Script it. Generate it. Scale it — all with AI.
Professional-grade tools powered by AI, so you can focus on telling your story.
Paste a rough idea, a blog post, or just a topic — our AI transforms it into a fully-structured video script with scenes, narration, and timing.
Our AI maintains deep facial consistency across every scene. Whether in a spaceship or a forest, your hero looks like the same person.
Ultra-realistic AI voiceovers in any tone or style.
Auto-generated captions perfectly synced to audio.
From one-click presets to advanced AI orchestration — use your own assets or generate everything from scratch.
One click to transform your video into a masterpiece. Choose from a curated library of trending visual styles including 3D renders, cinematic anime, and watercolor.
Fine-tune the soul of your style. Write system instructions to control the lighting, cinematography, and atmosphere of every scene globally.
Upload your own images and videos to use as references or direct assets.
Use our AI voices, curated BGM, or upload your own voiceovers and soundtracks for absolute control over your audio.
Upload your own watermark, choose placement, and control opacity. Ensure every video you generate is recognizably yours.
From short-form Reels to 30-minute long-form content — we handle it all.
Generate videos in 9:16 for TikTok, Reels, and Shorts — or 16:9 for YouTube and presentations. Switch formats anytime.
Most AI video tools max out at 60 seconds. We generate full long-form videos — up to 30 minutes — with consistent quality throughout.
Join the new generation of storytellers who are redefining video production with Mostly.
“Scaling my faceless history channel was a nightmare until I found Mostly. I can now batch-produce 10 videos in a weekend. The research-to-video flow is actually usable.”
“I've tried every AI tool out there. This is the first one where the voices don't sound like robots and the visuals actually match the vibe of my mystery niche.”
“The script editor actually understands YouTube pacing. It knows exactly when to drop a hook. My average view duration has doubled since switching.”
“Being able to launch a Spanish version of my tech channel in minutes is wild. The captions and voices are perfect—not that weird translated feel.”
“Consistent characters changed everything. I've built a whole brand around a 'host' that doesn't even exist, and the audience loves the personality.”
“I used to spend thousands on editors. Native sound effects and cinematic styles mean I can ship premium content at a fraction of the cost.”
“The 9:16 output is just crisp. I just drop my viral hooks and Mostly handles the visual storytelling. My retention graphs are finally looking healthy.”
“Honestly, the best part is that it doesn't look 'AI.' It looks like custom-rendered footage. It gives my automation channels a massive edge over the competition.”
“Scaling my faceless history channel was a nightmare until I found Mostly. I can now batch-produce 10 videos in a weekend. The research-to-video flow is actually usable.”
“I've tried every AI tool out there. This is the first one where the voices don't sound like robots and the visuals actually match the vibe of my mystery niche.”
“The script editor actually understands YouTube pacing. It knows exactly when to drop a hook. My average view duration has doubled since switching.”
“Being able to launch a Spanish version of my tech channel in minutes is wild. The captions and voices are perfect—not that weird translated feel.”
“Consistent characters changed everything. I've built a whole brand around a 'host' that doesn't even exist, and the audience loves the personality.”
“I used to spend thousands on editors. Native sound effects and cinematic styles mean I can ship premium content at a fraction of the cost.”
“The 9:16 output is just crisp. I just drop my viral hooks and Mostly handles the visual storytelling. My retention graphs are finally looking healthy.”
“Honestly, the best part is that it doesn't look 'AI.' It looks like custom-rendered footage. It gives my automation channels a massive edge over the competition.”
“Scaling my faceless history channel was a nightmare until I found Mostly. I can now batch-produce 10 videos in a weekend. The research-to-video flow is actually usable.”
“I've tried every AI tool out there. This is the first one where the voices don't sound like robots and the visuals actually match the vibe of my mystery niche.”
“The script editor actually understands YouTube pacing. It knows exactly when to drop a hook. My average view duration has doubled since switching.”
“Being able to launch a Spanish version of my tech channel in minutes is wild. The captions and voices are perfect—not that weird translated feel.”
“Consistent characters changed everything. I've built a whole brand around a 'host' that doesn't even exist, and the audience loves the personality.”
“I used to spend thousands on editors. Native sound effects and cinematic styles mean I can ship premium content at a fraction of the cost.”
“The 9:16 output is just crisp. I just drop my viral hooks and Mostly handles the visual storytelling. My retention graphs are finally looking healthy.”
“Honestly, the best part is that it doesn't look 'AI.' It looks like custom-rendered footage. It gives my automation channels a massive edge over the competition.”
“Scaling my faceless history channel was a nightmare until I found Mostly. I can now batch-produce 10 videos in a weekend. The research-to-video flow is actually usable.”
“I've tried every AI tool out there. This is the first one where the voices don't sound like robots and the visuals actually match the vibe of my mystery niche.”
“The script editor actually understands YouTube pacing. It knows exactly when to drop a hook. My average view duration has doubled since switching.”
“Being able to launch a Spanish version of my tech channel in minutes is wild. The captions and voices are perfect—not that weird translated feel.”
“Consistent characters changed everything. I've built a whole brand around a 'host' that doesn't even exist, and the audience loves the personality.”
“I used to spend thousands on editors. Native sound effects and cinematic styles mean I can ship premium content at a fraction of the cost.”
“The 9:16 output is just crisp. I just drop my viral hooks and Mostly handles the visual storytelling. My retention graphs are finally looking healthy.”
“Honestly, the best part is that it doesn't look 'AI.' It looks like custom-rendered footage. It gives my automation channels a massive edge over the competition.”
“The way it handles B-roll is insane. I don't have to spend hours searching for the right clip; the AI just maps it to my script perfectly.”
“I create complex explainers. Mostly's ability to sync specific visuals with technical narration has saved my team 40+ hours a month.”
“The cinematic lighting preset is a game changer. My horror story channel looks like a movie trailer now, and engagement is through the roof.”
“Turning my blog posts into high-quality videos for Reels and TikTok has never been easier. The text-to-video accuracy is unmatched.”
“The scale is what's impressive. I can output a 20-minute video in the time it used to take me to just find a narrator. Quality is consistently 10/10.”
“Emotional resonance is usually where AI fails. Mostly manages to evoke genuine feeling through its score selection and visual rhythm.”
“I use this to prototype my high-end clients' projects. It gets the vision across so quickly that we skip weeks of back-and-forth.”
“Helping clients build a presence on YouTube used to be a 6-figure investment. Now, we can get them up and running in a week with Mostly.”
“The way it handles B-roll is insane. I don't have to spend hours searching for the right clip; the AI just maps it to my script perfectly.”
“I create complex explainers. Mostly's ability to sync specific visuals with technical narration has saved my team 40+ hours a month.”
“The cinematic lighting preset is a game changer. My horror story channel looks like a movie trailer now, and engagement is through the roof.”
“Turning my blog posts into high-quality videos for Reels and TikTok has never been easier. The text-to-video accuracy is unmatched.”
“The scale is what's impressive. I can output a 20-minute video in the time it used to take me to just find a narrator. Quality is consistently 10/10.”
“Emotional resonance is usually where AI fails. Mostly manages to evoke genuine feeling through its score selection and visual rhythm.”
“I use this to prototype my high-end clients' projects. It gets the vision across so quickly that we skip weeks of back-and-forth.”
“Helping clients build a presence on YouTube used to be a 6-figure investment. Now, we can get them up and running in a week with Mostly.”
“The way it handles B-roll is insane. I don't have to spend hours searching for the right clip; the AI just maps it to my script perfectly.”
“I create complex explainers. Mostly's ability to sync specific visuals with technical narration has saved my team 40+ hours a month.”
“The cinematic lighting preset is a game changer. My horror story channel looks like a movie trailer now, and engagement is through the roof.”
“Turning my blog posts into high-quality videos for Reels and TikTok has never been easier. The text-to-video accuracy is unmatched.”
“The scale is what's impressive. I can output a 20-minute video in the time it used to take me to just find a narrator. Quality is consistently 10/10.”
“Emotional resonance is usually where AI fails. Mostly manages to evoke genuine feeling through its score selection and visual rhythm.”
“I use this to prototype my high-end clients' projects. It gets the vision across so quickly that we skip weeks of back-and-forth.”
“Helping clients build a presence on YouTube used to be a 6-figure investment. Now, we can get them up and running in a week with Mostly.”
“The way it handles B-roll is insane. I don't have to spend hours searching for the right clip; the AI just maps it to my script perfectly.”
“I create complex explainers. Mostly's ability to sync specific visuals with technical narration has saved my team 40+ hours a month.”
“The cinematic lighting preset is a game changer. My horror story channel looks like a movie trailer now, and engagement is through the roof.”
“Turning my blog posts into high-quality videos for Reels and TikTok has never been easier. The text-to-video accuracy is unmatched.”
“The scale is what's impressive. I can output a 20-minute video in the time it used to take me to just find a narrator. Quality is consistently 10/10.”
“Emotional resonance is usually where AI fails. Mostly manages to evoke genuine feeling through its score selection and visual rhythm.”
“I use this to prototype my high-end clients' projects. It gets the vision across so quickly that we skip weeks of back-and-forth.”
“Helping clients build a presence on YouTube used to be a 6-figure investment. Now, we can get them up and running in a week with Mostly.”
Choose the plan that's right for your creative journey. All plans include access to our core AI video engine.
Drag to scale credits, video output, storage, and team seats
Understand how credits translate into content. Our transparent pricing ensures you always know what you're creating.
A scene is the building block of your video. Each scene includes:
OR ~2-4 Long-form documentaries
Full motion scenes for every script line
Everything you need to know about our plans, credits, and how we help you build better videos.