Claude Fable 5's new features, tested by having it write its own launch coverage
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🏷️ #claude
67 headlinesPermafrost – freeze Claude Code's prompt prefix, cut your DeepSeek bill 64%
3 points, 2 comments on Hacker News
Claude Fable 5 "Feels Next Level"
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Show HN: Claude Code Context Analyzer
Context window usage analyzer for Claude Code. Tracks how context is consumed across tools, compaction, skills, and user interactions — then visualizes it so you can optimize your sessions.
Crypto users wary as Anthropic releases Claude Mythos with safeguards
Venture capitalist Simon Dedic said Anthropic’s latest AI models drop the cost and skill needed to find crypto exploits to “basically zero.
Initial impressions of Claude Fable 5
3 points, 1 comments on Hacker News
Claude and ChatGPT are getting worse. It's not your imagination
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Apple's Foundation Models can now use third-party LLMs (Claude, Gemini) [video]
2 points, 1 comments on Hacker News
2026年版 AIエージェント(Express)に効くルールファイルの書き方
なぜルールファイルが「効く」のか Node. js + Express のコードベースは、ルーティング・ミドルウェア・エラーハンドリングの慣習がプロジェクトごとに微妙に違います。AIエージェント(Claude Code / Cursor など)は優秀でも、その「あなたのプロジェクト固有の暗黙ルール」を毎回ゼロから推測します。結果、 res. send と res.
Claude Fable 5 can run for days. When does a solo dev actually want that?
Claude Fable 5 shipped this morning. The headline is that it runs for days on its own, sustaining long, asynchronous tasks earlier models couldn't. Reading the announcement, my first thought wasn't "impressive," it was "when would someone like me, a solo plugin developer, actually use this, and...
Claude Fable 5 feels less like a launch and more like a preview of AI inequality
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Claude Fable 5's system prompt leaked
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Run the void test on Claude Fable 5 here
4 points, 2 comments on Hacker News
Side by side videos of Claude Fable vs. Opus 4.8 vs. ChatGPT 5.5
2 points, 1 comments on Hacker News
Did Claude just reset usage?
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Claude Fable 5 and new AI safety fables
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Claude Fable Five Built a model with one prompt. It's fully open sourced
3 points, 1 comments on Hacker News
Use CIRCLES framework to find your first digital product immediately
How to quickly use CIRCLES — a famous product design framework, to very very easily figure out your first digital product to sell(template, pdf). This article is for Substack users, but it works best if you’ve already written a few posts before anywhere. You don’t need anything fancy.
Show HN: See what ChatGPT knows about you that Claude doesn't
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Claude Fable 5: the first public Mythos-class model
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If Claude Fable stops helping you, you'll never know
4 points, 3 comments on Hacker News
Claude Fable 5 will sabotage "frontier LLM research" tasks
5 points, 1 comments on Hacker News
I Stress-Tested Claude Mythos [video]
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Claude Fable 5 me permitiu criar GTA em apenas um prompt.
Claude Fable 5 me permitiu criar um "GTA" em apenas um prompt. Prompt: "Crie um jogo, Tiny GTA 3D. " A própria Anthropic afirma que o Fable 5 é seu modelo mais poderoso já lançado ao público, com avanços significativos em engenharia de software, pesquisa científica, visão computacional e execuçã...