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Ivo open-sources Sage contract model and makes Collaborate generally available

Ivo said on October 1, 2026, that it released Ivo Sage, a free open-source model post-trained with River AI on DeepSeek V4 Flash for long-horizon contract work, and that reinforcement learning lifted its Legal Agent Benchmark Contracts score from 70% to 91%. The company also made its Collaborate contract workflow product generally available. Legaltech News reported the Sage release on October 2.

Announcement (GlobeNewswire) → · Legaltech News

Key points

  • Ivo released Ivo Sage as an open-source model post-trained for long-horizon contract work.GlobeNewswireLegaltech News
  • Sage was built with River AI by post-training DeepSeek V4 Flash on public and synthetic data generated by attorneys.GlobeNewswire
  • After reinforcement learning, LAB Contracts scores rose from 70% to 91%.GlobeNewswire
  • Ivo also made Collaborate generally available for intake through signature workflows.GlobeNewswire
  • Ivo previewed a new contract-review benchmark at Ivo Inscribe, its first customer event for in-house legal and contracting teams.GlobeNewswire

Sources2 articles across 2 outlets

Filed under

Product launchesIvoU.S.ContractsLegal operationsTechnologyFor practitionersFor vendors