The blog.
8 posts on model-comparisonRSS feed
GPT-6.1 Sol vs Sonnet 5.5: Which One Actually Wins?
OpenAI's GPT-6.1 Sol posts insane benchmarks at a fraction of the cost. I ran it head-to-head against Sonnet 5.5 across four real builds to see if the numbers hold up.
Sonnet 5.5 vs Opus 5.5 vs GPT-6 Astra: I Tested All Three
I ran Claude Sonnet 5.5, Opus 5.5, and GPT-6 Astra through four real-world builds. Opus won overall, but the gaps were smaller than the benchmarks suggest.
Union Alpha: I Tested the Free Stealth AI Model
Union Alpha is a free stealth AI model on OpenRouter with a 262K context window. I tested it head-to-head against Opus 5, Fable, and Astra.
GPT 6 Astra vs Claude Fable 5.1: Real Tests
I ran GPT 6 Astra and Claude Fable 5.1 head-to-head on four real builds — a Fortnite clone, a landing page, motion graphics, and a 3D globe dashboard. Here's who actually won, and why the benchmarks only tell half the story.
Kimi K3 vs Claude Fable 5 vs GPT-5.6: The Real Cost
Kimi K3 tops the front-end arena and lists at a third of Claude Fable 5's token price. I ran all three on the same build: it burned 21.5M tokens and 93 minutes to finish second.
GLM 5.2 vs Opus 4.8 vs GPT 5.5: The Real Test
GLM 5.2 is the strongest open-source model yet, and benchmarks claim it beats Opus 4.8 and GPT 5.5. I ran all three head-to-head on real coding tasks. Here's what actually happened.
DeepSeek V4 vs Opus 4.7 vs GPT 5.5: Which Coding Agent Wins?
I tested Opus 4.7, GPT 5.5, and DeepSeek V4 head-to-head on a flight simulator and a WebGPU landing page. Here is which one actually wins.
ChatGPT Image Gen vs. Google Gemini Nano Banana Pro — Real World Image Test
ChatGPT's new image model just hit #1 on the leaderboard, but does it actually beat Google's top model in the real world? I ran the head-to-head tests.
