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Video Extend
Effortlessly extend videos with WaveSpeed AI, generating smooth continuations that preserve motion, style, and scene consistency.
Our selection
bytedance/seedance-2.5/video-extend
Seedance 2.5 (Video-Extend) extends an input video with a new cinematic continuation generated from its last frame and a natural-language prompt. Ready-to-use REST API, best performance, no coldstarts, affordable pricing.
All models
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bytedance/seedance-2.5/video-extend
Seedance 2.5 (Video-Extend) extends an input video with a new cinematic continuation generated from its last frame and a natural-language prompt. Ready-to-use REST API, best performance, no coldstarts, affordable pricing.
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alibaba/wan-3.0-prime/video-extend
Wan 3.0 Prime Video Extend continues existing videos by generating a new 2-30 second segment from the final frame and appending it to the retained source video. It preserves existing source audio, supports optional audio generation for the new segment, retains up to the last 120 seconds of input, and outputs at 480P / 720P / 1080P. Ready-to-use REST inference API, best performance, no coldstarts, affordable pricing.
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alibaba/wan-3.0/video-extend
Wan 3.0 Video Extend continues an existing video with a newly generated segment, preserving the source video and its original audio while supporting optional audio generation for the extension. It supports 480P / 720P / 1080P output, optional last-frame guidance, and prompt control for the next action and camera movement. Ready-to-use REST inference API, best performance, no coldstarts, affordable pricing.
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kwaivgi/kling-v4.0/video-extend
Kling V4.0 Video Extend continues a video from its last frame with a new 3 to 30 second segment guided by your prompt, at 720p or 1080p with synchronized stereo audio, and returns the original and the new segment joined. Ready-to-use REST inference API, best performance, no coldstarts, affordable pricing.
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wavespeed-ai/minimax-h3/video-extend
MiniMax H3 Open Weights Video-Extend appends a new cinematic continuation to an existing video. A fresh segment with native stereo audio is generated from the input video's last frame and a natural-language prompt, then the original and new segment are concatenated into a single output. Ready-to-use REST inference API, best performance, no coldstarts, affordable pricing.
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black-forest-labs/flux-3/video-extend
FLUX 3 Video Extend continues input videos into new 5-20 second clips, using prompt guidance to control the next action, camera movement, visual style, motion continuity, and optional synchronized audio at 720P / 1080P output. Ready-to-use REST inference API, best performance, no coldstarts, affordable pricing.
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alibaba/happyhorse-1.1/video-extend
Alibaba HappyHorse 1.1 Video Extend extends existing videos with seamless AI-generated continuation, supporting 720P / 1080P output while preserving visual continuity and motion consistency. Ready-to-use REST inference API, best performance, no coldstarts, affordable pricing.
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alibaba/happyhorse-1.0/video-extend
Alibaba Happy Horse 1.0 (Video Extend) extends existing videos with seamless AI-generated continuation, supporting 720p/1080p output. Ready-to-use REST API, best performance, no coldstarts, affordable pricing.
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bytedance/seedance-2.0/video-extend
Seedance 2.0 (Video-Extend) extends an input video with a new cinematic continuation generated from its last frame and a natural-language prompt. Ready-to-use REST API, best performance, no coldstarts, affordable pricing.
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bytedance/seedance-2.0-mini/video-extend
Seedance 2.0 Mini Video Extend is ByteDance's faster, lower-cost video extension model for cinematic multi-shot continuation. It extends existing videos into seamless narrative sequences with AI camera control, consistent characters, motion continuity, 480P / 720P / 1080P / 4K output, 4-15s duration, and flexible aspect ratios. Ready-to-use REST inference API, best performance, no coldstarts, affordable pricing.
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bytedance/seedance-2.0-fast/video-extend
Seedance 2.0 Fast (Video-Extend) extends an input video with a new cinematic continuation generated from its last frame and a natural-language prompt — at the faster, cheaper Seedance 2.0 Fast tier. Ready-to-use REST API, best performance, no coldstarts, affordable pricing.
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alibaba/wan-2.7/video-extend
WAN 2.7 Video Extend extends existing videos with optional last frame control and audio support, supporting 720p/1080p output. Ready-to-use REST inference API, best performance, no cold starts, affordable pricing.
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alibaba/wan-2.6/video-extend
WAN 2.6 Video-Extend turns short clips into longer videos with preserved or generated synchronized audio for continuity. Ready-to-use REST inference API, best performance, no coldstarts, affordable pricing.
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alibaba/wan-2.5/video-extend
WAN 2.5 Video-Extend turns short clips into longer videos with preserved or generated synchronized audio for continuity. Ready-to-use REST inference API, best performance, no coldstarts, affordable pricing.
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alibaba/wan-2.5/video-extend-fast
WAN 2.5 Fast is an AI-powered video extender that turns short clips into longer videos while preserving audio tracks for seamless extensions. Ready-to-use REST inference API, best performance, no coldstarts, affordable pricing.
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google/veo3.1-fast/video-extend
Extend Veo 3.1 videos in 7-second steps with the Fast endpoint—quick, coherent continuation that preserves style and motion, output as a single merged clip. Ready-to-use REST inference API, best performance, no coldstarts, affordable pricing.
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bytedance/seedance-v1.5-pro/video-extend-fast
Seedance 1.5 Pro Fast Video Extend turns short shots into longer clips with natural motion continuation and strong temporal consistency. Supports 4–12 s extensions, 720p/1080p output with built-in upscaling, and seed-reproducible results for shot matching. Ideal for ads, trailers, and short-drama beats. Production-ready REST API with fast response, no cold starts, and affordable pricing.
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bytedance/seedance-v1.5-pro/video-extend
Seedance 1.5 Pro Video-Extend turns short video clips into longer videos with natural motion continuation, stable aesthetics, and upscaled output. It supports 4–12s duration control, multiple aspect ratios/resolutions, and seed-reproducible results—ideal for extending ad creatives and short-drama shots. Built for stable production use with a ready-to-use REST API, no cold starts, and predictable pricing.
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pixverse/pixverse-v6/extend
PixVerse V6 Extend continues and enhances existing video content by analyzing the ending segment and generating new frames forward. Supports 360p to 1080p resolutions, 1-15 second extension duration, optional audio generation, and multiple styles. Ready-to-use REST inference API, best performance, no coldstarts, affordable pricing.
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x-ai/grok-imagine-video/video-extend
X-AI Grok Imagine Video Extend turns short clips into longer videos with smooth motion continuity and natural scene extension. Ready-to-use REST inference API, best performance, no coldstarts, affordable pricing.
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vidu/q2-pro/video-extend
Vidu Q2 Pro Extend Video seamlessly extends existing videos by 1-7 seconds with high-quality motion and scene continuity. Supports optional end-frame image guidance for precise control. Ready-to-use REST inference API, best performance, no coldstarts, affordable pricing.
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vidu/q2-turbo/video-extend
Vidu Q2 Turbo Extend Video seamlessly extends existing videos by 1-7 seconds with consistent motion and scene continuity. Supports optional end-frame image guidance for precise control. Ready-to-use REST inference API, best performance, no coldstarts, affordable pricing.
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wavespeed-ai/ltx-2.3/video-extend
LTX-2.3 is a DiT-based audio-video foundation model designed to generate synchronized video and audio within a single model, with improved audio and visual quality as well as enhanced prompt adherence. Ready-to-use REST inference API, best performance, no coldstarts, affordable pricing.
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google/veo3.1/video-extend
Extend and continue Veo 3.1 videos with smooth motion, preserved style, and strong scene coherence. Ready-to-use REST inference API, best performance, no coldstarts, affordable pricing.
Video Extend API — pricing & performance
Run any model in the Video Extend collection through a single REST API. Pay per generation — no subscriptions, no minimums — with industry-leading latency on a 99.9% uptime infrastructure.
Why run Video Extend on WaveSpeedAI
Transparent pricing
Per-call pricing for every Video Extend model. The price is listed on each model page — no platform fees on top.
Optimized for low latency
Most Video Extend image models complete in under 2 seconds. Video and 3D models run several times faster than self-hosted alternatives.
99.9% uptime
Multi-region failover and automatic retries keep your production traffic online — even during provider outages.
Frequently asked questions
How much does the Video Extend API cost?+
Each model has its own per-call price listed on the model page. We bill per successful generation, with no subscription fees or minimums.
How fast are Video Extend models on WaveSpeedAI?+
Image models in this collection typically complete in under 2 seconds. Video and 3D models depend on duration and resolution but are usually several times faster than self-hosted runs.
Can I try the API without a credit card?+
Eligible new accounts may receive $1 in promotional credits to try Video Extend models without a credit card. Trial credits are not guaranteed for every signup; check your account balance before generating.
Are there rate limits?+
Standard accounts have generous concurrent-job limits. Enterprise plans offer custom RPM, higher concurrency, and dedicated capacity — contact sales for details.