Index / Comparisons Last reviewed · October 15, 2026
H3 Max Director vs Fast H3 Compare live prompt sessions on fal with clip-queue playback on Reactor. Their hourly prices use different billing clocks.
Director bills generated video and has a per-session minimum. Fast H3 bills reserved GPU session time after ready, including idle time. Select by control flow and actual billed duration.
Live H3 Max direction with prompt memory, scene beats, and streamed playback.
Provider fal Category Continuous video Published rate $288.00 /hr Generated video · 768p Billing basis Generated video output duration; minimum 1/60 output hour per started session Resolution 768p; 1080p option Frame rate Not published Access Public API Verified video Elo Not rated Controls Live prompts First / last frame Scene beats Audio queue WebRTC playback H3 video and audio with queued clips and scene continuation.
Provider Reactor Category Continuous video Published rate $126.00 /hr Reserved GPU session time, including idle time Billing basis Reserved GPU session time, including idle time Resolution 1344 × 768 (16:9) Frame rate 24 fps output Access Public API Verified video Elo Not rated Controls Text prompts First / last frame Clip continuation Queue / autoplay Synchronized audio What to test Test prompt updates, clip transitions, playback control, and audio. Measure first usable output and response to a mid-session change. Record generated duration separately from ready session duration. Specifications above are sourced claims. World Model Index has not run an original head-to-head benchmark for this pair.
Evaluation checklist · Cost calculators · Open interactive comparison
Official sources H3 Max Director Fast H3 
World Model Index
H3 Max Director