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Head-to-head · Supply Side Platforms

Magnite vs OpenX

  • Updated Sep 2026
  • Both researched from official sources
  • 3 checks side by side
Higher score Magnite #1 in Supply Side Platforms 9.0/10 Pricing on request ✓ 2 of 2 features Visit Magnite
OpenX #4 in Supply Side Platforms 7.4/10 Pricing on request ✓ 2 of 2 features Visit OpenX

Magnite leads on 0 checks, OpenX on 0, and 3 are even. Who comes out ahead on the 3 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreMagnite · 9.0/10

Magnite scores higher on our rubric for supply side platforms: 9.0 against 7.4 out of 10; our editors rank them #1 and #4.

Magnite is the better fit for large publishers monetizing across channels. OpenX is the better fit for publishers needing broad inventory and deal controls.

  • Magnite fits best

    Large publishers monetizing across channels

  • OpenX fits best

    Publishers needing broad inventory and deal controls

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Side by side

Feature Magnite 9.0/10 Visit ↗ OpenX 7.4/10 Visit ↗
At a glance
Editor score 9.0 7.4
Ranking #1 in Supply Side Platforms #4 in Supply Side Platforms
Best for Large publishers monetizing across channels Publishers needing broad inventory and deal controls
Pricing model Paid Paid
Starting price Not published Not published
Free plan — Not published
Free trial — —
Deployment Cloud Cloud
Platforms Web Web
Support Email, Docs Community
Built for Mid-market, Enterprise Small business, Mid-market, Enterprise
Features Magnite 2/2 · OpenX 2/2
Header bidding support ✓ ✓
Private marketplace deals ✓ ✓
Specs
Inventory channels CTV/OTT, display, online video, audio, native, digital out-of-home, mobile in-app Connected TV (CTV), display, video, mobile, digital out-of-home (DOOH), native
Auction types open auction, private marketplace, programmatic guaranteed First-price, second-price
Ad formats display, online video, audio, native, digital out-of-home, mobile in-app, CTV/OTT Display, video, mobile, native, connected TV (CTV), digital out-of-home (DOOH)
Reporting detail Advanced Advanced
Our review
Pros
  • Supports CTV/OTT, display, video, audio, native, DOOH and mobile in-app
  • Combines header-bidding tools with yield optimization and floor-price recommendations
  • Supports private marketplace and programmatic guaranteed deals
  • Supports CTV, display, video, mobile, DOOH, and native inventory
  • Combines header bidding with curated and private marketplace deals
  • Offers audience targeting, ad quality controls, and advanced reporting
Cons
  • Pricing requires contacting Magnite for commercial terms
  • The platform lineup spans separate seller offerings, including DV+ and SpringServe
  • No free plan is offered
  • Pricing uses a contact-sales model rather than published plan rates
  • Deployment is cloud-only
  • Support is provided through community channels
Our verdict

Magnite provides sell-side advertising technology for publishers and media owners seeking to monetize digital inventory across channels. Its offerings span display, online video, audio, native, digital out-of-home and mobile in-app…

Read the review →

OpenX is a supply-side platform for publishers managing programmatic advertising across connected TV, display, video, mobile, digital out-of-home, and native formats. It combines inventory and deal management with header bidding, audience…

Read the review →
  1. MagniteSupply Side Platforms 9.0Pricing on request
  2. OpenXSupply Side Platforms 7.4Pricing on request

Strengths and trade-offs

  • Magnite — where it wins

    • Supports CTV/OTT, display, video, audio, native, DOOH and mobile in-app
    • Combines header-bidding tools with yield optimization and floor-price recommendations
    • Supports private marketplace and programmatic guaranteed deals

    Where it doesn't

    • Pricing requires contacting Magnite for commercial terms
    • The platform lineup spans separate seller offerings, including DV+ and SpringServe
    • No free plan is offered

  • OpenX — where it wins

    • Supports CTV, display, video, mobile, DOOH, and native inventory
    • Combines header bidding with curated and private marketplace deals
    • Offers audience targeting, ad quality controls, and advanced reporting

    Where it doesn't

    • Pricing uses a contact-sales model rather than published plan rates
    • Deployment is cloud-only
    • Support is provided through community channels
  • Magnite9.0/10 · Pricing on request

    A multi-channel SSP with header bidding, deal workflows and yield tools.

    Visit MagniteFull verdict →
  • OpenX7.4/10 · Pricing on request

    OpenX gives publishers broad inventory, deal, targeting, auction, and reporting controls.

    Visit OpenXFull verdict →

More comparisons

All supply side platforms comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Sep 2026

Last updated · How we research and update