PostTrainBench v1.1 hardens its leaderboard against reward hacking
maksym_andr · x · 2026-07-29
- PostTrainBench v1.1 rebuilds its integrity pipeline, clarifies the post-training agent rules, and recomputes the leaderboard.
- The benchmark adds five agents: Fable 5, GPT-5.6 (Sol), Opus 5, Kimi K3, and Grok 4.5.
- The accompanying image frames the update as hardening the benchmark against reward hacking after stronger agents exposed gaps in the original setup.
Related event: PostTrainBench v1.1 Upgrades Anti-Cheat Rules and Reranks Leaderboard(5 posts)→
More from coding & agent
- Dev Builds Zero-Dependency React Drawing Tool with Grok Build — billyuchenlin · 2026-07-30
- NousResearch Hermes Agent Integrates with Buzz Workspace — NousResearch · 2026-07-30
- Codex Autoresearch: Autonomous Code Iteration Until Targets Met, 2k Stars on GitHub — tom_doerr · 2026-07-30
- Developer Builds Fully Procedural 3D RPG Game Using Claude — chrisfirst · 2026-07-30
- jasonkneen Launches Browser Agent with 3D Voxel Avatars — jasonkneen · 2026-07-30
- Open Source Sticky Notes Plugin for Hermes Desktop Manages Fleeting Ideas — Teknium · 2026-07-30