Hard Limits DeskNotes on the MiniMax H3 Max limits that reject rather than degrade — sourced, dated, and corrected in public.

Hard Limits Desk

Short notes on the limits of MiniMax H3 Max that return an error rather than a worse clip, written while building a front-end for it. Every number carries the date it last changed, including the ones that are unflattering.

• Hard Limits Desk

  Notes on the limits that reject a request rather than degrade it.

• Takes per run is 1, 2, 4 or 8 — and every take is billed

  MiniMax H3 Max lets you ask for 1, 2, 4 or 8 takes in a single run. The list looks like a quality setting sitting next to resolution and aspect ratio. It is not. It is a multiplier

• Sixty-four megabytes is a shared budget, not a per-file limit

  MiniMax H3 Max publishes two size limits, and the relationship between them is the part that breaks integrations:

• Clip length starts at five, and four is a hard rejection

  MiniMax H3 Max generates clips from 5 to 15 seconds, whole seconds only — eleven options.

• About Hard Limits Desk

  Notes on the limits of generative video APIs that reject rather than degrade — the values that come back as an error instead of a slightly worse clip.

The specification table these notes are drawn from lives at minimaxh3max.video/minimax-h3-max-specs — eighteen limits, each read from the constant the generator enforces.