GPT-5.5 — tisram

The Deep View 2026-05-07-1

OpenAI MRC Protocol: What Gets Open-Sourced Is the Non-Moat

What frontier labs open-source is a map of the non-moats. OpenAI released its GPU networking protocol through OCP with Microsoft, AMD, Broadcom, NVIDIA, and Intel as coalition partners, two years in development, already running at Stargate's Abilene site and used to train GPT-5.5. The corollary lands hardest for Microsoft: they have the protocol, run it on Fairwater, and still ship mid-class models, which means networking efficiency was never the binding constraint.

OpenAI · 2026-05-01 2026-05-01-w1

Where the goblins came from

Reward signals shaped for a single personality bled into base behavior across 76.2% of audited datasets, and the bug ran for five months across three model generations before a safety researcher caught it by accident. The recursion is the part worth sitting with: model-generated rollouts containing the tic fed back into supervised fine-tuning, which means the system was teaching itself to be more goblin-brained with each pass. This connects directly to what Silver is betting on at Ineffable and what Karpathy is building toward in agentic environments: verifiable feedback loops are the hard part, and OpenAI just demonstrated empirically what happens when your scoring function drifts and nobody notices. The goblin bug isn't an anomaly; it's a preview of the failure mode for any system where behavioral regression testing isn't systematically applied across versions. Every custom GPT and fine-tune is a covert training run on the base model, and that just became a procurement question.

# tags

agentic-ai-viability ai-1.0-defensibility ai-safety alignment evalrig evaluation-infrastructure fine-tuning frontier-models gpt-5-4 gpt-5-5 interpretability openai reinforcement-learning reliability reward-hacking synthetic-media training-data

OpenAI 2026-05-01-2

Where the goblins came from

OpenAI's goblin postmortem buries the lede: reward signals applied to a single personality leaked into base behavior in 76.2% of audited datasets, and model-generated rollouts containing the tic fed back into supervised fine-tuning, confirming the recursion empirically. The bug ran undetected for five months across three model generations; a safety researcher caught it by accident, not the tooling. Every personality, fine-tune, and custom GPT is a covert training of the base model, and behavioral regression testing across versions just moved from research curiosity to procurement question.

# tags

alignment reward-hacking openai gpt-5-5 reinforcement-learning ai-safety ai-1.0-defensibility frontier-models evaluation-infrastructure evalrig agentic-ai-viability reliability gpt-5-4 interpretability training-data fine-tuning synthetic-media