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.
CompareKling 3.0 vs Veo 3.1: which wins in 2026?Kling 3.0 Pro beats Veo 3.1 Fast on Elo, resolution, and camera control at a near-identical price. Veo wins only on native audio. Full comparison and verdict.GuidesThe State of AI Video Generation: July 2026Twelve months of AI video data: leaderboard shifts, an 8x price spread, and audio going from novelty to table stakes. The July 2026 reference report.PricingThe cheapest AI video generation APIs in 2026Hailuo 02 Pro is the cheapest AI video API at $0.08/second on Infer. Price ranking across Veo, Kling, Wan, and Seedance, plus worked costs for real batches.