OpenX vs Admixer.SSP

OpenX8.9Visit Admixer.SSP8.7Visit

Higher score OpenX #4 in Supply Side Platforms 8.9/10 Pricing on request ✓ 2 of 2 features Visit OpenX

vs

Admixer.SSP #6 in Supply Side Platforms 8.7/10 Pricing on request ✓ 2 of 2 features Visit Admixer

• OpenX fits best

  Publishers needing broad inventory and deal controls

• Admixer.SSP fits best

  Publishers monetizing CTV, apps and DOOH

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Side by side

Feature	OpenX 8.9/10 Visit ↗	Admixer.SSP 8.7/10 Visit ↗
At a glance
Editor score	8.9	8.7
Ranking	#4 in Supply Side Platforms	#6 in Supply Side Platforms
Best for	Publishers needing broad inventory and deal controls	Publishers monetizing CTV, apps and DOOH
Pricing model	Paid	Paid
Starting price	Pricing on request	Pricing on request
Free plan	Not checked yet	Not checked yet
Free trial	—	—
Deployment	Cloud	Cloud, Mobile
Platforms	Web	Web, Android, iOS
Support	Community	Docs
Built for	Small business, Mid-market, Enterprise	Small business, Mid-market, Enterprise
Features OpenX 2/2 · Admixer.SSP 2/2
Header bidding support	✓	✓
Private marketplace deals	✓	✓
Specs
Inventory channels	Connected TV (CTV), display, video, mobile, digital out-of-home (DOOH), native	desktop, mobile web, in-app, CTV, DOOH
Auction types	First-price, second-price	open auctions, private marketplace (PMP), programmatic guaranteed
Ad formats	Display, video, mobile, native, connected TV (CTV), digital out-of-home (DOOH)	display, native, video, audio, rich media
Reporting detail	Advanced	Advanced
Our review
Pros	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	Connects publishers to 100+ DSPs, header bidders and direct advertisers Supports open auctions, private marketplaces and programmatic guaranteed Offers real-time revenue monitoring and reports on bids, earnings and competition
Cons	Pricing uses a contact-sales model rather than published plan rates Deployment is cloud-only Support is provided through community channels	Pricing requires a sales request and contract discussion Integration options may require technical implementation Support channels listed are limited to documentation
Our verdict	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 →	Admixer.SSP is a supply-side platform for publishers and app developers seeking to monetize digital advertising inventory. It connects publisher inventory with DSPs, header bidders and direct advertisers, and supports desktop, mobile web,… Read the review →

Strengths and trade-offs

• 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

• Admixer.SSP — where it wins

  • Connects publishers to 100+ DSPs, header bidders and direct advertisers
  • Supports open auctions, private marketplaces and programmatic guaranteed
  • Offers real-time revenue monitoring and reports on bids, earnings and competition

  Where it doesn't

  • Pricing requires a sales request and contract discussion
  • Integration options may require technical implementation
  • Support channels listed are limited to documentation

• OpenX8.9/10 · Pricing on request

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

  Visit OpenXFull verdict →
• Admixer.SSP8.7/10 · Pricing on request

  A multi-format SSP for publishers monetizing web, app, CTV and DOOH inventory.

  Visit AdmixerFull verdict →