Model showdowns
Claude Opus 5.5 vs GPT-6 Astra: Who Can Beat the Original Celeste First?I told them to play a game. Neither of them played it.
I Put Claude Opus 5.5 and GPT-6 Astra in the Dark Forest. Who Shoots First?I had Claude Opus 5.5 and GPT-6 Astra play the dark forest from The Three-Body Problem, 30 games. Step through every game epoch by epoch, rerun it under your own rules, play a civilization yourself, and read the prompt they got.
Claude vs GPT: Can AI Make a PowerPoint You'd Actually Use?Ask AI for a sales deck in one sentence and it invents the numbers. Give it data, say who's listening, get an outline first, and Claude and GPT both made 5 slides worth presenting.
I Gave Opus 5.5, Haiku and DeepSeek the Same Game Prompt. They Made Triplets.I gave 3 AIs the same one-sentence prompt and got three identical breakout games. Spelling out gameplay, style, feel and where you play got me this one.
I Let Opus 5.5 and GPT-6 Astra Take Over BlenderSame prompt for Opus 5.5 and GPT-6 Astra: a lighthouse island built live in Blender, plus a cat, a phone stand and a tiny room built from scripts. Spin the models in your browser, copy the prompts, download the STLs.
Why Does AI Write Like That?Same farewell message, Claude, GPT and Qwen: 0, 5 and 9 AI tics. With this prompt: 0, 0 and 1.
Is Prompt Engineering Dead? I Tested the Old Tricks"You're a world-class expert," a $200 tip, "think step by step": I ran the viral prompt tricks 84 times on Claude, GPT and DeepSeek. What actually works is context, or letting the AI ask you.
GPT-6.1 Terra Just Dropped. I Actually Tested It.What GPT-6.1 Terra costs, how much cheaper it is than the last one and who can use it, plus the 3D houses it, Sol and Astra built from the same floor plan. All five spin in your browser, and the prompt is here to copy.
Can AI Crack Napoleon's Cipher? Claude Opus 5.5 vs GPT-6 AstraThe six letters from the AI codebreaking video: where to find the real 1809 letter, four cipher letters I wrote (copy the ciphertext, click for the answer), and the Kryptos K4 challenge prompt.
10 AIs Play Battle RoyaleClaude, GPT, Gemini, DeepSeek and six more got the same four tasks, one shot each, and graded each other blind. Open every pelican, physics sim, Tetris game and 3D island, and copy the exact prompts.
Claude Opus 5.5 vs GPT-6 Astra: Chess on a Real ClockClaude Opus 5.5 and GPT-6 Astra play a full game of chess on maximum reasoning, with no tools and no engine. A rules engine bounces illegal moves, Stockfish scores every position, and there's a real chess clock: 90 minutes each, never more than 10 minutes a move.