Step 04 · Engine

Who's rendering this?

Cloud generators with your API keys, a local ComfyUI box, or your own webhook agent. MotionSteer just speaks each one's protocol. Manage keys →

Runway Gen-4
Cloud · API · connected

Cinematic motion, strong character & environment coherence. Best all-rounder for music videos — 10s clips, 1080×1920 native.

max duration10s × N native res1080 × 1920 avg render28 s/clip quota left4,200 credits
RECOMMENDED api key ✓ $0.42 / 10s
Kling 2.1 Pro
Cloud · API · connected

Long-take vertical natively. Strongest for human characters & lip-sync. Slower queue at peak hours.

max duration10s × N native res1080 × 1920 avg render45 s/clip quota left$18.20
api key ✓ $0.56 / 10s
Luma Ray 2
Cloud · API · NOT connected

Best for surreal, abstract, and textural shots. Excellent motion physics. Bring a Dream Machine API key.

max duration9s × N native res1080 × 1920 avg render30 s/clip cost est.$0.35 / 9s
Add Luma API key → connect
Pika 2.2
Cloud · API · NOT connected

Fast iteration, ingredient-based editing, the best lipsync. Cheapest cloud option.

max duration5s × N native res1080 × 1920 avg render14 s/clip cost est.$0.18 / 5s
Add Pika API key
OpenAI Sora 2
Cloud · API · NOT connected

Highest photoreal fidelity, audio-aware. Queue-limited — expect 2–6 min per scene.

max duration20s × N native res1080 × 1920 avg render2-6 min/clip cost est.$1.20 / 20s
Requires Sora API tier