以下部分引用 AI 总结，现阶段 AI 仍然有幻觉。请以内容的原文为准。

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Build a Reasoning Model (From Scratch)

9 atoms · 跨 1 天 · 首见 2026-06-30 · 最近 2026-06-30

三色: 🟦 fact 2 · 🟥 take 7 · stance ▲0/▼0/◆7

来源: X 9

时态: fresh:9

标签: 好数字:5 · 好观点:3 · 好思考:1

2026-06-30 · Amazon India availability speculation
once the copies ship from the main Amazon US hub it will also become available on other Amazon sites
tags: 好思考 · → daily
value: date=future
2026-06-30 · estimated reading time
it would probably around 10-15 hours of reading time
tags: 好数字 · → daily
value: qty=10-15 hours
2026-06-30 · cloud compute cost for RL chapters
rent a A100 or H100 for $1-2 and train it in 1-5 hours. In that case, maybe <$10
tags: 好数字 · → daily
value: qty=<$10 with A100 or H100 rental
2026-06-30 · cloud compute cost for RL chapters
you should be able to bet away with $10-$20 in cloud compute (in total) for an A100 or L40S
tags: 好数字 · → daily
value: qty=$10-$20 total
2026-06-30 · Amazon EU price speculation
real price in EU will be set once the US version ships on Amazon
tags: 好观点 · → daily
value: date=future

2026-06-30 · Amazon Northern Europe pre-order price
Pre-order at 102 USD in Northern Europe (Amazon)
tags: 好数字 · → daily
value: qty=102 USD · date=2026-06-30
2026-06-30 · shipping status
it just started shipping
tags: 好数字 · → daily
value: date=2026-06-30
2026-06-30 · self-contained nature
I tried to keep it self-contained so either way should work
tags: 好观点 · → daily
2026-06-30 · fundamentals focus
For the book(s) I am basically focusing on the fundamentals
tags: 好观点 · → daily