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X @Avi Chawla
Avi Chawla· 2026-07-31 08:43
4 stages of LLM training, clearly explained:(a popular LLM interview question; bookmark this)→ Pre-training→ Instruction fine-tuning→ Preference fine-tuning→ Reasoning fine-tuningThe visual covers all of them.A base model treats a question as text to be continued, not a request to be answered. Questions in its training data usually have more questions next to them, so that's what the model replies.The stages after pre-training allow changing that behaviour, and each one uses a different training signal to d ...
Rivian Sees R2 Driving Its Path to Profitability
Bloomberg Technology· 2026-07-30 20:48
Just a really big moment. You know, ATA going out into the wilds. What does that look like for the CFO.You know, you talk about 3000 delivery day and in early July. What was the contribution of R2 to sales. What was it like for you towards the end of the quarter to say this is tangibly what I, what I have to show for R2 launch.We're really excited about the opportunity to both introduce R2 to the world in June. So it's the start of our first external customer deliveries. Also the first opportunity for consu ...