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NOTE: read the entire post before commenting. The new xAI video/image API is extremely fast, very cheap, and produces high-quality video. I built an app using the xAI Video API to create newscasts about, xAI, SpaceX, Starlink, Neuralink, X, Grok. Step 1: Grok writes a newscast script from stories...

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tetsuo

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27,754 Aufrufe • vor 4 Monaten •via X (Twitter)

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Goodnight, 𝕏..·˚ ༘ ☾ ⋆｡˚ ☄︎ Newscast about xAI, SpaceX, Starlink, Neuralink, 𝕏, and Grok. Created using the xAI Video API. I upscaled the final frame to use as the starting point for the next clip's generation, but it only helped marginally. However, I found a paper called "FreeInit: Bridging Initialization Gap in Video Diffusion Models" that I'm going to try tomorrow to fix the drifting problem. The approach: 1. FFT both images (anchor frame + last frame) 2. Low-pass filter on anchor (structure/color/layout) 3. High-pass filter on last frame (details/edges/motion) 4. Combine and IFFT back
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Goodnight, 𝕏..·˚ ༘ ☾ ⋆｡˚ ☄︎ Newscast about xAI, SpaceX, Starlink, Neuralink, 𝕏, and Grok. Created using the xAI Video API. I upscaled the final frame to use as the starting point for the next clip's generation, but it only helped marginally. However, I found a paper called "FreeInit: Bridging Initialization Gap in Video Diffusion Models" that I'm going to try tomorrow to fix the drifting problem. The approach: 1. FFT both images (anchor frame + last frame) 2. Low-pass filter on anchor (structure/color/layout) 3. High-pass filter on last frame (details/edges/motion) 4. Combine and IFFT back

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Grok Imagine 1.0 is here, xAI hits $230B, and a SpaceX merger could be coming. Anime newscast created with the xAI Video API. Clip at 0:24–0:30 from xAI's official Grok Imagine 1.0 demo.
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Grok Imagine 1.0 is here, xAI hits $230B, and a SpaceX merger could be coming. Anime newscast created with the xAI Video API. Clip at 0:24–0:30 from xAI's official Grok Imagine 1.0 demo.

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You can create seamless, infinite-length videos with Grok 4 Imagine by screenshotting the last frame of a video and using it to generate another video.
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I'm proud to present this video created with Grok. Here are the main steps in the making of this video: 1. I wrote a draft script by hand. 2. I reworked the script with Grok to eliminate inconsistencies and add technical details (what I have them say about the Apollo missions and the stones is accurate). 3. Grok broke it down into scenes. 4. I switched to Grok Imagine's Agent mode: transforming each scene into a prompt. 5. I animated each scene in Agent mode using video, as well as cropping and image selection. 6. I edited it. Here's the result; it's hard to call it AI. I look forward to reading your comments. Grok Imagine Elon Musk
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I'm proud to present this video created with Grok. Here are the main steps in the making of this video: 1. I wrote a draft script by hand. 2. I reworked the script with Grok to eliminate inconsistencies and add technical details (what I have them say about the Apollo missions and the stones is accurate). 3. Grok broke it down into scenes. 4. I switched to Grok Imagine's Agent mode: transforming each scene into a prompt. 5. I animated each scene in Agent mode using video, as well as cropping and image selection. 6. I edited it. Here's the result; it's hard to call it AI. I look forward to reading your comments. Grok Imagine Elon Musk

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For this video created from an image in Grok Imagine, I combined two techniques: - the image editor from Grok Imagine - starting from a frame of a video to create other videos.
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For this video created from an image in Grok Imagine, I combined two techniques: - the image editor from Grok Imagine - starting from a frame of a video to create other videos.

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Grok Imagine API just released A world-class video generation + video editing model Text-to-Video: Turn simple prompts into rich video clips with audio Image Generation + Editing: Bring ideas to life with visuals from scratch Video Editing Tools: Restyle scenes, add/remove props, control motion Best-in-Class Quality + Low Latency: Designed to deliver fast, cost-efficient results API pricing: Image input: $0.002 Video input : $0.01 Video output : $0.05
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Grok Imagine API now supports built-in video editing on top of powerful video generation You can feed in your own videos and edit them directly with Grok Imagine, transforming or enhancing footage without traditional timeline editing Developers can generate high-quality videos at scale with fast iteration and simple integration into existing workflows One API does it all: • Text-to-video • Image-to-video • Edit existing videos directly • Replace, remove, or add objects inside a video • Built-in audio sync for every clip Turn your ideas into finished videos – at scale, through a single API

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XAI EXTENDS GROK IMAGINE VIDEO GENERATION TO 10 SECONDS WITH QUALITY ENHANCEMENTS xAI has updated its Grok Imagine tool to produce videos lasting 10 seconds, doubling the prior limit. This change, along with refinements in visual and audio elements, expands the tool's utility for short-form content creation. xAI released the upgrade to Grok Imagine in early 2026. The company, founded by Elon Musk, announced the feature through posts on the X platform. This follows previous iterations where videos were capped at shorter durations, typically 5 seconds. Grok Imagine allows users to generate videos from text prompts, building on its image creation capabilities. The update addresses constraints in video length that limited expressive potential. Users can now input descriptions to create clips, such as animations or scenes, without needing initial images. This positions the tool within the broader landscape of AI-driven multimodal generation, where text-to-video systems are increasingly common. The core adjustment doubles the maximum video duration from 5 seconds to 10 seconds. Accompanying this are upgrades to video quality, including more stable visuals, richer details, and improved clarity. Audio has also been enhanced for better output, making the generated content more immersive. These changes were described as "big improvements across the board" in the announcement. No specific benchmarks or quantitative metrics for the quality improvements were detailed in the release statements. The feature rollout appears gradual, with some users accessing it via the Grok app or web interface. xAI has not introduced user controls for exact timing, though such options are mentioned as future possibilities. This development highlights xAI's emphasis on iterative enhancements in generative AI tools. By extending duration while refining output fidelity, it reflects engineering priorities aimed at balancing computational efficiency with user needs. The focus on audio and visual stability suggests attention to common pitfalls in early text-to-video models, such as inconsistencies or artifacts. The sources do not specify the underlying model architecture changes or training data adjustments enabling this upgrade. Performance in real-world scenarios, like handling complex prompts or maintaining consistency across clips, remains unquantified in the announcements. Interpretations of broader implications for AI video generation would require additional evidence beyond what's provided.

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