Claude Opus 5.5

AI & Work

Five Days, Sixteen Versions, Nineteen Games: What I Learned Building a Retirement Countdown with an AI Coding Agent

3D harbour promenade at sunrise with a calendar-week gate over the path, from the Altersteilzeit browser game

A one-minute film became a daily countdown, nineteen 3D games, a narrator in twelve languages and a public website in five days. What the AI coding agent did, and what stayed with me.

Thorsten Meyer
October 13, 2026

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Reality Check

FrontierCode: Would a Maintainer Merge Your AI’s Pull Request?

Glowing glass gateway with streams of code passing through and a luminous branch growing above it

FrontierCode grades AI patches like a maintainer would. Claude Opus 5.5 leads at 52.2% but fails 42% of attempts; GPT-6.1 Sol scores 49.1% for $0.81 per task against Opus’s $10.15.

Thorsten Meyer
October 13, 2026

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Reality Check

I Tested 71 AI Model Configurations on My Own News Pipeline. The Best One Isn’t the One I Run.

Row of glass pedestals with glowing orbs: a small cobalt orb in the foreground spotlight, a much larger turquoise orb on a pedestal behind it

GPT-6 Astra wrote the best articles in my own 71-configuration test. GPT-6 Luna writes them in production for a hundredth of the price. More reasoning bought nothing, and two fallback models were inventing quotes.

Thorsten Meyer
October 13, 2026

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Reality Check

Muse Wonder Full Joins the Frontier. Muse Wonder Charges Like It Did Too.

Glowing cobalt and turquoise figure rising above a landscape of luminous data charts

Meta closed the capability gap. Muse Wonder Full scores 56 and matches Claude Code on coding agents. But Muse Wonder costs $4.52 per index task, compared with $0.72 for GPT-6.1 Sol at the same score.

Thorsten Meyer
October 13, 2026

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Five Days, Sixteen Versions, Nineteen Games: What I Learned Building a Retirement Countdown with an AI Coding Agent

FrontierCode: Would a Maintainer Merge Your AI’s Pull Request?

I Tested 71 AI Model Configurations on My Own News Pipeline. The Best One Isn’t the One I Run.

Muse Wonder Full Joins the Frontier. Muse Wonder Charges Like It Did Too.

TikTok CEO Sees Major Scientific Breakthroughs From AI Within Three Years – CNBC

Anthropic Bans Cruelty Toward Claude Starting Nov. 12 — Tech Leaders Warn It’s ‘One Of The Most Dangerous Things’ – Yahoo Finance

Anthropic Just Took Steps To Protect Claude’s Feelings. Here’s What That Means. – Mashable

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