--- title: The Ultimate Guide to FLUX 3 – Replicate blog | daily.dev description: FLUX 3 is Black Forest Labs' new multimodal foundation model that generates video and audio in a single pass, trained jointly on images, video, and audio to... canonical: https://daily.dev/posts/the-ultimate-guide-to-flux-3-replicate-blog-zxsuaoe7e twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: The Ultimate Guide to FLUX 3 – Replicate blog | daily.dev og:description: FLUX 3 is Black Forest Labs' new multimodal foundation model that generates video and audio in a single pass, trained jointly on images, video, and audio to... og:url: https://daily.dev/posts/the-ultimate-guide-to-flux-3-replicate-blog-zxsuaoe7e og:image: https://api.daily.dev/og/posts/zXSuaoE7e.png og:image:alt: The Ultimate Guide to FLUX 3 – Replicate blog 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. # The Ultimate Guide to FLUX 3 – Replicate blog **[Replicate](https://daily.dev/sources/replicate)** · 10 min read · 0 upvotes · 0 comments ## Summary FLUX 3 is Black Forest Labs' new multimodal foundation model that generates video and audio in a single pass, trained jointly on images, video, and audio to better encode physical laws and temporal dynamics. The guide covers its key capabilities: text-to-video, image-to-video with start/end frames, video continuation via the start_video parameter, timestamped multi-scene prompting, and stylized outputs (claymation, comic-book, VHS). Code examples show how to run it via Replicate's SDK and Cloudflare AI Gateway. Prompting tips include describing audio explicitly, using timestamp syntax for multi-beat scenes, leading with camera direction, and keeping image-to-video prompts simple. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Questions this post answers ### How do I run FLUX 3 on Replicate using the JavaScript SDK? Import the Replicate SDK and call replicate.run('black-forest-labs/flux-3') with an input object specifying prompt, duration, resolution, aspect_ratio, and generate_audio. Optional parameters include image for a start frame, end_image for a morph target (requires whole-number duration), keyframe_images for storyboard mode (up to 10), and start_video to continue an existing clip. _Developers shipping FLUX 3 integrations track API changes and new parameters on daily.dev._ ### How do I prompt FLUX 3 for multiple camera cuts in a single generation? Use timestamp syntax directly in the prompt: [0-4s]: wide establishing shot, [4-9s]: hard cut to close-up, [9-14s]: hard cut to wide shot. FLUX 3 interprets these as explicit cut points and produces the scene transitions in one generation without any post-processing stitching required. _Teams building AI video pipelines share prompting patterns like these on daily.dev._ ### Does FLUX 3 generate audio automatically, and how do I control what it sounds like? FLUX 3 generates audio in the same forward pass as the video when generate_audio is set to true. Describing sounds explicitly in the prompt — such as 'the shriek of tearing metal' or 'the low buzz of a neon transformer' — directly influences the audio output, not just the visuals, because the model was trained jointly on audio, video, and images. _Developers exploring multimodal AI video tools stay current on model capabilities through daily.dev._ ## Similar posts on daily.dev - [FLUX 3 x mimic: The Next Generation of Video-Action Models](https://daily.dev/posts/flux-3-x-mimic-the-next-generation-of-video-action-models-ixm7y902g) · Hacker News · 0 upvotes · 0 comments - [FLUX 3 Review 2026: Black Forest Labs' Multimodal Video Model, Priced Per Second](https://daily.dev/posts/flux-3-review-2026-black-forest-labs-multimodal-video-model-priced-per-second-axkbr9d2z) · Medium · 0 upvotes · 0 comments - [FLUX 3 Multimodal AI: How Black Forest Labs’ Model Beats Seedance 2.0 and Grok](https://daily.dev/posts/flux-3-multimodal-ai-how-black-forest-labs-model-beats-seedance-2-0-and-grok-twdasyenc) · SitePoint · 0 upvotes · 0 comments --- Tags: [#multimodal](https://daily.dev/tags/multimodal), [#video-generation](https://daily.dev/tags/video-generation) [View this post on daily.dev](https://daily.dev/posts/the-ultimate-guide-to-flux-3-replicate-blog-zxsuaoe7e) ```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":"The Ultimate Guide to FLUX 3 – Replicate blog","url":"https://daily.dev/posts/the-ultimate-guide-to-flux-3-replicate-blog-zxsuaoe7e","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/the-ultimate-guide-to-flux-3-replicate-blog-zxsuaoe7e"},"datePublished":"2026-08-10T06:16:14.353Z","dateModified":"2026-08-10T06:16:42.407Z","description":"FLUX 3 is Black Forest Labs' new multimodal foundation model that generates video and audio in a single pass, trained jointly on images, video, and audio to...","image":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/a5e105c36fa9adc61d602f0446797193?_a=AQAEuop","thumbnailUrl":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/a5e105c36fa9adc61d602f0446797193?_a=AQAEuop","isAccessibleForFree":true,"articleSection":"Replicate","inLanguage":"en","publisher":{"@type":"Organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180}},"author":{"@type":"Organization","name":"Replicate","logo":"https://media.daily.dev/image/upload/t_logo,f_auto/v1/logos/95c6024a3d254869b408d63656349699","url":"https://daily.dev/sources/replicate"},"commentCount":0,"discussionUrl":"https://daily.dev/posts/the-ultimate-guide-to-flux-3-replicate-blog-zxsuaoe7e","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":0},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"multimodal,video-generation","timeRequired":"PT10M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"Replicate","item":"https://daily.dev/sources/replicate"},{"@type":"ListItem","position":3,"name":"The Ultimate Guide to FLUX 3 – Replicate blog"}]} {"@context":"https://schema.org","@type":"FAQPage","@id":"https://daily.dev/posts/the-ultimate-guide-to-flux-3-replicate-blog-zxsuaoe7e#faq","mainEntity":[{"@type":"Question","name":"How do I run FLUX 3 on Replicate using the JavaScript SDK?","acceptedAnswer":{"@type":"Answer","text":"Import the Replicate SDK and call replicate.run('black-forest-labs/flux-3') with an input object specifying prompt, duration, resolution, aspect_ratio, and generate_audio. 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