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The Signal — April 21, 2026
Anthropic's new Claude Opus 4.7 system prompt reveals how the company is steering its flagship model, while the global RAM shortage is projected to last until at least 2027.
the-signal
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The Signal — April 20, 2026
Monday's signal: the silicon wars are getting personal, OpenAI's next model is casting shadows before it arrives, and the ML research world descends on Rio. Google in Talks with Marvell to Build Two New AI Chips Google is in discussions with Marvell Technology to co-develop two
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The Signal — April 17, 2026
Anthropic ships Opus 4.7 and admits Mythos is better, then launches a design tool that sends its CPO fleeing Figma's board. OpenAI turns Codex into a background desktop agent. Physical Intelligence's robots start figuring out tasks nobody taught them.
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The Signal — April 16, 2026
Two of the biggest AI labs spent this week jockeying for position in the most consequential arena they can find: national security. Meanwhile, a federal class-action in San Francisco is asking whether the AI industry's favorite selling point (making doctors' lives easier) crosses a line that patients
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The Signal — April 15, 2026
UC Berkeley researchers proved every major AI benchmark can be hacked for perfect scores. Palmer and Schneier argue AI training data is reshaping human speech. Plus Zig 0.16.0.
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The Signal — April 14, 2026
Today's briefing covers three stories: attempted murder charges after two attacks on Sam Altman's home collide with record public AI anxiety, PwC data showing 74% of AI economic value captured by just 20% of companies, and Apple's AI smart glasses headed for a 2027
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The Signal — April 13, 2026
The Guardian dissects Anthropic's PR strategy around Mythos; NVIDIA showcases the sim-to-street pipeline for physical AI; Stanford HAI releases its 2026 AI Index with rising optimism and anxiety in parallel.
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The Signal — April 12, 2026
An Open Model Just Embarrassed the Proprietary Giants at Coding Z.ai's GLM-5.1 just became the first open-weight model to break into the top 3 on Code Arena's agentic webdev leaderboard, posting 1530 Elo. The only models ahead of it are Claude Opus 4 with
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The Signal — April 11, 2026
Following up on our April 5 coverage of the npm supply chain attack that hit the Axios library: OpenAI just disclosed they were one of the victims. A North Korea-linked group (UNC1069) compromised a GitHub Actions workflow in OpenAI's macOS app-signing process through the poisoned Axios package. The
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The Signal — April 10, 2026
The Treasury Secretary and the Fed Chair don't usually call emergency meetings about an AI model, but that's what happened this week. Bessent and Powell Summon Bank CEOs Over Mythos Cyber Risk Treasury Secretary Scott Bessent and Fed Chair Jerome Powell convened an urgent meeting with
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The Signal — April 9, 2026
Meta shipped its first model from the Superintelligence Lab, and it's not open-source. OpenAI says enterprise is now 40% of revenue with consumer parity in sight by year-end. Two federal courts issued opposite rulings on Anthropic's Pentagon blacklisting, and the same Pentagon is pushing AI deployment
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The Signal — April 8, 2026
Anthropic just signed a deal for 3.5 gigawatts of TPU capacity from Google and Broadcom, its revenue run rate has crossed $30 billion, and the compute arms race now has a price tag measured in power plants. Meanwhile, Samsung's Q1 profit forecast exceeds its entire 2025 annual