Act-One by Runway
Free PlanMost PopularBest For CreatorsEditor's Choice

Act-One by Runway

by Runway

Expressive Character Performances with Simple Video Inputs

Reviewed September 2026by CompareBestAI
8.0/10

Score

4.0 out of 5 · our score

Our verdict

Runway Act-One generates expressive character animations from a simple actor video performance, available inside Gen-3 Alpha on paid Runway plans.

Overview

Act-One (superseded by Act-Two on paid plans) uses video and voice performances as inputs to animate generated characters with faithful eye-lines, micro-expressions, and pacing. Requires a Runway paid plan; Runway pricing: Free ($0, 125 one-time credits), Standard $12/mo annual ($15 monthly), Pro $28/mo annual, Max $76/mo annual, Team & Enterprise custom.

Score breakdown

Overall score

8.0/10
Output quality8.5/10
Ease of use8.0/10
Value for money7.5/10
Features & tools8.0/10
API & integrations5.0/10
Support & docs6.5/10

Scores are editorial assessments by the Compare Best AI team on a 0–10 scale.

Expert review

C

CompareBestAI

Compare Best AI · Editorial Team

Act-One (superseded by Act-Two on paid plans) uses video and voice performances as inputs to animate generated characters with faithful eye-lines, micro-expressions, and pacing. Requires a Runway paid plan; Runway pricing: Free ($0, 125 one-time credits), Standard $12/mo annual ($15 monthly), Pro $28/mo annual, Max $76/mo annual, Team & Enterprise custom.

How we tested

Days tested

7 days

Tasks evaluated

  • ·Animating a character using a single video input
  • ·Adjusting motion intensity settings
  • ·Integrating Act-One with other Runway tools

Method

Compared against competitors using identical inputs and workflows

Reviewer

CompareBestAI

Plans & pricing

Most Popular

Standard

$15/month

$12/month billed annually

Curious creators trying AI video

  • 625 credits per month
  • Access to all AI video and image models

Pro

$35/month

$28/month billed annually

Creators leveling up their craft

  • 2,250 credits per month
  • Access to all AI video and image models

Max

$95/month

$76/month billed annually

Heavy solo usage

  • 9,500 credits per month
  • Credits roll over one month

Pricing may vary by region. Always verify on the vendor's website.

Feature comparison

FeatureAct-One by RunwayCompetitor1Competitor2
Core
Performance-driven facial animation
Character image or video input
Output
Expression and lip-sync influence
Adjustable motion intensity
Pricing
Free plan available
Dev
Public API
Integrations
Included Partial / add-on Not included

Is it right for you?

Good fit for

Animate generated characters

Animate generated characters

Live-action and animated content

Live-action and animated content

Facial performance transfer

Facial performance transfer

Creative video prototyping

Creative video prototyping

User reviews

4.0

Editorial score

5
48%
4
28%
3
6%
2
4%
1
0%

Distribution is estimated from our editorial score. Verified user reviews coming soon.

Use cases

Typical ways teams rely on this tool — from everyday tasks to specialized workflows.

  • Animate generated characters
  • Live-action and animated content
  • Facial performance transfer
  • Creative video prototyping

Integrations

Reported connectors

Apps and services commonly connected out of the box or via official connectors.

  • Gen-3 Alpha
  • Gen-3 Alpha Turbo
  • Aleph
  • Act-Two

Details

Category

Video Generation

Price

  • From $15/month
  • $12/month billed annually

Free version

false

Best for

  • Animate generated characters
  • Live-action and animated content
  • Facial performance transfer

Frequently asked questions

Act-One by Runway

Act-One by Runway

Video Generation

Ready to get started?

Visit the Act-One by Runway website to explore plans and start your free trial.

Try Act-One by Runway free

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