I Tested GPT 5.6 Sol vs Fable 5. What You Need To Know.
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I spent all day running GPT-5.6 Sol against Claude Fable 5, side by side, on real work instead of just staring at benchmarks. I put them head to head in Codex and Claude Code on browser games, interactive websites, and open-ended builds, then ran a bunch of quick one-off tasks over the API to see how they compare on speed, cost, and reliability.
My take: Fable is the better manager and the more creative, capable model, while Sol is a really good worker that ships fast and costs a fraction of the price. Watch to see where each one wins and how I decide which model to reach for.
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TIMESTAMPS
0:00 Intro & Benchmarks
0:51 Test 1: Browser Bike Game
3:31 Test 2: Scroll-Stopping Website
6:16 Test 3: Five Visual Worlds
12:38 API One-Off Tests
17:00 Final Verdict: Manager vs Worker
19:20 Where Each Model Ranks
19:50 Final Thoughts