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The Homebrew cask installs the macOS Apple Silicon build, rather than the Windows or Linux versions described on the product site.\n\n- The app supports AI video generation, including text-to-video and image-to-video workflows.\n- It includes a video editor for working with generated material and footage.\n- Generation can use local hardware after initial setup; the product also offers API-backed generation, which uses cloud compute.\n- The first-run setup downloads model files. LTX-2.5 weights require signing in to Hugging Face and accepting the applicable model license.\n\nInstall with `brew install --cask ltx-desktop`. This cask targets 64-bit ARM Macs and requires macOS 12 or later. The product's setup guide says an internet connection is needed initially for setup and downloads. Requirements for local generation depend on hardware; the product describes API mode for hardware that cannot run generation locally.\n\nSources: [LTX Desktop](https:\u002F\u002Fltx.io\u002Fltx-desktop) · [Homebrew cask](https:\u002F\u002Fraw.githubusercontent.com\u002FHomebrew\u002Fhomebrew-cask\u002FHEAD\u002FCasks\u002Fl\u002Fltx-desktop.rb)","Desktop app for generating videos with LTX models","LTX Desktop","3293017349d11607c765b3be9161999d74e898ad9cfb34e74829bb43008db7e2",741762436,"https:\u002F\u002Fgithub.com\u002FLightricks\u002FLTX-Desktop\u002Freleases\u002Fdownload\u002Fv1.3.0\u002FLTX-Desktop-arm64.dmg","https:\u002F\u002Fformulae.brew.sh\u002Fcask\u002Fltx-desktop","https:\u002F\u002Fltx.io\u002Fltx-desktop","https:\u002F\u002Fcdn.opennavo.com\u002Ficons\u002Fuploads\u002F95e400b55c90\u002F1cb61b72e6ab-256.png","brew install --cask 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2FLTX-Desktop",[305],{"caption":306,"height":307,"machineTranslated":38,"sourceLocale":308,"theme":309,"thumbUrl":310,"url":311,"width":312},"Official application interface",465,"en-US","dark","https:\u002F\u002Fcdn.opennavo.com\u002Fscreenshots\u002Fuploads\u002Fscreenshot\u002F214c06633d26\u002Fba83e59c15c2-640.png","https:\u002F\u002Fcdn.opennavo.com\u002Fscreenshots\u002Fuploads\u002Fscreenshot\u002F214c06633d26\u002Fba83e59c15c2-1280.png",1280,"https:\u002F\u002Fgithub.com\u002Fhomebrew\u002Fhomebrew-cask\u002Fblob\u002FHEAD\u002FCasks\u002Fl\u002Fltx-desktop.rb","A macOS desktop app for generating videos with LTX models; this Homebrew cask is for Apple Silicon Macs.",{"locale":308,"machineTranslated":38,"sourceLocale":308,"status":316},"source",{"arm64":34,"requiresRosetta":38,"status":318,"x86_64":38},"known",[320,321,322,323],"video generation","video editing","text-to-video","image-to-video","homebrew\u002Fcask","2026-10-09T20:16:04.119385Z",null,{"current":302,"records":328,"size":436,"stats":437,"total":295},[329,332,348,375,401,406,411,416,421,426,431],{"brewCommittedAt":75,"hasNotes":38,"isLatest":34,"isPrerelease":38,"sections":330,"source":77,"translation":331,"version":80},[],{"status":79},{"bodyMarkdown":333,"brewCommittedAt":334,"hasNotes":34,"id":335,"isLatest":38,"isPrerelease":38,"machineTranslated":38,"publishedAt":336,"sections":337,"source":343,"sourceLocale":308,"summary":344,"title":345,"translation":346,"version":347},"LTX Desktop 1.2.7 fixes two local-generation issues. On Apple Silicon, LTX 2.5 Fast no longer drives memory use into the tens of gigabytes or freezes during denoising. On AMD systems using ROCm, generation no longer treats the GPU as an NVIDIA CUDA device and skips FP8. This also prevents VRAM exhaustion when loading the full transformer on 32GB-class cards.\n\n[Official release notes](https:\u002F\u002Fgithub.com\u002FLightricks\u002FLTX-Desktop\u002Freleases\u002Ftag\u002Fv1.2.7)","2026-08-26T16:47:22Z",5385,"2026-08-26T14:53:22Z",[338],{"area":339,"items":340},"Bug fixes",[341,342],"Apple Silicon: LTX 2.5 Fast no longer spikes memory or freezes during denoise.","AMD ROCm: avoids CUDA misidentification and VRAM exhaustion on 32GB-class cards.","editorial","Fixes local-generation issues affecting LTX 2.5 Fast on Apple Silicon and GPU detection and VRAM use on AMD systems with ROCm.","LTX Desktop 1.2.7 Release Notes",{"locale":308,"machineTranslated":38,"sourceLocale":308,"status":316},"1.2.7",{"bodyMarkdown":349,"brewCommittedAt":350,"hasNotes":34,"id":351,"isLatest":38,"isPrerelease":38,"machineTranslated":38,"publishedAt":352,"sections":353,"source":343,"sourceLocale":308,"summary":371,"title":372,"translation":373,"version":374},"LTX Desktop 1.2.6 adds an optional last-frame image to GenSpace video generation when a first frame is set. This option works for both local and API generation, but is not available with Auto duration. The GenSpace prompt bar can now be resized, and its height is remembered.\n\nFor Enhance using the API, selecting the feature without a valid Gemini key opens Settings → API Keys. Gemini 3.5 Flash-Lite is the default Gemini model.\n\nThe release fixes a freeze at the start of denoising for local Z-Image on Mac. On Windows systems with 16GB GPUs, the first local Fast generation no longer fails with a paging-file \u002F HTTP 500 error while loading the checkpoint. The first-run Choose Location screen now reports actual free disk space.\n\n[Official release notes](https:\u002F\u002Fgithub.com\u002FLightricks\u002FLTX-Desktop\u002Freleases\u002Ftag\u002Fv1.2.6)","2026-08-23T10:15:56Z",5344,"2026-08-23T09:08:30Z",[354,360,365],{"area":355,"items":356},"GenSpace",[357,358,359],"Video can use an optional last-frame image when a first frame is set.","Last-frame input is unavailable with Auto duration.","Prompt-bar height is resizable and remembered.",{"area":361,"items":362},"Enhance",[363,364],"Without a valid Gemini key, Enhance opens Settings → API Keys.","Default Gemini model is Gemini 3.5 Flash-Lite.",{"area":366,"items":367},"Fixes",[368,369,370],"Mac local Z-Image no longer freezes at denoising start.","Windows 16GB GPUs: first local Fast run avoids a paging-file\u002FHTTP 500 failure.","First-run Choose Location shows actual free disk space.","Adds optional last-frame input for GenSpace video, a resizable prompt bar, and clearer API-key handling for Enhance. Fixes local-generation and first-run location issues.","LTX Desktop 1.2.6",{"locale":308,"machineTranslated":38,"sourceLocale":308,"status":316},"1.2.6",{"bodyMarkdown":376,"brewCommittedAt":377,"hasNotes":34,"id":378,"isLatest":38,"isPrerelease":38,"machineTranslated":38,"publishedAt":379,"sections":380,"source":343,"sourceLocale":308,"summary":397,"title":398,"translation":399,"version":400},"LTX Desktop 1.2.5 adds on-device Retake and Extend for local LTX 2.5. These options remain unavailable for Cloud 2.5 Fast \u002F Pro. In Video Editor, gap fill can create 2–5s clips when the hole is shorter than 6s; the GenSpace duration picker in API mode still begins at 6s.\n\nThe release clarifies output options: GenSpace labels 2160p as 4K, while API offerings include 720p. LTX-2.5 Pro (API) is limited to 720p and 1080p, without 48 fps or 1440p\u002F4K. Audio-to-video resolution and duration caps match the API. Finished GenSpace cards now keep the model and resolution selected when Generate was clicked, even if the picker changes while a job runs.\n\nA Windows fix prevents local generation on 16GB GPUs from failing with a false CUDA out-of-memory error when the operating system cannot pin host RAM. [Official release notes](https:\u002F\u002Fgithub.com\u002FLightricks\u002FLTX-Desktop\u002Freleases\u002Ftag\u002Fv1.2.5)\n\n- Fixed a false CUDA out-of-memory error on Windows with local generation on 16GB GPUs.","2026-08-20T16:42:42Z",5362,"2026-08-20T15:38:50Z",[381,387,394],{"area":382,"items":383},"Generation",[384,385,386],"Local LTX 2.5 supports on-device Retake and Extend.","Cloud 2.5 Fast \u002F Pro still do not support Retake or Extend.","Video Editor gap fill generates 2–5s clips for gaps under 6s.",{"area":388,"items":389},"Limits",[390,391,392,393],"GenSpace labels 2160p as 4K; API offerings include 720p.","LTX-2.5 Pro (API) supports 720p and 1080p only.","API Pro has no 48 fps or 1440p\u002F4K; audio-to-video caps match API limits.","In API mode, the GenSpace duration picker still starts at 6s.",{"area":366,"items":395},[396],"Finished GenSpace cards retain the model and resolution used at Generate.","Local LTX 2.5 now supports on-device Retake and Extend. This release also clarifies GenSpace and API output limits, adds short gap-fill clips in Video Editor, preserves generation settings on finished cards, and fixes a Windows local-generation error on 16GB GPUs.","LTX Desktop 1.2.5",{"locale":308,"machineTranslated":38,"sourceLocale":308,"status":316},"1.2.5",{"brewCommittedAt":402,"hasNotes":38,"isLatest":38,"isPrerelease":38,"sections":403,"source":77,"translation":404,"version":405},"2026-08-19T16:49:23Z",[],{"status":79},"1.2.4",{"brewCommittedAt":407,"hasNotes":38,"isLatest":38,"isPrerelease":38,"sections":408,"source":77,"translation":409,"version":410},"2026-08-14T16:21:36Z",[],{"status":79},"1.2.0",{"brewCommittedAt":412,"hasNotes":38,"isLatest":38,"isPrerelease":38,"sections":413,"source":77,"translation":414,"version":415},"2026-07-23T13:38:18Z",[],{"status":79},"1.1.0",{"brewCommittedAt":417,"hasNotes":38,"isLatest":38,"isPrerelease":38,"sections":418,"source":77,"translation":419,"version":420},"2026-04-28T10:50:01Z",[],{"status":79},"1.0.5",{"brewCommittedAt":422,"hasNotes":38,"isLatest":38,"isPrerelease":38,"sections":423,"source":77,"translation":424,"version":425},"2026-04-04T01:33:35Z",[],{"status":79},"1.0.4",{"brewCommittedAt":427,"hasNotes":38,"isLatest":38,"isPrerelease":38,"sections":428,"source":77,"translation":429,"version":430},"2026-04-02T16:33:51Z",[],{"status":79},"1.0.3",{"brewCommittedAt":432,"hasNotes":38,"isLatest":38,"isPrerelease":38,"sections":433,"source":77,"translation":434,"version":435},"2026-03-12T19:24:05Z",[],{"status":79},"1.0.2",20,{"brewLag":438,"cadence":301,"count30d":302},{"compared":298,"earlierCount":299,"medianMinutes":300},{"current":302,"records":440,"size":302,"stats":444,"total":295},[441],{"brewCommittedAt":75,"hasNotes":38,"isLatest":34,"isPrerelease":38,"sections":442,"source":77,"translation":443,"version":80},[],{"status":79},{"brewLag":445,"cadence":301,"count30d":302},{"compared":298,"earlierCount":299,"medianMinutes":300}]