Where the goblins came fromOpenAI News / Apr 29, 2026報酬が語彙を強化Nerdyから挙動が転移報酬とデータを修正して鎮静化reinforcement-learningreward-modelingfine-tuningdata-filteringmodel-auditalignment
Introducing OpenAI Privacy FilterOpenAI News / Apr 22, 2026ローカル実行可長コンテキスト対応(128k)修正版ベンチでF1≈97.4%piiredactiontoken-classificationspan-decodinglocal-deploymentprivacyfine-tuning
AI fundamentalsOpenAI News / Apr 10, 2026LLMs predict text patterns—they don't "know" factsPre-training builds breadth; post-training adds instruction-following and safetyUse Instant for speed, Thinking for complex multi-step tasksllmpretrainingfine-tuninginferencepromptingsafetymodel-selection
Gemma 4: Byte for byte, the most capable open modelsGemini / Apr 2, 2026Apache 2.0 open releaseE2B/E4B (edge) and 26B MoE / 31B dense (workstation)128K–256K context, multimodal, function-callinggemmaopen-modelmultimodaledgemoequantizationfine-tuning