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Kling AI vs Viva AI

Two fact sheets from our own research, side by side — pricing, platforms, API access and status re-checked by us rather than quoted from the vendors. Kling AI starts at $10, Viva AI at $6. Both have a free tier. Only Kling AI ships a public API.

Kling AIKuaishou-lineage generator turning text and images into 1080p–4K video clips, extendable to about three minutesViva AIText or image to video, stills and 3D models, priced in credits from $6 a month.

Side by side

FactKling AIViva AI
CategoryText-to-Video GeneratorsText-to-Video Generators
Pricing modelFreemiumFreemium
Starts at$10 month$6 month
Public APIYesNo
PlatformsWeb, iOS, Android, APIWeb
CompanyKLING AI PTE. LTD.HiDream.ai
Launched2024—
Last verifiedSep 6, 2026Sep 6, 2026

What our research says

Kling AI

Kling's realistic motion and its video-extension trick — stretching clips toward three minutes — put it in the top tier of consumer video generators at a lower entry price than most rivals. The catch is metering and diligence: quality modes burn credits fast, and a bot-blocked website plus a Singapore shell of a Chinese parent make the vendor harder to evaluate.

Pros

  • Strong motion realism from the Kling model family
  • Extension feature pushes clips well past the usual 5–10 second limit
  • Entry membership at $10/month undercuts several Western competitors
  • Web, mobile apps and an API cover casual and developer use

Cons

  • Credit consumption climbs steeply with 4K and premium modes
  • Official site blocks scripted access, complicating verification and integrations research
  • Corporate structure (Kuaishou lineage, Singapore seller of record) is opaque

Viva AI

Vivago is HiDream.ai's own consumer front end, which is why it undercuts most Western generators: $6 a month for a thousand credits and a genuinely usable free daily allowance. Breadth is its selling point - video, images, 3D and 4K enhancement in one place. The catches are output rights on the cheap tiers and the fact that the site blocks automated access, which makes independent verification awkward.

Pros

  • Covers text-to-video, image-to-video, stills, 3D models and 4K enhancement on one credit balance
  • Free tier with daily resetting credits, not a one-off trial
  • Entry paid tier is $6 a month, cheaper than most video generators
  • Editing tools (magic eraser, expand, replace) alongside generation
  • Backed by HiDream.ai's own models rather than reselling someone else's API

Cons

  • Free and Basic users get only a royalty-free licence while Vivago keeps broader usage rights; full ownership starts at Plus
  • Free-tier output is watermarked and video length is capped at a few seconds
  • vivago.ai returns HTTP 403 to automated fetches, so pricing cannot be read from the vendor
  • Corporate details are inconsistent across third-party listings

Which one fits

Choose Kling AI if you need

  • Creators making short cinematic clips from stills or prompts
  • Users who want longer continuous shots via video extension
  • Mobile-first creation on iOS and Android

Choose Viva AI if you need

  • Creators who want video, images and 3D from one credit balance
  • Budget-conscious testing before paying for a premium generator
  • Upscaling existing footage to 4K

More comparisons

All Kling AI alternatives →All Viva AI alternatives →Browse all Text-to-Video Generators →