Kling O1
Kling O1 from $0.24/sec — reasoning-led video generation for complex, multi-beat prompts.
Kling's reasoning-led video model. Interprets complex prompts before rendering, producing 5 or 10 second clips at 720p with audio and keyframe control — from $0.24 per second.
No credit card required. Takes 30 seconds.
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 Kling O1.
Drop image or click to upload
For image-to-video (first/last frame)
Pricing
Per-second: from $0.24/sec (720p)
Endpoint
/v1/media/queue
Strengths
The O1 line plans the shot from the prompt, which helps on briefs with sequence, causality, or specific staging.
Multi-beat descriptions — an action, then a reaction — survive into the generated clip more often.
Two fixed durations at 720p in 16:9, 9:16, or 1:1.
Optional synced audio plus first/last-frame conditioning for controlled starts and endings.
Quick start
Copy this snippet and start making calls with Kling O1.
// Step 1: Submit job
const res = await fetch('https://api.yepapi.com/v1/media/queue', {
method: 'POST',
headers: {
'x-api-key': 'YOUR_API_KEY',
'Content-Type': 'application/json',
},
body: JSON.stringify({
"model": "kwaivgi/kling-video-o1",
"prompt": "A domino chain topples across a wooden table, knocking over the last piece which tips a small bell — camera tracks alongside at table height, soft daylight",
"options": {
"aspectRatio": "16:9",
"resolution": "1080p",
"duration": "6"
}
}),
});
const { data } = await res.json();
const jobId = data.jobId;
// Step 2: Poll for result
const status = await fetch(`https://api.yepapi.com/v1/media/status/${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? }Why use Kling O1 through YepAPI?
Kling O1 API — reasoning-led AI video generation
Kling O1 is the reasoning-oriented member of Kling's video lineup. Rather than rendering straight from the prompt, it interprets the brief first, which pays off when a shot has a sequence of events or specific staging.
Through YepAPI it generates 5 or 10 second 720p clips on `/v1/media/queue` at about $0.24 per second, with optional audio and keyframe control.
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.”
“One API key for AI models, SERP data, and web scraping. Saved us from managing 4 separate providers.”
“The $5 free credit let us prototype our entire rank tracking feature before committing. No other API does that.”
Frequently asked questions
Kling's reasoning-led video model. Interprets complex prompts before rendering, producing 5 or 10 second clips at 720p with audio and keyframe control — from $0.24 per second.
Pricing for Kling O1 through YepAPI is based on usage. No monthly minimums — you only pay for what you use.
Sign up for a free API key, then send requests to the /v1/media/queue endpoint.
Ready to use Kling O1?
$5 free credit on signup. No credit card required. Pay per call.
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