Question 1

What is Kling 1.5?

Accepted Answer

Kling 1.5 is a text-to-video model from Kuaishou, released on 19 September 2024. Strongest physics simulation in the space — and cheaper than Sora.

Question 2

When was Kling 1.5 released?

Accepted Answer

Kling 1.5 was released by Kuaishou on 19 September 2024.

Question 3

How much does Kling 1.5 cost?

Accepted Answer

Kling 1.5 costs about $0.05 per second of generated video at default resolution. A 10-second clip therefore runs roughly $0.50.

Question 4

What is Kling 1.5 best for?

Accepted Answer

Kling 1.5 is most useful for action shots and physical-product demos. Its key strengths are best at physical realism, cheap and up to 2min clips.

Question 5

How fast is Kling 1.5?

Accepted Answer

Kling 1.5 with a typical time-to-first-token of 45.0 seconds on the major API providers.

Question 6

Is Kling 1.5 better than Sora?

Accepted Answer

Kling 1.5 and Sora target slightly different workloads — see the full breakdown for benchmark scores and pricing. See our full Kling 1.5 vs Sora comparison at /ai-models/compare/sora-vs-kling-1-5/.

Question 7

What is the best alternative to Kling 1.5?

Accepted Answer

The closest alternatives to Kling 1.5 are Sora, Runway Gen-3 Alpha and GPT-5.5. Each shares most of Kling 1.5’s use-cases — pick by price, context window or specific capability rather than headline intelligence.

Question 8

Is Kling 1.5 open source?

Accepted Answer

No. Kling 1.5 is proprietary — the weights are not released. Access is via Kuaishou’s own API and partner platforms. For open-weights alternatives in the same tier, see our open-source AI models page.

Question 9

Can I use Kling 1.5 for free?

Accepted Answer

Kling 1.5 offers a small free tier (typically a few minutes / images per month) via its consumer product. Beyond the free tier it’s billed per second of video / per minute of audio / per generated image.

Kling 1.5

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