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Kling Omni Video O1 Reference-to-Video vs WAN 2.2 Spicy Video Extend: Which video to video API Should You Use? (2026)

6 min · Updated 2026-07-11 · By the NamiFusion team

Kling Omni Video O1 Reference-to-Video vs WAN 2.2 Spicy Video Extend for video to video: pricing, parameters and when to pick which — both are testable in the NamiFusion playground.

Kling Omni Video O1 Reference-to-Video and WAN 2.2 Spicy Video Extend are both video to video models on NamiFusion — same REST API, same credit system, near-zero switching cost. The only real question is which to reach for first. Here is a practical decision guide by price, control and use case.

Spec snapshot

· Kling Omni Video O1 Reference-to-Video (Kling): video to video, 5 tunable parameters, about $0.130 per typical run

· WAN 2.2 Spicy Video Extend (WaveSpeed): video to video, 5 tunable parameters, about $0.150 per typical run

When should you pick which?

· Budget-first / high volume: pick Kling Omni Video O1 Reference-to-Video — lower per-run cost compounds at scale.

· Similar control: prefer whichever has docs and examples closer to your use case.

· Still unsure? Test both: run the same prompt through each model in the playground (exact quote before submit) — that is the fastest answer.

How hard is it to switch?

Near zero on NamiFusion: both models share the same POST /run endpoint — change the model_id and parameter names, and your keys, credits and polling logic all carry over.

FAQ

Can I use both models at once?+

Yes — one API key can call any model in the store; each is billed at its own price.

How current is this comparison?+

Specs and prices come from live model configuration; this page refreshes automatically every day.

Does the free trial cover both models?+

Signup credits currently apply only to selected in-app face-swap features; both of these models are pay-as-you-go, with the exact quote shown in the playground before you submit.

Kling Omni Video O1 Reference-to-Video vs WAN 2.2 Spicy Video Extend: Which video to video API Should You Use? (2026) | NamiFusion Blog