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Ayman's Corner

Ayman's Corner

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Post-Training GPT-OSS-20B for ML Research Coding

Post-training • ML Systems • Research ProcessMay 18, 2026A concise technical report on evaluator repair, SFT failure analysis, and early post-training results for GPT-OSS-20B on ML research coding tasks.

6 min read

PolyPPO for Bidirectional Decoding: Early Evidence From PushT

Reinforcement Learning • Robotics • Research ProcessMay 17, 2026Early PushT evidence for PPO over VQ-BeT RVQ code IDs, including negative pass@1 results and a stronger same-start pass@k signal.

5 min read

Risk-Aware Supervision for OpenPI Robot Policies on LIBERO

Robotics • Risk Supervision • VLM CalibrationApril 29, 2026A technical summary of a project that uses calibrated VLM-based risk estimates to decide when a robot foundation policy should execute or abstain.

7 min read

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