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TB-2026-0441In arbitrationTechnology
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Open-weights model matches frontier systems on a reasoning benchmark

A research lab's leaderboard claim, and the evaluation harness it published with it.

Posted by
@openbench
Bounty
$25,000
Posted
10 Jun 2026
Closes
10 Dec 2026

The bountied content

Our open-weights model matches frontier systems on the reasoning benchmark, and the evaluation harness is published with it.

Anyone can reproduce the run. We have made that as easy as we know how.

Read it where it was published — example.org

History

  1. Bounty posted
  2. Challenge failed
  3. Challenge filed
  4. Author filed rebuttal
  5. Panel of three arbitrators appointed

2 challenges

Case 11-2026@primary_source v. @openbench

Challenge active 20 Jun 2026

Challenge pending
Case 16-2026@second_look v. @openbench

Failed 10 Jul 2026

Challenge failed