[verdverm]

This is decent on history, good on contemporary: https://www.youtube.com/watch?v=_R83pFpUWyM

roughly

1. word2vec ('13)

2. transformers ('18)

3. chatgpt ('22)

4. claude code, i.e. tools / bash (mid '25)

5. llms trained for agentic workflow (nov '25)

6. cost reckoning ('26)

7. open weight models break the financial models of Big Ai ('26?)

[dserban]

Adding to your 6 and 7, Ed Zitron's Better Offline podcast has a good series on how the path was paved to the cost reckoning of the present day.

[tinktank]

Is the youtube link correct?