Is Kling 4.0 better than Gen-4.5?+
Overall, yes. Kling 4.0 scores 83.8 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 Kling 4.0 cheaper than Gen-4.5?+
Gen-4.5 runs $7.20/min; we don't have public pricing for Kling 4.0 to compare directly.
Does Kling 4.0 generate audio?+
We haven't confirmed native audio output for Kling 4.0 yet.
Does Gen-4.5 generate audio?+
No — Gen-4.5 outputs silent video; you'd add sound separately.
Is Kling 4.0 or Gen-4.5 better for 3d animation?+
Kling 4.0 leads 3d animation, by 40.0 points.
Is Kling 4.0 or Gen-4.5 better for physics?+
Kling 4.0 leads physics, by 36.5 points.
Is Kling 4.0 or Gen-4.5 better for 2d animation?+
Kling 4.0 leads 2d animation, by 31.7 points.
Is Kling 4.0 or Gen-4.5 better for animals?+
Kling 4.0 leads animals, by 31.4 points.
Is Kling 4.0 or Gen-4.5 better for text fidelity?+
Kling 4.0 leads text fidelity, by 25.9 points.
Is Kling 4.0 or Gen-4.5 better for human?+
Kling 4.0 leads human, by 24.4 points.
Is Kling 4.0 or Gen-4.5 better for scene consistency?+
Kling 4.0 leads scene consistency, by 18.7 points.
Is Kling 4.0 or Gen-4.5 better for taste?+
Kling 4.0 leads taste, by 18.4 points.
Is Kling 4.0 or Gen-4.5 better for objects?+
Kling 4.0 leads objects, by 18.0 points.
Is Kling 4.0 or Gen-4.5 better for actor performance?+
Kling 4.0 leads actor performance, by 17.0 points.
How are Kling 4.0 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.