Kling V3
Kuaishou's Kling 3.0 image-to-video and text-to-video, in Standard, Pro, and 4K tiers, plus native-audio variants.
Kuaishou$0.38 / secondtext-to-video4kkling
Tier
Capability
Est. cost$1.90$1 ≈ 2 seconds of video.
Example output
$0.38/ second
$0.38 per second. $1 ≈ 2 seconds of video.
Pay only for successful generations. No idle, no minimums, no per-seat.
API
Wire it up.
Endpoint
POST https://api.tryinfer.com/v1/inference/kling-v3-4k/text-to-videorequest
curl https://api.tryinfer.com/v1/inference/kling-v3-4k/text-to-video \
-H "Authorization: Bearer $INFER_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"input": {
"prompt": "a red kite drifting over the sea at golden hour, slow camera push-in"
}
}'
Parameters
| Name | Type | Required | Default | Description |
|---|---|---|---|---|
| seed | integer | — | — | — |
| audio | boolean | — | false | — |
| prompt | string | Yes | — | — |
| aspect_ratio | string | — | 16:9 | 16:99:161:1 |
| duration_seconds | integer | — | — | 510 |
Authenticate with a bearer token. Get an API key →
Further reading
From the Infer content directory.
CompareHailuo 02 vs Kling 3.0: is the cheap one good enough?Kling 3.0 Pro wins on quality and camera control; Hailuo 02 Pro is 20% cheaper per second, not the 50% its own listing claims. Here is when cheap is enough.GuidesHow to prompt Kling 3.0: camera control that worksKling 3.0 Pro's edge is frame-by-frame camera direction. Nine template prompts built from its spec sheet, plus what the docs don't cover and cost settings.GuidesHow AI video leaderboards actually work (and why they disagree)Elo, Bradley-Terry math, and dimension scoring, explained with a real example: the same model ranked #3 on one snapshot and #6 on another, 83 days apart.