
Founded2009Unknown

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated), category (Networking).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Cloudflare

  • Global CDN
  • DDoS Protection
  • WAF
  • DNS
  • SSL/TLS
  • Load Balancing
  • Bot Management
  • Workers (Serverless)

Only in OPNsense

  • Stateful firewall on pf
  • VPN suite
  • Suricata IDS and IPS
  • Full configuration API
  • High availability
  • Weekly update cadence

What people use each for

The jobs each tool is most often brought in to do.

Cloudflare

  • Global content delivery network (CDN) with 330+ data centres worldwidenot OPNsense
  • DDoS protection and bot blockingnot OPNsense
  • Web application security and rate limitingnot OPNsense
  • DNS management and domain protectionnot OPNsense
  • Static and dynamic content cachingnot OPNsense
  • Serverless computing via Cloudflare Workersnot OPNsense
  • Database and storage services (D1, R2)not OPNsense
  • Performance optimisation for Core Web Vitalsnot OPNsense

OPNsense

  • Replacing a small business firewall appliance whose renewal quote exceeded the cost of the hardwarenot Cloudflare
  • Branch offices where the firewall configuration must be produced by Ansible rather than by handnot Cloudflare
  • Sites that need WireGuard and intrusion prevention on the same box without separate feature licencesnot Cloudflare
  • A homelab or lab network needing VLAN routing, multi-WAN and DNS filtering on one machinenot Cloudflare

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Cloudflare

  • Free tier limited to basic features (no advanced analytics or premium features)
  • Pro tier ($20-25/month) caps at professional websites (higher tiers needed for enterprise scale)
  • Caches only anonymous API GET responses (authenticated requests and non-GET methods not cached)
  • Geographic coverage limited to announced 330+ cities (may not cover all regions globally)

OPNsense

  • Throughput depends entirely on hardware you selected yourself, and intrusion prevention at multi-gigabit rates will saturate a machine that handled plain firewalling fine, with no vendor sizing commitment to fall back on.
  • The weekly update cadence is good for security but means more change events than a team used to annual appliance firmware, and occasional regressions reach production installations.
  • FreeBSD underneath limits driver support compared with Linux, so recent network cards and some virtualisation drivers can be unsupported or slow.
  • The plugin ecosystem is uneven in quality; some plugins are maintained by a single contributor and can lag a major release, breaking a function you depended on.
  • Community support is a forum, so an outage at two in the morning on the free edition is your problem alone unless you bought the business subscription in advance.

Pricing, plan by plan

Cloudflare

Free

No published plan breakdown. See the Cloudflare review.

OPNsense

Free
  • OPNsense Community EditionFree
    • MIT licence with no feature restrictions
    • All VPN, IDS and HA features included
    • Weekly updates and two major releases a year
  • OPNsense Business Edition$undefined/year
    • Stabilised update track lagging community releases
    • Commercial support from Deciso
    • Additional enterprise plugins and configuration backup

Which should you pick?

Choose Cloudflare if

  • You need global cdn.
  • You want to start without paying.
  • You also want ddos protection.
Cloudflare review

Choose OPNsense if

  • You need stateful firewall on pf.
  • You want to start without paying.
  • You work on x86-64 appliances, Virtual machines, Deciso hardware.
  • You also want vpn suite.
OPNsense review

Questions people ask

Is Cloudflare or OPNsense better?
Neither clearly leads. Cloudflare starts at Free and OPNsense at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Cloudflare or OPNsense?
Cloudflare starts at Free and OPNsense at Free.
Does Cloudflare or OPNsense run on more platforms?
Cloudflare runs on Web. OPNsense runs on x86-64 appliances, Virtual machines, Deciso hardware.
Can I use Cloudflare for free?
Both have a free tier, so you can try either at no cost before committing.
What is Cloudflare best used for?
Cloudflare is most often used for global content delivery network (cdn) with 330+ data centres worldwide, ddos protection and bot blocking, web application security and rate limiting, dns management and domain protection. Of those, global content delivery network (cdn) with 330+ data centres worldwide and ddos protection and bot blocking are not what OPNsense is typically brought in for.
What can Cloudflare do that OPNsense cannot?
Cloudflare covers Global CDN, DDoS Protection, WAF, DNS. OPNsense covers Stateful firewall on pf, VPN suite, Suricata IDS and IPS, Full configuration API.

Answered from the vendors’ own pages

Cloudflare: Does Cloudflare have a free tier?

Yes, Cloudflare includes a free tier with generous allowances: 100k daily requests for Workers, 10 GB monthly storage for R2, and 1 GB for Workers KV.

Source
OPNsense: How is it different from pfSense?

It is a 2015 fork with an MIT licence, a fixed weekly release cadence, a complete configuration API and a different interface. Feature coverage is comparable; the release process and API are the real differences.

Cloudflare: How much does Cloudflare cost beyond the free tier?

Cloudflare uses pay-as-you-go pricing beyond free allocations, charging per million requests, per GB-month of storage, or per vCPU-second depending on the service.

Source
OPNsense: Do I need the Business Edition?

Only if you want commercial support or a slower, stabilised update stream. No features are withheld from the community edition.

Cloudflare: Does Cloudflare charge egress fees?

No, Cloudflare explicitly states no egress fees and no hidden costs; you only pay for the usage metrics specific to each service.

Source
OPNsense: Can it handle a gigabit internet connection?

Plain firewalling on modest current hardware, comfortably. With Suricata inspection enabled, expect to need a considerably stronger CPU.

Cloudflare: What's the Enterprise pricing model for Cloudflare?

Cloudflare Enterprise offers custom pricing and volume discounts available through direct sales for organizations with specialized needs and large-scale usage.

Source
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