Sebastian Raschka, PhD (@rasbt): "The LLM eras: 202x Pre-training (foundation) 2022 RLHF + PPO 2023 LoRA SFT 2024 Mid-Training 2025 RLVR + GRPO 2026 Inference-time scaling? 2027 Continual learning?"

Make money doing the work you believe in

Sebastian Raschka, PhD

Dec 22

Ahead of AI

The LLM eras:

202x Pre-training (foundation)

2022 RLHF + PPO

2023 LoRA SFT

2024 Mid-Training

2025 RLVR + GRPO

2026 Inference-time scaling?

2027 Continual learning?

Dec 22

at

3:40 PM

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