YepAPI
RunwayVideo Generation/v1/media/queue

Runway Aleph 2 API

Runway Aleph 2 from $0.59/sec — the premium Runway tier with eight aspect ratios.

Runway's premium Aleph 2 model. Five-second clips with the widest aspect-ratio range in Runway's lineup — eight options from 21:9 to 9:16 — from $0.59 per second.

No credit card required. Takes 30 seconds.

Runway Aleph 2 API pricing

Pay per request from your YepAPI balance — no subscription, no monthly minimum. Prices updated July 31, 2026.

BillingPrice
Rate$0.59/sec
What it costsPer job
5-second clipfrom lowest resolution$2.95
10-second clipfrom lowest resolution$5.90
100 × 5-second clipsan ad-creative batch$295.00

2,400+

Developers

1.2M+

API calls served

100+

Endpoints

$0.01

Per call

Yep, that's it.

Try it live

Enter a prompt and generate a video with Runway Aleph 2.

POST/v1/media/queue
Response
Hit "Send Request" to see the response

Runway Aleph 2 specs

ProviderRunway
Model IDrunway/aleph-2
Endpoint/v1/media/queue
TypeVideo Generation
Aspect ratios16:9, 4:3, 3:2, 1:1, 2:3, 3:4, 9:16, 21:9
Durations5 seconds

How to get a Runway Aleph 2 API key

  1. 1

    Create a free account

    Sign up at yepapi.com with Google or email. It takes about 30 seconds and needs no card.

  2. 2

    Create an API key

    Open the dashboard, go to API Keys and create a key. Copy it — it starts with yep_sk_.

  3. 3

    Call Runway Aleph 2

    Send a request to /v1/media/queue with the x-api-key header and model "runway/aleph-2".

  4. 4

    Pay as you go

    Usage is billed per request from your balance. Top up any amount; there is no subscription.

Strengths

✓
Premium quality tier

Aleph 2 is Runway's high-end model, aimed at shots where fidelity matters more than cost per second.

✓
Eight aspect ratios

From 21:9 cinematic through 3:2, 1:1, and 9:16 vertical — more framing control than Gen-4.5.

✓
Focused 5-second shots

A fixed 5-second length suits hero shots and inserts that get cut into a longer edit.

✓
REST, not a seat licence

Per-second billing from a prepaid balance instead of a monthly plan.

Quick start

Copy this snippet and start making calls with Runway Aleph 2.

// Step 1: Submit job
const res = await fetch('https://api.yepapi.com/v1/media/queue', {
  method: 'POST',
  headers: {
    'x-api-key': 'YOUR_API_KEY',
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
    "model": "runway/aleph-2",
    "prompt": "A macro shot of ink dispersing through water in slow motion, indigo tendrils curling against a pale backdrop, high-key lighting",
    "options": {
      "aspectRatio": "16:9",
      "resolution": "1080p",
      "duration": "6"
    }
  }),
});
const { data } = await res.json();
const jobId = data.jobId;

// Step 2: Poll for result
const status = await fetch(`https://api.yepapi.com/v1/media/status/${jobId}`, {
  headers: { 'x-api-key': 'YOUR_API_KEY' },
});
const { data: job } = await status.json();
// job.status: "pending" | "processing" | "completed" | "failed"
// job.result: { text?, image?, audio?, video? }

Runway Aleph 2 vs similar models

Every model below runs on the same API key — switch by changing the model ID.

ModelProviderPrice
Runway Aleph 2Runwayfrom $0.59/sec
Runway Gen-4.5Runwayfrom $0.25/sec (720p)
Seedance 1.0 Pro FastByteDancefrom about $0.02/sec (480p), about $0.04/sec (720p), about $0.10/sec (1080p)
Grok Imagine Video 1.5 LitexAIfrom $0.04/sec (480p)
HeyGen VideoHeyGenfrom $0.04/sec (480p)
Seedance 1.0 ProByteDancefrom about $0.05/sec (480p), about $0.10/sec (720p), about $0.24/sec (1080p)
Seedance 2.0 MiniByteDancefrom about $0.07/sec (480p)
Wan 2.6Alibabafrom $0.08/sec (480p), $0.17/sec (720p), $0.25/sec (1080p)

Why use Runway Aleph 2 through YepAPI?

✓One API key for all models — no separate accounts
✓No monthly minimums — pay per call
✓Switch models with one line of code
✓Simple REST API — works from any language
✓Unified billing across all providers
✓No rate limits for most use cases

Runway Aleph 2 API — premium AI video generation

Aleph 2 is Runway's premium video model, generating focused five-second shots across eight aspect ratios from 21:9 to 9:16 — the widest framing range in Runway's lineup.

On YepAPI it is one `POST /v1/media/queue` call away, billed per second from $0.59 with no Runway subscription attached.

Start generating in 30 seconds

$5 free credit on signup. No credit card required. Pay per call.

What developers say

“Switched from SerpAPI and cut our SERP costs by 80%. Same data quality, way simpler billing.”

Marcus T.

SEO Platform Founder

“One API key for AI models, SERP data, and web scraping. Saved us from managing 4 separate providers.”

Priya S.

Full-Stack Developer

“The $5 free credit let us prototype our entire rank tracking feature before committing. No other API does that.”

Jake R.

Indie Hacker

Frequently asked questions

Runway's premium Aleph 2 model. Five-second clips with the widest aspect-ratio range in Runway's lineup — eight options from 21:9 to 9:16 — from $0.59 per second.

Runway Aleph 2 costs from $0.59/sec through YepAPI, billed per request with no monthly fee. For example, a 5-second clip (from lowest resolution) costs about $2.95.

Sign up at yepapi.com (Google or email, about 30 seconds), open the dashboard and create an API key. The same key works for Runway Aleph 2 and every other model — no separate Runway account or waitlist.

New YepAPI accounts in most countries get free signup credit, enough to test Runway Aleph 2 without a card. After that you pay per request at the rates above — there is no subscription.

Use "runway/aleph-2" as the model on /v1/media/queue. The short alias "aleph" also works.

Ready to use Runway Aleph 2?

$5 free credit on signup. No credit card required. Pay per call.

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