0%Runway Gen-4.5 Text-to-Video API
Runway·Video
Runway Gen-4.5 text-to-video. Async submit, poll, artifact download.
Pricing
Pay per generation. Pay with 350+ cryptocurrencies.
Per video
OpenRouter $0.480
What Runway Gen-4.5 Text-to-Video costs at volume
Capabilities · 2
Specifications
- Context window
- —
- Max output
- —
- Type
- Video
- Creator
- Runway
- Live sellers
- 1
- Requests / 24h
- 1
Price history · 60 days
Quick start
Async job: submit, then poll for the result. Get a key from the dashboard.
import requests, time
API = "https://api.qubax.ai/v1"
H = {"Authorization": "Bearer YOUR_QUBAX_API_KEY"}
job = requests.post(f"{API}/video/generations", headers=H, json={"model": "runway-gen4-5-text", "prompt": "slow drone shot over a misty pine forest at sunrise", "aspect_ratio": "16:9", "duration": "2s"}).json()
# Jobs run async — poll until done
while True:
r = requests.get(f"{API}/video/generations/{job['id']}", headers=H).json()
if r["status"] in ("completed", "failed"):
break
time.sleep(5)
print(r.get("video_url"))About Runway Gen-4.5 Text-to-Video
Runway Gen-4.5 Text-to-Video is a video generation model from Runway. It turns a text prompt into a video clip. It supports 16:9 and 9:16 aspect ratios and produces 2s, 3s, 4s, 5s, 6s, 7s, 8s, 9s and 10s clips. Generation runs as an async job on Qubax: submit a prompt, then poll for the finished video URL.
As of Nov 7, 2026, Runway Gen-4.5 Text-to-Video costs $0.480 per video on Qubax. Pay with USDC, USDT, BTC, ETH or 350+ other coins — no credit card required.
Frequently asked questions
How much does the Runway Gen-4.5 Text-to-Video API cost?
On Qubax, Runway Gen-4.5 Text-to-Video costs $0.480 per video.
Is the Runway Gen-4.5 Text-to-Video API compatible with OpenAI?
Yes. Qubax provides an OpenAI-compatible API. You can use Runway Gen-4.5 Text-to-Video as a drop-in replacement by changing your base URL to https://api.qubax.ai/v1 and using your Qubax API key. It works with Cline, Cursor, OpenCode, Hermes Agent, and any tool that supports OpenAI APIs.
How do I pay for Runway Gen-4.5 Text-to-Video API usage?
Qubax uses prepaid crypto credits. Top up with USDC, USDT, BTC, ETH, SOL or 350+ other coins and your balance is deducted as you use the API. No credit card or KYC required.
What can I make with Runway Gen-4.5 Text-to-Video?
Runway Gen-4.5 Text-to-Video is a video generation model. Common uses: text-to-video ads, social content, storyboards & previz and batch generation via api. Call it from your own code with a Qubax API key, or try it in Qubax Studio first.
How do I generate a video with the Runway Gen-4.5 Text-to-Video API?
POST your prompt to https://api.qubax.ai/v1/video/generations. You get a job id back immediately; poll GET /v1/video/generations/{id} until status is "completed", then download video_url. If a job fails, the hold on your balance is refunded.
Can I use Runway Gen-4.5 Text-to-Video for commercial projects?
Yes. Runway Gen-4.5 Text-to-Video on Qubax can be used for commercial purposes. You own the outputs you generate. Qubax provides the API infrastructure — you bring your use case.
Why use Runway Gen-4.5 Text-to-Video on Qubax?
Live market prices
Providers compete on price — you get the cheapest healthy seller.
Pay with crypto
350+ coins (BTC, ETH, SOL, USDT, USDC). No card, no KYC.
OpenAI & Anthropic compatible
Drop-in base URL. Works with Cline, Cursor, Claude Code, OpenAI and Anthropic SDKs.