--- title: ByteDance Seed Team | daily.dev description: ByteDance's Seed team has launched Seedance 2.5, a new-generation AI video creation model. Key upgrades include single-pass generation of up to 30-second... canonical: https://daily.dev/posts/bytedance-seed-team-fvvcl4bji twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: ByteDance Seed Team | daily.dev og:description: ByteDance's Seed team has launched Seedance 2.5, a new-generation AI video creation model. Key upgrades include single-pass generation of up to 30-second... og:url: https://daily.dev/posts/bytedance-seed-team-fvvcl4bji og:image: https://api.daily.dev/og/posts/Fvvcl4bji.png og:image:alt: ByteDance Seed Team og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # ByteDance Seed Team **[Hacker News](https://daily.dev/sources/hn)** · 14 min read · 0 upvotes · 0 comments ## Summary ByteDance's Seed team has launched Seedance 2.5, a new-generation AI video creation model. Key upgrades include single-pass generation of up to 30-second audio-video clips with multi-round extension support for multi-minute content, fully upgraded multimodal referencing accepting up to 30 images, 10 video clips, and 10 audio clips per pass, and timestamp-level editing controls for precise audio and video modifications. The model also enhances clay render referencing, green screen editing, and camera perspective editing for professional film and advertising use cases. Seedance 2.5 is rolling out on Jimeng AI and Doubao Pro platforms, with API access coming via BytePlus ModelArk. Industry applications include education, industrial manufacturing, embodied intelligence, and autonomous driving simulation. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Community take How the wider developer community reacted, aggregated from 1 discussion and 249 comments across hackernews (as of 2026-08-04). **TL;DR:** Commenters are broadly impressed by Seedance 2.5's video quality — many calling it a genuine leap forward — but the thread is split between excitement about creative democratization and concern about misinformation, deepfakes, AI slop flooding platforms, and the erosion of human creative labor. **Sentiment:** 45% positive · 35% mixed · 20% skeptical **The case for** - The quality of AI-generated video has improved dramatically, with many commenters unable to spot flaws on first viewing. - AI video tools could democratize filmmaking, letting solo creators realize visions that previously required large crews and budgets. - Legitimate use cases exist beyond slop — e.g., educational content, community game-modding projects, and indie storytelling. - Costs per generation ($15/30s) are trivial compared to traditional film production budgets. **The pushback** - Deepfakes of real public figures without consent feel like stalker behavior and raise serious ethical/legal concerns. - AI video is already heavily used for scams, political misinformation, and spam content on social platforms. - The flood of cheap AI content degrades audience expectations and undercuts human creators economically. - Fine-grained creative control is still lacking — prompts replace craft, leaving little room for individual artistic expression. - Scam sites impersonating official Seedance access make it hard for legitimate users to even try the model. **By community** - hackernews (mixed): Commenters are genuinely impressed by the technical leap but deeply divided on ethics, creative value, and societal harm of AI video generation. **Hottest debate:** Whether AI video generation's harms (deepfakes, misinformation, creative displacement) outweigh its benefits (democratized filmmaking, entertainment, cost savings). **Open questions** - When will fine-grained directorial control (e.g., v2v with actor performance transfer) be available in these models? - How will society and regulation catch up to the ease of creating realistic fake video of real people? - Will a digital authenticity/provenance standard (e.g., camera-signed footage) emerge to help audiences distinguish real from AI video? - Is Seedance 2.5 available via official channels outside China, and when will Byteplus API serve it? **Highlights** > You know what, in my previous life as a filmmaker I could've only dreamed of such a thing. Filmmaking is an art form which you cannot do alone. Outside of a lot of time and money, you need cooperation of a number of people and each day of production you end up accumulating a set of compromises to your vision. Your taste is what makes you tolerate that or not, and it's exhausting. It matters if you're the author since at the end of the day it's your name on it, not the crew (as much). Now that we have these tools, I don't know but I am absolutely disinterested in it. Not that it doesn't feel right or anything, but I'm just not excited enough even to want to try to materialize some of my "big game" stuff. Closest thing I'd compare it with is like when you pirate a bunch of games and you play none as a result of abundance. Weird-ass times. > — [Keyframe on hackernews · 5 comments](https://news.ycombinator.com/item?id=49139511) > The quality is quite high, but an observation is the direction they're taking these models correlates heavily to the usage demand of China vs the West. Specifically, they're immensely focused on t2v for action / high effect shots. There's one human reference shot in the entire release page, and that one doesn't focus on dialog at all. For filmmakers I've talked to in the US, one of the biggest demands they have is v2v where they can carry over an actor's performance and insert it into whatever world they want. The movie market in China is somewhat different though - it's heavily oriented towards high action / high special effect movies. Consider this list of hollywood movies that have flopped in the US, but did great in China: Warcraft (China: $225m box office, US: $47m) Resident Evil (China: $159m, US: $27m) xXx: Return of Xander Cage (China: $164m, US: $44m) Pacific Rim: Uprising (China: $99m, US: $59m) One read of this is that action movies / visual spectacles translate more universally than dialog-based movies. Another read is culturally China prefers that type of content in general. I suspect that for Bytedance, their focus is on action / special effects because thats where they see the demand. > — [jjcm on hackernews · 3 comments](https://news.ycombinator.com/item?id=49139765) > People are still figuring out the social norms surrounding "deepfakes" and I'm convinced there are some versions of the future where it becomes normalized for content under essentially fair use/free speech doctrine, and many where it's used to restrict free speech in the small number of jurisdictions where public figures would currently be allowed to be featured in this content. Obviously there are a lot of ways it shouldn't be used but I want to live in the future where it's something we use to have fun, where reasonable, rather than a dangerous/sketchy taboo > — [weitendorf on hackernews](https://news.ycombinator.com/item?id=49140205) > Right now we're going through multiple concurrent but slightly non-overlapping transitions where AI is almost good enough for something, and seeing a predictable surge of spam/bad quality crap people don't like, followed by a whiplash effect when it reaches human or superhuman levels of performance. I think most developers would agree that the Cursor vibe-code era sentiment towards AI for coding was right in the sense that it wasn't that useful then, and a lot of people did and do stupid things with it, but it really did deliver quite substantially on its promise just a couple years after the "consensus" was often "that's never going to work". It's very strange to me how consistently public opinion shifts on this problem. In the long run we're all dead but whether it takes one or five years, you probably will be there to live through it. I assume whoever is downvoting you is just thinking with their consumer-brain or "I don't want that" (the way it is now) rather than that this will be no different than video games, or wasn't a child who watched youtubepoop or other weird stuff because it was funny. > — [weitendorf on hackernews](https://news.ycombinator.com/item?id=49140259) > I've been having some similar thoughts lately about some application spaces being more harmful than others. Coding, for example, seems somewhat benign, because code has to fulfil clear metrics: Either it works or it doesn't. Either it performs or it doesn't. As long as you are able to provide those metrics, you can to some extent treat it as a black box without losing much from a system view (lifecycle, long-term maintenance, keeping things working, broader qualified efficiency like re-use are of course other stories). But on the other hand, delegating decision-making and thinking to models feels plain harmful to me. I have so many stories around me from office settings these days: "We have to pre-pone meeting XYZ, and we don't have enough time to prepare, so I made this AI analysis ". This was then mis-prompted to fit a foregone conclusion, no one has time to do it or capacity to refute a 2000 word slop deck (except by slopping back), and crazy stuff becomes plan of record. This is really going to be a problem for organizations ... > — [sho\_hn on hackernews · 1 comments](https://news.ycombinator.com/item?id=49139364) **Source threads** - [hackernews](https://news.ycombinator.com/item?id=49138302) · 192 points · 249 comments ## Similar posts on daily.dev - [Seedance 2.5 Review 2026: ByteDance's 30-Second One-Take Video Model, Explained](https://daily.dev/posts/seedance-2-5-review-2026-bytedance-s-30-second-one-take-video-model-explained-9xmpyq4s4) · Medium · 0 upvotes · 0 comments - [ByteDance unveils Seedance 2.5, a 30-second native 4K AI video model that accepts 50 reference inputs](https://daily.dev/posts/bytedance-unveils-seedance-2-5-a-30-second-native-4k-ai-video-model-that-accepts-50-reference-input-ev9qwbd5q) · The Next Web · 0 upvotes · 0 comments - [How to make remarkable videos with Seedance 2.0 – Replicate blog](https://daily.dev/posts/how-to-make-remarkable-videos-with-seedance-2-0-replicate-blog-9moqdjr0a) · Replicate · 0 upvotes · 0 comments --- Tags: [#genai](https://daily.dev/tags/genai), [#multimodal](https://daily.dev/tags/multimodal), [#video-generation](https://daily.dev/tags/video-generation) [View this post on daily.dev](https://daily.dev/posts/bytedance-seed-team-fvvcl4bji) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"ByteDance Seed Team","url":"https://daily.dev/posts/bytedance-seed-team-fvvcl4bji","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/bytedance-seed-team-fvvcl4bji"},"datePublished":"2026-08-01T22:39:02.322Z","dateModified":"2026-08-04T05:06:46.769Z","description":"ByteDance's Seed team has launched Seedance 2.5, a new-generation AI video creation model. 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