Veo 3.1 vs Kling 3.0 Pro
The short answer
Both are leading text-to-video models you can call through one key on ApexApi. Veo 3.1 is known for high-quality output with native audio, while Kling 3.0 Pro is a strong, widely used generator with its own motion and style character. The right pick depends heavily on the look you want, so the practical move is to run the same prompt through both and compare the clips and the per-second cost in the table.
At a glance
| Veo 3.1 | Kling 3.0 Pro | |
|---|---|---|
| Maker | fal.ai | fal.ai |
| Type | video | video |
| Price | $0.240–$0.720/sec | $0.134–$0.202/sec |
Prices are live from the catalog and include our service fee.
When to choose Veo 3.1
- •You want native audio generated with the video.
- •You prefer Veo's motion and rendering character.
- •You are generating for launches and product demos.
When to choose Kling 3.0 Pro
- •You prefer Kling's motion and style for your prompts.
- •You want an alternative look to compare against Veo.
- •Per-second cost for your clip lengths is the deciding factor.
Call both through one API and key
ApexApi serves Veo 3.1 and Kling 3.0 Pro behind a single OpenAI-compatible endpoint. A/B them by changing one string.
Start freeFrequently asked questions
- Can I use both Veo 3.1 and Kling 3.0 Pro through one API?
- Yes. ApexApi serves both behind one OpenAI-compatible endpoint and a single ak- key. Switch between them by changing the model slug, so you can A/B them on your own prompts without re-integrating.
- Which is cheaper, Veo 3.1 or Kling 3.0 Pro?
- Live per-token prices for both are in the table above. Pricing changes over time, so the table reflects the current catalog rather than a fixed number.
- How do I switch from Veo 3.1 to Kling 3.0 Pro?
- Change one string, the model slug, in your request. Same endpoint, same key, same billing. No new account or SDK.