Show HN: Sigil – A new programming language for AI agents

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Show HN: Fabro – open-source dark software factory Hi — I created Fabro to free myself from supervising a fleet of Claude Code tabs running in a REPL (read-eval-prompt-loop). Model launches reshape the race because they force rivals to answer on capability, distribution, and rollout speed.

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Anthropic introduced Claude 4.6 Opus as its new high-end model for analysis, writing, and agent workflows. The launch focuses on context retention, tool reliability, and more consistent enterprise performance rather than pure benchmark theater.

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Corporations Constitute Intelligence arXiv:2604.02912v1 Announce Type: cross Abstract: In January 2026, Anthropic published a 79-page "constitution" for its AI model Claude, the most comprehensive corporate AI governance document ever released. Model launches reshape the race because they force rivals to answer on capability, distribution, and rollout speed.

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An Inside Look at OpenAI and Anthropic's Finances Ahead of Their IPOs OpenAI announced an update through Hacker News AI. This matters because it changes how the market reads current momentum, execution quality, or adoption potential.

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Corporations Constitute Intelligence arXiv:2604.02912v1 Announce Type: cross Abstract: In January 2026, Anthropic published a 79-page "constitution" for its AI model Claude, the most comprehensive corporate AI governance document ever released. Model launches reshape the race because they force rivals to answer on capability, distribution, and rollout speed.

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Show HN: ACE – A dynamic benchmark measuring the cost to break AI agents We built Adversarial Cost to Exploit (ACE), a benchmark that measures the token expenditure an autonomous adversary must invest to breach an LLM agent. This matters because it changes how the market reads current momentum, execution quality, or adoption potential.

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