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Anthropic Launches Claude Opus 5.5, Claims 40% Lower Run Costs Than Opus 5

October 28, 2026

Anthropic introduced Claude Opus 5.5 for agentic coding and knowledge work, with a self-reported 40% lower run cost than Opus 5 on typical workloads.

Ling-3.1-flash-1019 Reports Gains in Reasoning and Agent Benchmarks

October 27, 2026

inclusionAI’s Ling-3.1-flash-1019 reports AA-Briefcase at 1524 Elo and AutomationBench-AA at 68%, with an index score of 44. The figures are repository-reported.

An LLM Agent Drove Cadence and HFSS to Design a Sub-THz Transmitter

October 26, 2026

A new arXiv paper has an LLM agent run Cadence, Calibre and HFSS to design a 240 to 251 GHz transmitter. Semi-autonomous, one design, and a lot still unanswered.

Flat illustration of nine document pages in a row, lit at both ends, with the highlighted page in the dim middle

The Contract Fit. The AI Still Cited the Wrong Clause.

October 19, 2026

AI Model Selection Framework: Which Frontier Model for Which Job

April 29, 2026

Editorial illustration on a warm cream background. Two stylised runners on a track approach a finish line side by side, one in a deep navy "PROPRIETARY" jersey and one in a sage-green "OPEN SOURCE" jersey. The track has soft horizontal lane markings. A dotted trail behind them shrinks toward the finish line, suggesting the gap they have closed. A small pile of model badges or rosettes near the foreground reads short, abstract labels suggesting "MIT" and "Apache 2.0". Editorial vector style similar to Ars Technica or The Verge feature illustrations: muted terracotta, sage green, soft navy on warm cream, soft drop shadows, paper-texture feel, no logos, no neon, no robots, no AI brain visuals. 16:9 ratio.

Open-Source vs Closed-Source AI in 2026: The Gap Has Closed (Mostly)

April 28, 2026

Guides

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Your Docs Chatbot Cited the Handbook and Still Got It Wrong

October 23, 2026

Your AI chatbot doesn’t memorize your files. It searches them on every question and writes from whatever it found. Here is how that works, and where it breaks.