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IBM Cognos Controller vs OneStream 2026

Curated win/loss research — who actually wins this matchup and under which buyer conditions. Qualitative by design: we publish win conditions, not made-up win percentages.

Curated matchup · verified citations

The honest take

OneStream dominant on new deals; Cognos defends IBM installed base.

Who wins, when

IBM Cognos Controller wins when

  • Existing IBM Cognos Analytics customers
  • F500 with IBM ecosystem fit
  • Long-standing statutory consolidation

OneStream wins when

  • Modern unified plan + close + consol
  • Hyperion replacement default
  • Cloud-native architecture preference
Locked · profile-scored verdict

Which wins for YOUR profile — IBM Cognos Controller or OneStream?

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1.Annual revenue

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The full dossiers

Vendor dossier
IBM Cognos Controller review

Workhorse statutory consolidation platform. Deep IFRS/local GAAP support. Loses share to OneStream and…

Vendor dossier
OneStream review

OneStream is the clear category leader for enterprise consolidation, and that moat is defensible for the…

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Win/loss research sources

  1. [1]gartner.com · head to head