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An overnight video batch used the wrong model and spent $2,500

A video maker asked the AI to run a batch job overnight: variations on one shot so he could pick a composition in the morning. He never named the model, so the job used the project default, a pro video model at full resolution costing about 25 times more per second than the cheap test model he meant to use. Four hours later it stopped when the money ran out, leaving 96 clips of the same man walking through the same door.

$2,500at stake
This one went wrong. Read what happened so you don’t hit the same problem.

How it works

  1. Write the batch instruction late at night
  2. First clips look fine
  3. Job runs on the expensive default model
  4. Four hours at full resolution
  5. Spend exhausted
  6. 96 near identical clips by morning

Why it’s worth knowing

Nothing malfunctioned. The missing line in the instruction, which model to use, was worth $2,500.

Where it’s from

Summarized from a public post on reddit.com. See the original ↗

Upgraded prompt

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