Compare · AI video generators

Runway vs Captions

Runway: An AI creative suite for video, images and audio, with its own Gen-4.5 and Aleph 2.0 plus other labs' models. Captions: AI video editor and generator for your phone: AI Edit, AI actors and twins, captions in 100+ languages.

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Updated October 16, 2026

Runway and Captions details as published on runway.com and captions.ai (and their official app store listings), checked October 16, 2026. Luren AI shown for reference.
	Runway	Captions	Luren AI
Platforms	Web, iOS, Android	iOS, Android, Web	iPhone and Android app
Mobile app	Yes	Yes	Yes, iPhone and Android
Free plan	Free plan with 125 one-time credits and a selection of models.	Yes: a free version with basic editing tools and one caption template, but no AI usage credits.	Free to download and try
Pricing	Credit-based plans: Standard $15, Pro $35 and Max $95 a month, or $12, $28 and $76 a month billed yearly (as listed on its pricing page). Extra credits can be bought, from 1,000 credits.	Free version, then subscriptions with monthly AI credits: Max at $24.99 a month and Frontier from $69.99 a month (as listed on its pricing page). The page notes these are iOS plan prices; yearly plans are billed upfront at a discount, and Enterprise is custom.	Pay per creation with coins, or a weekly or yearly Pro subscription
What you need to start	None: start from a text prompt, or upload an image, video or audio as a reference.	None for AI actors; a single selfie for an AI Twin of yourself.	One photo, or just a prompt; no training
AI models	Its own Gen-4.5, Gen-4 Image and Aleph 2.0, plus models from other labs such as Seedance 2.5, Kling 3.0, Nano Banana Pro, Nano Banana 2.1, Seedream 5.0, Wan 3.0 and FLUX.3.	Models are not named on its site; its App Store listing says you can choose from 20+ models for music, sounds and visuals.	Nano Banana Pro, Nano Banana 2.1, GPT Image 2.5, Seedream, Qwen-Image 3.0, Grok Imagine; Veo 3.1, Kling, Seedance
Images	Images from a prompt or a reference photo, with consistent characters, objects and locations	AI Image is listed among its generative tools	300+ styles, your own prompt with a model picker, and an AI agent
Video	Text-to-video, image-to-video and video-to-video, plus Runway Agent for complete videos from a conversation	AI Creator, AI Ads, AI Skits and AI Twin videos, text-to-video and generated B-roll	Image to video, text to video, UGC videos and 40+ AI dances
Editing	Aleph 2.0 edits existing footage up to 30 seconds: change one element, the lighting or the background and keep the rest	AI Edit, chat-based editing, captions in 100+ languages, dubbing, eye contact, denoise and auto zoom	Restore, upscale, change clothes, backgrounds, pose and expression

Choose Runway if…

Filmmakers, agencies and brands making ads, short films and music videos
Editing existing footage without a reshoot
Creators who want several top video models in one place

Runway is a cloud-based creative suite for generating and editing video, images and audio, on the web and in apps for iPhone and Android. It pairs its own models, such as Gen-4.5 for video and Aleph 2.0 for editing existing footage, with models from other labs including Seedance, Kling and Nano Banana, and Runway Agent plans and assembles a whole video from a conversation. Its site says it is used by more than 60 million creators.

Strengths

Its own video models, Gen-4.5 and Aleph 2.0, alongside models from other labs in one subscription
Aleph 2.0 edits footage you already have and changes only what you ask for
Runway Agent plans the shots, generates them and assembles the finished video
Work syncs between the phone apps and the web, with plugins for Premiere Pro and After Effects

Limits to know

The free plan is a one-time 125 credits rather than a monthly allowance
Monthly credits do not roll over on the Standard and Pro plans
Its store listing ties more credits, higher resolution and faster generation to paid plans
The iOS app is for iPhone only, and its App Store listing is in English

Runway alternatives →

Choose Captions if…

Creators who film themselves talking and want fast edits
Small businesses making short social videos and ads
Adding captions or translations to existing videos

Captions, built by Mirage, is an AI video editor and generator designed for the phone, with a web version. It edits talking videos automatically or through a chat-based editor, generates videos with AI actors or an AI twin made from a selfie, and adds captions, translation and dubbing.

Strengths

One-tap AI editing that cuts scenes, adds B-roll and sound to your own footage
An AI twin from a single selfie, plus AI actors for talking videos
Captions and translated subtitles in 100+ languages

Limits to know

The free version includes no AI usage credits
On Android the app is published as Captions Lite
Its pricing page shows iOS plan prices only

Captions alternatives →

Key differences

Runway is listed among ai video generators and ai image generators and ai product photo tools; Captions among ai video generators and ai ugc and ad makers.
Free plans: Runway: Free plan with 125 one-time credits and a selection of models. Captions: Yes: a free version with basic editing tools and one caption template, but no AI usage credits.

A third option

Both kinds of model, in one phone app

Luren AI puts Nano Banana Pro, GPT Image 2.5, Seedream, Veo 3.1 and Kling side by side on iPhone and Android, with 300+ ready-made styles, UGC ads, AI dances and an AI agent that makes the picture for you. Start from one photo, no training.

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FAQ

Runway vs Captions: questions

Is Runway better than Captions?

It depends on the job. Runway suits filmmakers, agencies and brands making ads, short films and music videos; editing existing footage without a reshoot; creators who want several top video models in one place. Captions suits creators who film themselves talking and want fast edits; small businesses making short social videos and ads; adding captions or translations to existing videos.

Is Runway free?

Free plan with 125 one-time credits and a selection of models.

Is Captions free?

Yes: a free version with basic editing tools and one caption template, but no AI usage credits.

Which is better for video, Runway or Captions?

Runway: Text-to-video, image-to-video and video-to-video, plus Runway Agent for complete videos from a conversation. Captions: AI Creator, AI Ads, AI Skits and AI Twin videos, text-to-video and generated B-roll.

Is there an alternative to Runway and Captions on my phone?

Luren AI is an iPhone and Android app with image models like Nano Banana Pro, GPT Image 2.5 and Seedream, video models like Veo 3.1 and Kling, 300+ ready-made styles and an AI agent. It is free to download and try.

More comparisons

Sources

Runway and Captions are trademarks of their owners. Luren AI is not affiliated with either. Details are as each company publishes them on its own site and store listings on the date above; plans and prices change, so check their sites before you buy.