Is Seedance 2.5 better than Gen-4.5?+
Overall, yes. Seedance 2.5 scores 86.9 to Gen-4.5's 60.5 and wins 13 of 13 rated categories. Gen-4.5 can still be the better fit for specific work — the category scores above show where.
Is Seedance 2.5 cheaper than Gen-4.5?+
No — Gen-4.5 is the cheaper option at $7.20/min, versus $18/min for Seedance 2.5.
Which makes longer clips, Seedance 2.5 or Gen-4.5?+
Gen-4.5 — up to 10 seconds per clip, versus 4 seconds for Seedance 2.5.
Does Seedance 2.5 generate audio?+
Yes — Seedance 2.5 generates audio together with the video, in the same file.
Does Gen-4.5 generate audio?+
No — Gen-4.5 outputs silent video; you'd add sound separately.
Is Seedance 2.5 or Gen-4.5 better for text fidelity?+
Seedance 2.5 leads text fidelity, by 46.1 points.
Is Seedance 2.5 or Gen-4.5 better for physics?+
Seedance 2.5 leads physics, by 45.9 points.
Is Seedance 2.5 or Gen-4.5 better for animals?+
Seedance 2.5 leads animals, by 34.3 points.
Is Seedance 2.5 or Gen-4.5 better for 3d animation?+
Seedance 2.5 leads 3d animation, by 34.0 points.
Is Seedance 2.5 or Gen-4.5 better for 2d animation?+
Seedance 2.5 leads 2d animation, by 32.5 points.
Is Seedance 2.5 or Gen-4.5 better for human?+
Seedance 2.5 leads human, by 25.9 points.
Is Seedance 2.5 or Gen-4.5 better for objects?+
Seedance 2.5 leads objects, by 25.6 points.
Is Seedance 2.5 or Gen-4.5 better for taste?+
Seedance 2.5 leads taste, by 25.5 points.
Is Seedance 2.5 or Gen-4.5 better for logic consistency?+
Seedance 2.5 leads logic consistency, by 20.9 points.
Is Seedance 2.5 or Gen-4.5 better for scene consistency?+
Seedance 2.5 leads scene consistency, by 19.0 points.
How are Seedance 2.5 and Gen-4.5 tested?+
Both models run the same prompts. Professional reviewers score each video 0–100 on how well it follows the prompt and handles motion, people, objects, animation, and text, while automated checks flag freezes, bad framing, and unstable motion. This matchup draws on 0 rated videos and 0 reviewer ratings.