Kling 4.0 is an AI video model for creators, marketers and studios who need control, not lucky rerolls. Unlike prompt-and-pray generators, you lock the story first: up to 10 keyframes, 15 reference assets and 8,000-token prompts drive 30-second clips in a single pass. Stereo audio and lip sync in 10+ languages are built in. Creative Recreation swaps products or characters in existing videos. Kling 4.0 Flash handles fast, cheaper drafts, and MCP + CLI access plugs it into agent workflows.
Most AI video tools still work like a slot machine. You write a prompt, hit generate, and hope. Kling 4.0 goes the other way and lets you plan the story before you generate anything.
What stood out:
🎬 Up to 30 seconds of video in one pass 🖼️ Up to 10 keyframes to lock scene transitions and story beats 📎 Up to 15 reference assets per generation, including storyboards, wireframes and depth maps 🗣️ Lip sync in 10+ languages, plus stereo audio 🔁 Creative Recreation: take an existing video and swap the product or character without redoing the whole thing 🤖 MCP and CLI access, so you can plug it into agent workflows
And then there’s 4.0 Flash, built for high-frequency creation. It’s faster, cheaper, and tops out at 720p and 20 seconds. Perfect for drafts, social content and testing ideas before you commit to the full model.
My favorite use case is Creative Recreation for ads. Make one video, then swap in different products for every variant. That’s going to save marketers a lot of time.
No comment highlights available yet. Please check back later!
About Kling 4.0 on Product Hunt
“Fast and affordable AI video for high-frequency creators”
Kling 4.0 launched on Product Hunt on October 20th, 2026 and earned 109 upvotes and 2 comments, placing #9 on the daily leaderboard. Kling 4.0 is an AI video model for creators, marketers and studios who need control, not lucky rerolls. Unlike prompt-and-pray generators, you lock the story first: up to 10 keyframes, 15 reference assets and 8,000-token prompts drive 30-second clips in a single pass. Stereo audio and lip sync in 10+ languages are built in. Creative Recreation swaps products or characters in existing videos. Kling 4.0 Flash handles fast, cheaper drafts, and MCP + CLI access plugs it into agent workflows.
Kling 4.0 was featured in Design Tools (263.5k followers), Artificial Intelligence (481.5k followers) and Video (2k followers) on Product Hunt. Together, these topics include over 183.3k products, making this a competitive space to launch in.
Who hunted Kling 4.0?
Kling 4.0 was hunted by Kate Ramakaieva. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
Want to see how Kling 4.0 stacked up against nearby launches in real time? Check out the live launch dashboard for upvote speed charts, proximity comparisons, and more analytics.
Kate Ramakaieva
Hey Product Hunt 👋
Most AI video tools still work like a slot machine. You write a prompt, hit generate, and hope. Kling 4.0 goes the other way and lets you plan the story before you generate anything.
What stood out:
🎬 Up to 30 seconds of video in one pass
🖼️ Up to 10 keyframes to lock scene transitions and story beats
📎 Up to 15 reference assets per generation, including storyboards, wireframes and depth maps
🗣️ Lip sync in 10+ languages, plus stereo audio
🔁 Creative Recreation: take an existing video and swap the product or character without redoing the whole thing
🤖 MCP and CLI access, so you can plug it into agent workflows
And then there’s 4.0 Flash, built for high-frequency creation. It’s faster, cheaper, and tops out at 720p and 20 seconds. Perfect for drafts, social content and testing ideas before you commit to the full model.
My favorite use case is Creative Recreation for ads. Make one video, then swap in different products for every variant. That’s going to save marketers a lot of time.
You can try it now at kling.ai