Jev, built by an RLHF/InstructGPT veteran, targets machine decisions with new RLCD training
MaryamMiradi · x · 2026-09-21
TypeSafe, founded by Diogo Almeida (who worked on the RLHF/InstructGPT lineage behind ChatGPT), released Jev — a model built for software to make decisions with, not for humans to chat with. Its RLCD (Reinforcement Learning for Calibrated Decisions) method optimizes for calibrated machine-consumable decisions instead of human-preferred responses. A 6-step explainer thread.
Related event: Ex-OpenAI researcher launches decision model Jev with bold speed claims(36 posts)→
More from Models
- antirez backs low-bit DeepSeek 4.1 Flash over Qwen 27B dense on Apple M5 Macs — antirez · 2026-11-12
- Gemini re-renders images as text when vision is removed, dropping only 6% WSR — zacharynado · 2026-11-12
- Google's Physical-Engineering's Last Exam: all 14 frontier models score below 50% — dl_weekly · 2026-11-12
- Commit leak reveals unreleased Gemini 4 variants: Argon, Hydrogen and Helix (unconfirmed) — BlackHC · 2026-11-11
- Rewiring just 89 of 442,368 neurons in Qwen3-8B matches full SFT for a persona — maxsloef · 2026-11-11
- Unsloth ships Qwen3.8-27B Dynamic V3.1 GGUFs with 5-10% accuracy gains — danielhanchen · 2026-11-11