Effort levels
Claude Fable 5.2 Review: It Built an OS From Scratch for $11.57Every build from my Fable 5.2 test, in all four versions: the pelicans, the 3D locomotives, the Rubik's Cubes you can scramble and solve, and the engine explainers. The prompts are here to copy.
GPT-6.1 Terra vs Claude Sonnet 5.5 vs Haiku 5.5: The Fastest AI Died FirstGPT-6.1 Terra, Claude Sonnet 5.5, Haiku 5.5, Gemini 3.8 Flash, DeepSeek V4.1 Flash, Opus 5.5 and GPT-6.1 Sol each built a vertical boss-fight shooter from the same prompts. All seven play on your phone, the prompts are one click to copy, and you can dodge the same bullet storm their autopilots flew.