ImageRunwayv4· Released 2025-05-10

Runway Gen-4

Generate consistent characters and scenes with coherent style across outputs.

Runway Gen-4 is Runway's latest image model focused on generating consistent characters and scenes with coherent style across multiple outputs. It supports reference-image conditioning for character lock-in. On Oakgen it costs about 21 credits per image (~$0.08).

Try Runway Gen-4 →See pricing

Capabilities at a glance

Character consistency across multiple images
Coherent style and scene understanding
Reference-image conditioning for character lock-in
6–10 second generation
Strong at multi-subject scenes

Specs

Starting price: $0.08 / generation
Generation time: 6–10 seconds
Max resolution: 2048×2048
Inputs → outputs: text, image → image

How to use Runway Gen-4

1
Upload character references
Provide reference images to lock character appearance. Gen-4 maintains consistency in face, clothing, and pose across scenes.
2
Build scene sequences
Generate multiple images of the same character in different settings for storyboards, marketing sequences, or social content.

API access

curl -X POST https://api.oakgen.ai/v1/generate/image \
  -H "Authorization: Bearer $OAKGEN_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "runway-gen-4",
    "prompt": "Character in a futuristic city, cyberpunk lighting",
    "reference_image_url": "https://..."
  }'

Compared to other models

vs. flux-kontext-pro — scene coherence

Runway Gen-4 has stronger scene-level coherence and multi-subject handling. FLUX Kontext Pro is faster and cheaper for single-character consistency.

License & commercial use

Licensed through Runway's commercial terms.

Permitted on all paid Oakgen plans.

FAQs

How much does Runway Gen-4 cost on Oakgen?

Runway Gen-4 starts at $0.08 per generation on Oakgen. Most generations complete in 6–10 seconds. The $19/month Pro plan includes 5,000 credits, covering roughly 240 generations per month.

Can I use Runway Gen-4 commercially?

Permitted on all paid Oakgen plans.

What is the maximum output resolution?

Runway Gen-4 supports up to 2048×2048.

Does Oakgen provide API access to Runway Gen-4?

Yes. Oakgen's REST API exposes Runway Gen-4 under the model slug 'runway-gen-4'. See the API snippet below for an example request.

Related models

FLUX Kontext Pro

Character-consistent image generation with photorealistic rendering across scenes.

FLUX Pro 1.1

Photorealistic text-to-image with industry-leading prompt adherence.

GPT Image 1

OpenAI's multimodal image generator with strong instruction following and native editing.