Runway vs Kling AI — The Two Biggest AI Video Platforms Compared Head-to-Head

Runway and Kling AI are the two most-cited AI video platforms in creative production. Runway Gen-3 Alpha is the most mature Western AI video platform: text-to-video, image-to-video, Act-One performance transfer, and the Frames still-image model in an integrated editing interface. Kling AI 1.5 (Kuaishou) emerged as the strongest Chinese AI video competitor, with particular strength in photorealistic character video and animal motion. Search data shows Runway leading Western markets (peak Google Trends index 100 in Q1 2025) and Kling gaining fast (60%+ quarterly growth). Both platforms share one critical dependency: video quality scales directly with reference image quality. A clean, well-lit, consistent character reference produces stronger output on either platform. EZ Character generates that reference layer — a locked 8-angle character set that gives both Runway and Kling a stronger anchor for image-to-video generation.

Last updated May 20, 2026 · By the EZ Character team

Runway vs EZ Character at a glance

Criterion	EZ Character	Runway
Primary use case	Static multi-angle character reference sheets	Runway: text/image-to-video, Act-One, video editing \| Kling: text/image-to-video, photorealistic character animation
Video length	N/A	Runway: up to 10s (Gen-3) \| Kling: 5–10s (1.5 model)
Pricing (entry)	$0 free tier (40 free credits every month)	Runway: $15/mo Standard \| Kling: free trial credits, then paid plans
Character identity in video	N/A	Runway: strong within clip \| Kling: among best for short photorealistic clips
Reference image dependency	Produces the reference	Both platforms depend on reference image quality for image-to-video output
Interface	Web app, drag-and-drop	Runway: web-based editor suite \| Kling: web app, Kuaishou ecosystem
API access	Roadmap	Runway: yes \| Kling: limited as of mid-2025
Best for	Generating the reference both platforms require	Runway: integrated video production \| Kling: photorealistic character and animal video

When to use each

EZ Character

You need the locked static reference set that both Runway and Kling require as input. Build the reference layer once, use it with either platform.

Runway

Use Runway for an integrated video editing environment with Act-One and the Frames model. Use Kling when photorealistic character or animal motion is the priority.

Frequently asked questions

Is Kling AI better than Runway for character video?

Neither is universally better. Community benchmarks in Q1–Q2 2025 favour Kling 1.5 for photorealistic humans and animals, and Runway Gen-3 for stylised and illustrated characters with complex motion. Both depend so heavily on reference image quality that a clean input reference matters more than platform choice for most use cases.

Can I use the same reference image in both Runway and Kling?

Yes. A clean EZ Character reference frame works in Runway Gen-3, Runway Act-One, Kling 1.5, and any other AI video platform. The reference image format — PNG, clean background, clear lighting — is a universal input across all current video models. Lock the reference once, test both platforms, keep the better output.

Which is cheaper — Runway or Kling?

Runway Standard starts at $15/month with established credit allocations. Kling's pricing was still evolving in mid-2025 with free trial credits and emerging tiered plans. For production use with predictable budgeting, Runway's stable pricing is an advantage. For light exploratory use, Kling's trial credits provide a lower entry barrier.

Do Runway and Kling have character reference features?

Both use reference images as the primary input for image-to-video generation. This is not a conditioning parameter like Midjourney --cref; it is the fundamental input mode. Neither platform locks character identity across multiple independent video clips — each clip is an independent generation from the reference image you provide.

Why do AI video platforms need clean reference images?

AI video models generate motion by interpreting a reference image frame-by-frame. Ambiguous facial features, inconsistent lighting, or cluttered backgrounds force the model to guess — and guesses compound into visible drift and artifacts across frames. A clean, well-lit, consistent reference gives the model less ambiguity to resolve, producing stronger video output.

Try EZ Character free

Upload one image. Get 8 consistent angles. See the difference for your own character.

Generate your reference set

Free tier: 40 credits every month. No credit card required.