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Fine-tuning, post-training, and alignment
Choose an AI improvement based on the failure you observed.
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Fine-tuning, post-training, and alignment
Choose an AI improvement based on the failure you observed.
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Source-based teaching example · Fictional data · Reviewed 2026-10-03. Microsoft Mark · locally synthesized. On a small screen, use fullscreen for diagram details or read the transcript.
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0:00 · What you will learn
Choose an AI improvement based on the failure you observed.
What appears on screen
Choose an AI improvement based on the failure you observed.
0:06 · The idea · 1
Different failures need different fixes. Missing current information calls for evidence access. Arithmetic may need a calculator.
What appears on screen
Different failures need different fixes. Missing current information calls for evidence access. Arithmetic may need a calculator.
0:18 · The idea · 2
Repeated style problems may call for better instructions or model adaptation.
What appears on screen
Repeated style problems may call for better instructions or model adaptation.
0:26 · One useful term
Fine-tuning. Further training that changes model parameters using selected training examples.
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Further training that changes model parameters using selected training examples.
0:35 · A worked example
The example separates stale policy, arithmetic and stable writing style. There is no required ladder from prompting to search to tuning. Choose the option that addresses the actual problem.
What appears on screen
The example separates stale policy, arithmetic and stable writing style. There is no required ladder from prompting to search to tuning. Choose the option that addresses the actual problem.
0:50 · Your turn to think
Will fine-tuning automatically supply today’s policy? Pause and decide before continuing.
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Will fine-tuning automatically supply today’s policy? Pause the video if you need more time.
1:07 · Why this answer works
No. Establish the needed current evidence. Test any change on cases not used for fitting, including capabilities you need to preserve.
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No. Establish the needed current evidence. Test any change on cases not used for fitting, including capabilities you need to preserve.
1:19 · Check 1
Identify the failure before selecting a fix.
What appears on screen
Identify the failure before selecting a fix.
1:25 · Check 2
Check data rights and coverage.
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Check data rights and coverage.
1:30 · Check 3
Test remaining capabilities and recovery.
What appears on screen
Test remaining capabilities and recovery.
1:36 · Now try a different case
Open the lesson and try its different practice case. Use every check in the full task. Watching alone does not mark the lesson complete.
What appears on screen
Open the lesson Try the new case Check and revise The full task and its requirements are in the linked lesson.
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