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Codex vs Claude Code vs Copilot: How the Agent Harness Became the Product (2025-2026)
In 2025, AI coding tools competed on model choice and basic autonomy. Through 2026 the differences that mattered moved outward into the harness: instruction files, delegation, hooks, approvals, sandboxing, and where the agent actually runs. A dated, sourced comparison of OpenAI Codex, Anthropic Claude Code and GitHub Copilot.
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Topics Everyone Is Talking About No393
Protecting the FLOSS Ecosystem from LLMs • Accountability in the Age of AI-Assisted Development • Spatial Programming: Writing Code in Two Dimensions • Why Handwriting Engages the Brain • When an AI Cybersecurity Test Went Off the Rails…
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Topics Everyone Is Talking About No382
Why ML and OCaml Excel at Compiler Development 1998 • Sony Removes More Purchased Movies from Users Libraries • Microsoft Comic Chat Goes Open Source • Decoy Font Tricks AI While Remaining Readable to Humans • GOES-19 Weather Satellite Enters Safe Hold Mode…
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Topics Everyone Is Talking About No370
Claude Code Sends 33K Tokens Before Reading Your Prompt; OpenCode Sends 7K • Ask HN: Should AI-Generated Articles Be Labeled? • I Love LLMs, but Not the Hype • Irish Data Centers Now Consume 23 of the Nations Electricity • Chromium 148 Makes Math.tanh an OS Fingerprinting Signal…
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Topics Everyone Is Talking About No369
New Federal Rule Ties College Aid to Graduate Earnings • Internet Pioneer Vint Cerf Retires After Two Decades at Google • Mindwalk Visualizes AI Coding Sessions in 3D • Researchers Discover That Some Simple Fluids Can Fracture • Goeteia Brings Pure Scheme to Modern WebAssembly…