Kling 3 or Omni Flash at 1080p: $1.40 vs $1.875 for 10 seconds
At 1080p, Kling 3 silent is $0.14 a second and Omni Flash is $0.1875; with audio, Kling is $0.21. Ten-second costs and when each model fits on Sume.
Both give 1080p with audio options. Kling 3 is 4 to 15 s a job at 720p or 1080p, with audio costing extra. Omni Flash is 3 to 10 s a job, with audio. Rates read 2026-10-07.
| Model | Per second | 10 s | Audio |
|---|---|---|---|
| Kling 3 silent | $0.14 | $1.40 | off |
| Kling 3 with audio | $0.21 | $2.10 | on |
| Omni Flash 1080p | $0.1875 | $1.875 | on |
Which one
With sound, Omni Flash is $0.225 cheaper over 10 s than Kling audio. Silent, Kling is $0.475 cheaper. If you will lay your own voiceover or music, Kling silent is the budget pick; for native sound with the lowest bill, take Omni.
Past 10 seconds, Kling extends to 15 in one job while Omni needs a second.
Sources
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