Runway Gen-4.5 vs Seedance 2.0 · AI video head-to-head

Same prompt: “A knight in battered armour rides through a burning village at dusk, embers drifting across the frame, low-angle tracking shot”

Runway Gen-4.5 vs Seedance 2.0: who wins?

1 blind duel so far · not enough to call it

Not enough votes yet. We call a winner once these two have met in at least 5 blind duels. Judge duels to settle it.

Same prompt, side by side

“A knight in battered armour rides through a burning village at dusk, embers drifting across the frame, low-angle tracking shot”All 9 models →

Not enough votes on this prompt yet.

Runway Gen-4.5

Seedance 2.0

How these clips were made

The exact settings behind the clips at the top. Open models run on our own GPU in ComfyUI: download the workflow and render the same clip yourself.

Runway Gen-4.5

Runway API

Endpoint: gen4.5
ratio: 1280:720
duration: 5

Closed model: the prompt is sent as written, everything else is the provider's default.

Seedance 2.0

Runway API

Endpoint: seedance2
ratio: 1920:1080
duration: 5
audio: false

Closed model: the prompt is sent as written, everything else is the provider's default.

Spec	Runway Gen-4.5	Seedance 2.0
Provider	Runway	ByteDance
Elo	1000	982
Win rate (all duels)	50%	0%
Max length	10s	10s
Resolution	1080p	1080p
Native audio	No	No
Price	≈ €0.90 per 8 s clip	≈ €0.60 per 5 s clip
Where to try	Runway	Dreamina
Speed	⚡⚡	⚡⚡⚡

Verdict

Not enough votes yet to call a winner between Runway Gen-4.5 and Seedance 2.0.

Pick Runway Gen-4.5 if you need control, references. Pick Seedance 2.0 if multi-shot, speed matter more (≈ €0.60 per 5 s clip on Dreamina vs ≈ €0.90 per 8 s clip for Runway Gen-4.5).

Watch out: Seedance 2.0 is most often flagged for faces at distance; Runway Gen-4.5 for plain prompts underperform.

Judge more duels between these two

Try Runway Gen-4.5 on Runway Try Seedance 2.0 on Dreamina

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