RunwayvsLetta

Full side-by-side comparison — features, pricing, platforms, and which one wins in 2026.

Runway

AI Image & Video

AI-powered creative tools for video and image generation

Full review →Website ↗

Letta

AI Agent Frameworks

Build stateful AI agents with long-term memory

Full review →Website ↗
FeatureRunwayLetta
CategoryAI Image & VideoAI Agent Frameworks
PricingFree + Pro $12/moFree (open-source) + Cloud
GitHub Stars—
✓ More stars
13k
PlatformsWebLinux, macOS, Docker
Key Features
  • ✓ Video generation
  • ✓ Image editing
  • ✓ Gen-2 model
  • ✓ Green screen
  • ✓ Motion tracking
  • ✓ Long-term memory
  • ✓ Stateful agents
  • ✓ Tool use
  • ✓ Multi-model
  • ✓ Self-editing memory
Pros
  • + Leading AI video generation
  • + Creative suite of tools
  • + Text-to-video capability
  • + Professional quality
  • + Regular model updates
  • + Solves long-term memory problem
  • + Self-editing memory
  • + Stateful agents
  • + Multi-model support
  • + Active research backing
Cons
  • − Expensive credits system
  • − Short video clips only
  • − Quality can be inconsistent
  • − Rendering takes time
  • − Complex memory management
  • − Performance overhead
  • − Rebranding confusion
  • − Still experimental
Tags
videocreativegenerationediting
memorystatefulagentsopen-source

Want to compare different tools?

← Back to compare picker

Related Comparisons

Runway vs OpenClaw →Letta vs OpenClaw →Runway vs OpenHands →Letta vs OpenHands →Runway vs Stable Diffusion →Letta vs Stable Diffusion →Runway vs Microsoft AutoGen →Letta vs Microsoft AutoGen →Runway vs Midjourney →Letta vs Midjourney →Runway vs AutoGPT →Letta vs AutoGPT →