Which AI video model is cheapest per second? (2026 price table)
Answer: MiniMax H3 at 480P is the cheapest video in this catalogue at $0.01 per output second (1 credit).
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Comparisons
Buying guides that put two or more models on the same page: matched-spec price tables, cost per usable image, and the method for comparing rates that are billed in different units. Every external figure carries the date it was checked, and the arithmetic is shown so you can redo it against your own usage.
GPT Image 2.5 or Nano Banana 2.1? Cost per usable image
Answer: Nano Banana 2.1 is cheaper for iteration — 3 credits at 1K, 4 at 2K, 5 at 4K. GPT Image 2.5 costs 3–35 credits because it splits output into resolu…
Read the guide →How much does a 4K AI image cost in 2026?
Answer: on Callirra, a 4K image costs 5 credits ($0.05) on Nano Banana 2.1 and 8 to 35 credits on GPT Image 2.5, depending on quality.
Read the guide →AI model prices compared: Runway, fal, official APIs and Callirra
Answer: on matched specifications checked 25 October 2026, Nano Banana 2.1 at 4K costs $0.05 here against $0.12 on Runway's API list and about $0.1335 in f…
Read the guide →How to compare AI image prices without fooling yourself
Answer: compare the same output specification, on the same date, and normalise three things first — the resolution behind the label, whether the price incl…
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