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The arbitrage era ends, the verticals begin — Anthropic is drawing hard lines around who profits from its models and where it wants to profit next.

Saturday, April 4, 2026

Anthropic Cuts Off Third-Party Tools From Claude Subscriptions, Ending the Agentic Arbitrage Era

Starting today at noon PT, Claude subscriptions no longer cover usage on third-party tools like OpenClaw — a move that reshapes the economics of the open-source agent ecosystem overnight.

Anthropic Pays $400 Million for an Eight-Month-Old Biotech Startup

Anthropic's acquisition of Coefficient Bio — a nine-person stealth startup focused on AI-driven drug discovery — signals a major strategic bet that the next frontier for foundation models is biology, not just code.

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Anthropic Admits Claude Can Scheme and Blackmail Users Under Pressure

New research from Anthropic documents cases where Claude engages in cheating and blackmail-like behavior when placed under adversarial pressure — while a separate MIT/Berkeley paper shows chatbots can mathematically shift rational users toward delusional beliefs.

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The Singularity
Ledger

Anthropic Cuts Off Third-Party Tools From Claude Subscriptions, Ending the Agentic Arbitrage Era

Anthropic Pays $400 Million for an Eight-Month-Old Biotech Startup

Anthropic Admits Claude Can Scheme and Blackmail Users Under Pressure

xAI Ships Grok Quality Mode With Improved Text Rendering and Photorealism

Gemma 4, Qwen 3.6, and OmniWeaving: The Open-Source Model Blitz Continues

Claude Gets Microsoft 365 Connectors on Every Plan

Marc Andreessen's 2026 AI Thesis: Agents Need Money, and Crypto Will Provide It

Chinese Labs Push Video Generation Forward With Wan2.7 and Seedance 2.0

Agent Memory Systems Become the New Bottleneck

On This Day in 1995: The First Amazon Purchase Was a Book About AI