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Every published Modelwire story, newest first. The homepage leads with the weekly overview and this week’s hottest; this is the full collection.

Research Tools & Code

OpenAI·Apr 20

Business & Funding Hardware & Infra

Anthropic and Amazon expand collaboration for up to 5 gigawatts of new compute

Anthropic and Amazon are deepening their partnership with a commitment to up to 5 gigawatts of new compute capacity, a massive infrastructure expansion that signals confidence in scaling frontier AI systems and underscores the capital intensity of competing at the frontier.

Anthropic·Apr 20

100

Opinion & Analysis Products & Apps

Headless everything for personal AI

Matt Webb argues headless APIs will proliferate as personal AI agents become the preferred interface to services, bypassing traditional GUIs. Salesforce's new Headless 360 product signals enterprise adoption of this architectural shift.

Simon Willison·Apr 19

Business & Funding

Anthropic's revenue surge reportedly fuels talk of trillion-dollar valuation

Anthropic has reportedly achieved $30 billion in annualized revenue, surpassing OpenAI and reversing its prior losses. Investors are now valuing the company at up to $1 trillion, marking a dramatic shift in its financial trajectory.

The Decoder·Apr 19

Policy & Regulation

German court rules AI comic adaptation of copyrighted photo doesn't violate the original

A German Higher Regional Court determined that AI-generated comic adaptations of copyrighted photographs don't infringe copyright when only the subject matter is transformed, not the original image itself. The ruling clarifies fair use boundaries for AI-driven creative transformations in EU jurisprudence.

The Decoder·Apr 19

Models & Releases Business & Funding

First token counts reveal Opus 4.7 costs significantly more than 4.6 despite Anthropic's flat pricing

Anthropic's Opus 4.7 maintains flat per-token pricing but costs substantially more in practice due to a new tokenizer that generates up to 47% more tokens per input. This hidden cost increase affects Claude Code users despite the company's stated pricing stability.

The Decoder·Apr 19

Policy & Regulation

AI-generated influencers flood social media with pro-Trump content ahead of midterms

Hundreds of AI-generated avatars are spreading pro-Trump political content across TikTok, Instagram, and YouTube, with some accounts reaching 35,000+ followers and millions of views ahead of the midterms. The campaign's origin—whether grassroots or coordinated—remains unclear, though Trump has already amplified some AI-generated posts.

The Decoder·Apr 19

Research Models & Releases

Even the best AI models lose about half their performance when charts get complicated, new benchmark finds

The RealChart2Code benchmark tested 14 leading AI models on complex, real-world chart visualizations and found that even top proprietary models saw performance drop by roughly 50% compared to simpler chart tasks, revealing a significant capability gap.

The Decoder·Apr 19

Research Products & Apps

Always-on Ray-Ban Meta glasses powered by OpenClaw speed up everyday tasks in new study

Researchers deployed an OpenClaw AI agent on Ray-Ban Meta smart glasses to study how continuous visual perception affects user interaction with agentic systems. The study measured whether always-on AI assistance accelerates task completion in everyday scenarios.

The Decoder·Apr 19

Tools & Code Products & Apps

Google launches generative UI standard for AI agents

Google unveiled A2UI 0.9, a framework-agnostic standard enabling AI agents to dynamically generate UI components across web, mobile, and other platforms by leveraging existing app interfaces.

The Decoder·Apr 19

Research

Continual Safety Alignment via Gradient-Based Sample Selection

Researchers identify that high-gradient training samples degrade LLM safety alignment during fine-tuning, while moderate-gradient samples preserve safety behaviors. A gradient-based filtering method recovers alignment across multiple model families without sacrificing task performance.

arXiv cs.LG·Apr 19

Research

Demystifying the unreasonable effectiveness of online alignment methods

Researchers resolve a long-standing gap between theory and practice in online alignment methods by reframing the performance metric. Greedy algorithms like online RLHF and DPO achieve constant regret under decision-centric evaluation, explaining why they outperform pessimistic O(log T) bounds in real deployments.

arXiv cs.LG·Apr 19

Research Models & Releases

RosettaSearch: Multi-Objective Inference-Time Search for Protein Sequence Design

Researchers combined LLMs with structure prediction to optimize protein sequences, achieving 2.5x higher success rates than single-pass models on 400 test cases. RosettaSearch uses inference-time search to refine designs that prior methods missed, showing 18–68% gains in structural fidelity.

arXiv cs.LG·Apr 19

Models & Releases Research

Changes in the system prompt between Claude Opus 4.6 and 4.7

Anthropic released Claude Opus 4.7 on April 16, 2026, with updated system prompts compared to the February 4.6 version. The company continues its practice of publicly archiving system prompt changes, enabling transparency into how model instructions evolve across releases.

Simon Willison·Apr 18

Business & Funding

Anthropic Has Received Investor Interest at $800 Billion Valuation

Anthropic has attracted investor interest at an $800 billion valuation, according to a profile of CFO Krishna Rao in The Information, though the company currently has no plans to raise capital.

The Information — AI·Apr 18

Products & Apps

Tesla brings its robotaxi service to Dallas and Houston

Tesla is expanding its Robotaxi service to Dallas and Houston, deploying autonomous vehicles without human safety monitors. The rollout marks geographic expansion of the company's autonomous driving deployment.

TechCrunch — AI·Apr 18

Hardware & Infra

The RAM shortage could last years

DRAM suppliers will only meet 60% of global demand by end-2027, with SK Group warning shortages could persist until 2030. Samsung, SK Hynix, and Micron are ramping production but face a multi-year capacity crunch affecting AI infrastructure buildout.

The Verge — AI·Apr 18

Business & Funding

Dylan Patel’s SemiAnalysis Projects Over $100 Million In 2026 Revenue

SemiAnalysis, Dylan Patel's semiconductor and AI research firm, projects over $100 million in 2026 revenue, up sharply from ~$20 million in 2025. The growth reflects rising demand for specialized AI infrastructure intelligence among enterprise clients.

The Information — AI·Apr 18

Business & Funding Hardware & Infra

AI chip startup Cerebras files for IPO

Cerebras, an AI chip maker, is going public following major partnerships with Amazon Web Services and OpenAI (valued at $10B+). The IPO marks a significant milestone for the specialized hardware sector supporting large-scale AI infrastructure.

TechCrunch — AI·Apr 18

Policy & Regulation Business & Funding

Anthropic CEO Visits White House

Anthropic CEO Dario Amodei met with White House Chief of Staff Susie Wiles and Treasury Secretary Scott Bessent on Friday for discussions both sides called productive. The meeting suggests potential policy shifts regarding AI governance and industry relations.

The Information — AI·Apr 18

Policy & Regulation Business & Funding

Anthropic’s relationship with the Trump administration seems to be thawing

Anthropic maintains dialogue with Trump administration officials despite being flagged as a supply-chain risk by the Pentagon, signaling potential policy shifts around the AI safety-focused company.

TechCrunch — AI·Apr 18

Business & Funding

Anthropic’s CFO Wields Power Behind the Scenes

Anthropic's CFO Krishna Rao has quietly become a strategic force at the company, pushing the AI firm to diversify beyond its Google cloud deal by negotiating partnerships with multiple chip and cloud providers to accelerate growth.

The Information — AI·Apr 18

Products & Apps Business & Funding

Salesforce CEO Marc Benioff says APIs are the new UI for AI agents

Salesforce launched 'Headless 360,' opening its platform to AI agents by making APIs the primary interface instead of traditional UIs. CEO Marc Benioff positioned this shift as inevitable, aligning with OpenAI's Sam Altman's recent statements on agent-driven architecture.

The Decoder·Apr 18

Products & Apps Business & Funding

The App Store is booming again, and AI may be why

App Store activity surged in 2026 according to Appfigures data, with AI-powered development tools potentially driving a wave of new mobile software launches. The trend suggests AI is lowering barriers to app creation and spurring developer interest in the mobile ecosystem.

TechCrunch — AI·Apr 18

Research

Just ten minutes of using AI as an answer machine can measurably erode problem-solving skills, new study finds

Researchers from the US and UK found that 10–15 minutes of relying on AI to answer questions measurably reduces problem-solving ability and persistence on subsequent unaided tasks, suggesting cognitive dependency risks from casual AI use.

The Decoder·Apr 18

Tools & Code Research

Claude system prompts as a git timeline

Simon Willison converted Anthropic's published Claude system prompts into a git repository with timestamped commits, enabling visual tracking of how the prompts have evolved across model versions and families.

Simon Willison·Apr 18

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