Gen-4.5

Gen-4.5

Runway
+
+

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About

Runway Gen-4.5 is a cutting-edge text-to-video AI model from Runway that delivers cinematic, highly realistic video outputs with unmatched control and fidelity. It represents a major advance in AI video generation, combining efficient pre-training data usage and refined post-training techniques to push the boundaries of what’s possible. Gen-4.5 excels at dynamic, controllable action generation, maintaining temporal consistency and allowing precise command over camera choreography, scene composition, timing, and atmosphere, all from a single prompt. According to independent benchmarks, it currently holds the highest rating on the “Artificial Analysis Text-to-Video” leaderboard with 1,247 Elo points, outperforming competing models from larger labs. It enables creators to produce professional-grade video content, from concept to execution, without needing traditional film equipment or expertise.

About

HunyuanCustom is a multi-modal customized video generation framework that emphasizes subject consistency while supporting image, audio, video, and text conditions. Built upon HunyuanVideo, it introduces a text-image fusion module based on LLaVA for enhanced multi-modal understanding, along with an image ID enhancement module that leverages temporal concatenation to reinforce identity features across frames. To enable audio- and video-conditioned generation, it further proposes modality-specific condition injection mechanisms, an AudioNet module that achieves hierarchical alignment via spatial cross-attention, and a video-driven injection module that integrates latent-compressed conditional video through a patchify-based feature-alignment network. Extensive experiments on single- and multi-subject scenarios demonstrate that HunyuanCustom significantly outperforms state-of-the-art open and closed source methods in terms of ID consistency, realism, and text-video alignment.

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

Filmmakers, content creators, advertisers, and digital artists in need of a tool to transform written or visual prompts into polished, cinematic video content

Audience

Digital content creators and filmmakers wanting a solution to generate personalized, subject-consistent videos using multi-modal inputs

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

Screenshots and Videos

Pricing

No information available.
Free Version
Free Trial

Pricing

No information available.
Free Version
Free Trial

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

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Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

Runway
Founded: 2018
United States
runwayml.com/research/introducing-runway-gen-4.5

Company Information

Tencent
Founded: 1998
China
hunyuancustom.github.io

Alternatives

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Kuaishou Technology

Alternatives

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HunyuanOCR

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Kling O1

Kling O1

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Qwen3-VL

Qwen3-VL

Alibaba
Gen-3

Gen-3

Runway
VideoPoet

VideoPoet

Google
Wan2.1

Wan2.1

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Qwen3-Omni

Qwen3-Omni

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Categories

Categories

Integrations

CUDA
Hugging Face
Hunyuan T1
HunyuanVideo
Runway
Runway Dev

Integrations

CUDA
Hugging Face
Hunyuan T1
HunyuanVideo
Runway
Runway Dev
Claim Gen-4.5 and update features and information
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