Videos / AI

Episode 11 of 22 · AI, end to end

Context engineering: the window is a budget

Chapters

1. One beam of light0:00
2. One number, shared0:15
3. Why the tokens compete0:32
4. The instinct to fill0:50
5. Two bills1:07
6. Earn your place here1:25
7. Open the bag1:40
8. One: the system prompt1:54
9. Two: the tool definitions2:12
10. Three: the history that grows2:32
11. Four: documents nobody checked2:51
12. Five: the model's own notes3:10
13. The long phone call3:27
14. Position is a decision3:44
15. Near is not useful4:02
16. Two sources, one truth4:18
17. Your own history contradicts4:36
18. Three failures, no error4:54
19. The minutes5:10
20. When it triggers5:28
21. A lost decision returns5:45
22. Four things to keep6:02
23. Ask for named fields6:19
24. The tell-tale symptom6:36
25. The filing cabinet6:52
26. The plan file7:08
27. Big results go to disk7:24
28. Retrieval on demand7:40
29. A sub agent is a window7:58
30. What you cannot offload8:15
31. The fuel gauge8:31
32. Count, do not estimate8:49
33. The first surprise9:06
34. The cached prefix9:24
35. Stable prefix first9:41
36. A context change is a change9:58
37. Spend it well10:17

Context engineering: the window is a budget. Picture one spotlight on a dark stage. It has a fixed amount of light. Every extra thing you drag into the beam gets a thinner share of it. A context window works the same way. It

Mark as watchedSaved in this browser only.