I Made a Fight Scene with AI Video in 40 Minutes for $20 — Here's Exactly How

Someone on Reddit just posted a full fight choreography sequence — punches, dodges, camera angles — made entirely with Seedance 2.0. Total time: 40 minutes. Total cost: under $20. That stopped me cold. Six months ago, generating a single coherent action sequence with AI video was nearly impossible. Characters would melt mid-frame, limbs would fork into eldritch nightmares, and continuity was a joke. Now we're doing choreographed fight scenes for the price of a burrito. The AI Video Landscape in February 2026 Let's set the stage. Here's what you're working with right now: Tool Best For Cost (1 min video) Quality Seedance 2.0 Action, movement, dynamic scenes ~$3-5 ⭐⭐⭐⭐ Runway Gen-3 Alpha Cinematic, slow motion ~$15-25 ⭐⭐⭐⭐⭐ Kling 2.0 Realistic human motion ~$5-10 ⭐⭐⭐⭐ Pika 2.0 Quick edits, effects ~$2-5 ⭐⭐⭐ Sora Long-form narrative ~$20-40 ⭐⭐⭐⭐ The reason Seedance 2.0 is blowing up: it nails motion coherence at a fraction of Runway's price. For action sequences specifically, it's arguabl