| Best for | Short multimodal audio-video scenes with detailed reference direction. | Longer one-take storytelling, larger reference sets, and more precise edits. | Broad multimodal generation and editing across storyboard-led creator workflows. |
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| Generation length | Up to 15 seconds in the official Seedance 2.0 release. | Up to 30 seconds per generation, with multi-round extension. | Up to 15 seconds; available durations depend on the selected Kling surface. |
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| Inputs | Text plus as many as 9 images, 3 videos, and 3 audio clips in the official mixed-reference workflow. | Text plus as many as 30 images, 10 videos, and 10 audio clips. | Text, images, video, and audio in supported generation and editing workflows. |
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| Audio | Dual-channel generated audio with dialogue, effects, ambience, and music aligned to the scene. | Joint audio-video generation with stronger long-form continuity and reference capacity. | Native audio generation with multilingual speech and scene sound in supported modes. |
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| Editing control | Prompt-based extension and targeted changes to clips, subjects, actions, or story elements. | Timestamp-level targeted editing plus upgraded reference and green-screen controls. | Storyboard, reference, extension, and multimodal editing controls vary by product mode. |
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| How to choose | Choose 2.0 when a 15-second clip and its reference limits cover the brief, especially when the live estimate is lower. | Choose 2.5 for 30-second scenes, larger reference sets, stronger long-form continuity, or timestamp-level edits. | Choose Kling when its current product controls, language support, or storyboard workflow better match the production process. |
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| Cost and access | Pricing varies by platform and settings; official API cost changes with duration, resolution, frame rate, and video input. | Do not assume the 2.0 rate applies. Check 2.5 availability and the live price on the same platform before choosing. | Plans, credits, and API rates vary by Kling product surface and region; compare the same duration and output settings. |
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| Workflow caution | Review fine detail, cross-shot identity, pronunciation, and audio sync before assembly. | Seedance 2.5 is a separate newer model; do not assume a 2.0 endpoint or product mode has its limits. | Confirm the exact Kling version, duration, and access surface before production. |
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