Now offering crypto payments →

Model APIs · Video generation

Kling 2.1 Pro API

Run Kling 2.1 Pro by Kling through one OpenAI-compatible endpoint. Pay per use against your GPU.ai balance — no instance to rent, no deployment to manage.

Available now
Pricing

Kling 2.1 Pro API pricing

Live catalog rates, billed per use against your GPU.ai balance. No subscriptions, no minimums.

TierRate
Serverless
Per second of video: $0.065Per clip (from): $0.323

Rates are read hourly from the live model catalog and metered per request.

Quick start

Call Kling 2.1 Pro in one request

Any OpenAI SDK works — set the base URL to https://api.gpu.ai/v1 and use your GPU.ai API key.

curl
# Start a generation, then poll it until it completes.
curl https://api.gpu.ai/v1/videos \
  -H "Authorization: Bearer $GPUAI_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "gpuai/kling-2.1-pro",
    "prompt": "A drone shot over a mountain lake at dawn"
  }'

curl https://api.gpu.ai/v1/videos/{video_id} \
  -H "Authorization: Bearer $GPUAI_API_KEY"
Details

Kling 2.1 Pro on GPU.ai

Model idgpuai/kling-2.1-pro
ModalityVideo generation
AuthorKling
Context window
Streaming
Aliases
FAQ

Kling 2.1 Pro API questions

How much does the Kling 2.1 Pro API cost?

Kling 2.1 Pro on GPU.ai currently costs $0.065 (per second of video), $0.323 (per clip (from)). There are no subscriptions or minimums — usage is billed against your GPU.ai balance as you go.

Is the Kling 2.1 Pro API OpenAI-compatible?

Yes. Point any OpenAI SDK at https://api.gpu.ai/v1 with a GPU.ai API key and request model "gpuai/kling-2.1-pro" — no proprietary client needed.

How does billing work?

Generation models bill per output (per image, or per second of video) at the listed rate, metered per request against your GPU.ai balance.