Video Extend
Effortlessly extend videos with WaveSpeed AI, generating smooth continuations that preserve motion, style, and scene consistency.
Our selection
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.
All models
18 models
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.
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.
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.
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.
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.
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.
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.
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.
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.
wavespeed-ai/ltx-2/video-extend
LTX Video 2.0 extends existing videos by generating new content at the start or end. Supports prompt-guided extension up to 20 seconds. Ready-to-use REST inference API, best performance, no coldstarts, affordable pricing.
vidu/q2-turbo/extend-video
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.
vidu/q2-pro/extend-video
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.
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.
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.
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.
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.
wavespeed-ai/wan-2.2-spicy/video-extend-lora
Extend clips into unlimited longer videos with WAN 2.2 Spicy, producing smooth animation and supporting custom LoRA weights. Ready-to-use REST inference API, best performance, no coldstarts, affordable pricing.
wavespeed-ai/wan-2.2-spicy/video-extend
Extend short clips into unlimited, high-quality longer videos with smooth animation using WAN 2.2 Spicy. 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?+
Yes — every account gets $1 in free credits on signup, enough to try most Video Extend models without a credit card.
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.