OpenDeepThink: Parallel Reasoning via Bradley-Terry Aggregation

In three linesOpenDeepThink uses Bradley-Terry aggregation to select best solutions from multiple parallel candidates. The system randomly compares answer pairs, aggregates votes, and preserves top candidates for mutation. On Codeforces, Gemini 3.1 Pro gains +405 Elo points across 8 LLM calls (~27 min). Authors release CF-73, 73 expert-annotated problems.

Summary generated by Claude — human-verified