REQUIRES YOUR OWN xAI API KEY. NO SUBSCRIPTION. Visit console.x.ai, add credits, and paste your key into the app. Write a prompt or upload a photo and get a watermark-free clip with synchronized audio, up to 15 seconds, 480p to 1080p, 16:9 or 9:16. Four modes: Text to Video, Image to Video, First and Last Frame, and Extend a Clip. You pay xAI directly from $0.05 per second, with no markup. No install, no account, no signup. Clips feed straight into Movie Maker Edit and Movie Maker Studio.