OpenAI's Decisions API Is Now Live for Everyone — and It Was Built to Catch a Startup
We test the top AI tools for writing, video, images & music — so you don't have to.
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The price question first
Kling is the cheaper way in. Its free plan hands you 66 credits to play with (watermarked, 720p, non-commercial), and the paid Standard plan costs $8.80 a month after a $6.99 intro month, with 660 credits. The catch is the credit math: third-party testers report Kling 4.0 burns roughly 15 credits per second at 1080p, so one 30-second clip eats about 450 credits. Budget for retries, not just the clip you keep.
Veo has no real video-only plan — it rides inside Google's AI subscriptions. The free tier in the Gemini app is tightly capped, and Google AI Pro at $19.99 a month gets you roughly 10 full-quality Veo 3.1 clips a month (1,000 Flow credits, 100 per standard clip), at 720p with watermarks. Google's premium Ultra tier unlocks 1080p/4K, no watermark, and priority processing — but there's no standalone Veo subscription, so casual users pay for a whole Google bundle.
What each one is actually good at
Kling 4.0's headline trick is length: native 30-second clips in a single pass, double its predecessor, with up to 10 keyframes and an "Omni Reference" system that takes up to 15 reference images, videos, or audio clips to keep characters consistent. Prompt input stretches to 8,000 tokens. (Two caveats: the promised 10-bit HDR/4K output and 2-minute clip extension are announced but not live yet — that's the company's own telling.)
Veo 3.1's standout is sound. It's the only one of the two that generates synchronized dialogue, sound effects, and ambient audio natively — your characters actually talk. It tops out at 8 seconds per generation (you chain scenes for longer), outputs up to 4K, and slots straight into Google's Flow filmmaking tool, the Gemini app, and YouTube.
The honest weaknesses
Kling's credit economics punish experimentation — a few failed generations and your month is gone, and render queues can drag on cheaper plans at peak hours. Veo's 8-second cap means real storytelling takes chained generations (each billed), its free tier is a demo rather than a tool, and you're locked into Google's ecosystem and bundle pricing.
So which should you pay for?
Want the most video for the least money: Kling. The free tier is genuinely usable, Standard is under $9 a month, and 30-second native clips are unmatched for story-driven shorts. Need real dialogue and sound baked in: Veo 3.1 is the only choice — accept Google's $19.99 entry fee and the 8-second rhythm. Our
Runway vs Pika breakdown covers the studio-vs-social angle too. Pick the job first, then pick the tool.
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