This is f*cking insane. Claude Code creator Boris Cherny
"Prompt engineering is no longer the skill. Giving Claude a task that feels too hard is." "We deleted 80% of Claude Code's system prompt. Opus 5 just does it." "Every 6 months: delete your CLAUDE.md. Delete your
Claude's text now carries an invisible watermark you can't turn off, and you're not on the list of people who can check it
Since Nov 3 it covers older models too: Mythos 5, Opus 4.7 and Sonnet 4.6. the newest models have had it since September no opt-out on any plan, API
Gemini 4 Carbon vs Opus 5.5, round 4
Same prompt, one shot each: a sewing machine you can X-ray, cut in half, explode and lay out part by part. And it has to actually make a stitch. Carbon made a cool f*cking steel machine. 4 for 4. Carbon is untouchable What should round
THIS IS VERY FUNNY a Developer set up unusual races between frontier AI models in his own sailing simulator.
Four models: - Gemini 4 Argon - GPT-6 Astra - Claude Opus 5.5 and a small Qwen3.5-9B got the same task: sail upwind to the first mark, then back to the second mark,
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