FLUX 3 vs Gen-4.5

FLUX 3's median is $0.15/s ($0.750 per 5 s clip), cheapest at BFL API. Gen-4.5's median is $0.12/s ($0.600 per 5 s clip), cheapest at Runway API. Gen-4.5 is lower at the standard job, as of 28 Oct 2026.

Prices as of . Every price links to its source.

Head-to-head · Video

Black Forest Labs

FLUX 3

$0.15/s

Cheapest at BFL API

Runway

Gen-4.5

$0.12/s

Cheapest at Runway API

Tale of the tape

FLUX 3 vs Gen-4.5
FLUX 3Gen-4.5
Price per unit$0.15/s$0.12/s · edge
Reference job$0.750 per 5 s clip$0.600 per 5 s clip · edge
Official API$0.15/s$0.12/s · edge
Max duration20 s · edge10 s
Providers1 counted · 2 listed1 counted · 2 listed

Edge score 1–3.

Gen-4.5 is 20% cheaper at the reference job. FLUX 3 runs longer.

More matchups

Same standard job on both sides.

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