MiniMax H3 reference images: the sixth one costs 10 cents extra

MiniMax H3 and H3 Max take reference images for reference-to-video, which is how you keep a character or product consistent across a clip. Sume's pricing code sets the cost rule: reference-to-video adds $0.08 per image after the fifth, at provider list. With Sume's 1.25 multiple, each extra image is $0.10.

The math for a 10-second 768p clip

MiniMax H3 lists $0.06 per second at 768p in the Sume pricing code. Ten seconds is $0.60 list, or $0.75 billable. Eight reference images means three beyond the free five: 3 x $0.08 = $0.24 list. Total list $0.84, billable about $1.05.

Choose images by value

The fal page for H3 Max shows the per-second tiers and a 40 percent promotion that ends October 15 (read 2026-10-05); Sume prices at list, not at the promotion.

• Five is the free ceiling. Spend the first five on the faces, product and background that must not drift.
• A sixth image costs about the same as one extra second of H3 Max at 768p ($0.10).
• Check the live catalog for the reference limits of the exact model id you call.

Call

{
  "model": "minimax-h3",
  "prompt": "The two characters toast across the table",
  "duration": 10,
  "resolution": "768p",
  "reference_image_urls": [
    "https://example.com/a.png",
    "https://example.com/b.png"
  ]
}