Turn any STEM topic into a 20-min deep lecture
AI generates script, slides, code demos & voice. Save $1,000+ per course.
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Why AI-generated lectures matter right now
The global online education market is projected to surpass $400 billion by 2026, yet producing a single high-quality video lecture still costs between $50 and $200 per minute when done by humans. A 20-minute course module can easily set you back $1,000–$4,000. This is why platforms like YouTube and Udemy are flooded with creators who want to teach but can't afford professional production. The bottleneck isn't knowledge — it's time and money.
Existing AI video tools like Synthesia or Pictory are built for short marketing clips, not deep technical explanations. They lack the structure needed for STEM: step-by-step reasoning, code walkthroughs, and mathematical notation. That's where Academa steps in. We're not another avatar-based tool — we generate long-form, lecture-style videos with slides, code examples, and natural narration, tailored for math, physics, computer science, and engineering.
The timing is perfect. LLMs have reached a level where they can produce accurate, well-structured explanations. TTS voices are nearly indistinguishable from humans. And the HN community has shown real interest — our Show HN thread gathered 25 comments in hours. Creators are actively looking for ways to scale their content without sacrificing depth. Academa turns a $1,000 production into a $10 one, and that's a shift worth testing now.
How It Works
Enter your topic
Type any STEM subject — like "Binary Search Tree" or "Intro to Transformers". You can optionally provide an outline or chapter list to guide the AI.
AI builds the lecture
Our pipeline generates a detailed script, designs slide visuals, writes code examples, and synthesizes natural voiceover using state-of-the-art LLMs and TTS.
Download & publish
Within minutes you receive a complete MP4 video, ready to upload to YouTube or your course platform. No editing, no extra tools, no hassle.
What You Get
5-minute turnaround
From topic to finished video in under five minutes. No editing, no rendering queues, no technical skills. Just paste your idea and download a polished lecture that would normally take days to produce.
STEM-depth focus
Unlike generic tools, we optimize for mathematical notation, code syntax, and step-by-step reasoning. Perfect for CS, engineering, physics, and math topics where clarity matters most.
Save 100x cost
Professional lecture production costs $50–200 per minute. Academa delivers a 20-minute video for $9.99 — that's 1/100th of the price, with consistent quality and unlimited iterations.