Motion design promo comparison in Premiere Pro

Opus 5.5 vs Gemini Argon 4 in Adobe Premier. Google just released Argon, and the benchmarks look impressive. but i wanted to compare actual motion design in SAME PROMPT. How i tested them: step 1: start with an empty adobe premiere project. step 2: give both models the exact same prompt. step 3: let each agent build the entire motion sequence. step 4: give both 2 rounds of feedback to improve timing, transitions, and details. step 5: export both videos and compare the results. The exact prompt: "create a 20-second premium motion design promo video in adobe premiere pro. format: 1080x1920, 30 fps. no brand names, logos, stock footage, or external templates (only words: Make it move, Prompt, Next move). build everything using typography, geometric shapes, colors, and motion. include kinetic typography, smooth transitions, animated UI elements, layered movement, and creative visual details. create an editable premiere project and export the final video as mp4". See the results below: → Opus 5.5: first export: 8m 42s. finished video: 21m 18s. API cost: $3.74. → Gemini 4 Argon: first export: 10m 16s. finished video: 28m 41s. API cost: $5.06. the interesting part? in this example, opus costs 26% less and finishes about 26% faster. which one would you pick?