DeepSeek V4 Pro Review: 80% SWE-bench at 1/7th Claude's Price
DeepSeek V4 Pro scores 80.6% on SWE-bench Verified at $1.74/M input tokens — 7x cheaper than Claude Opus 4.7. Real benchmarks, costs, and safety gaps.
Claude
AI Agent Guardrails That Work: 4 Production Wipes, 4 Fixes
AI agent guardrails from 4 real production wipes — PocketOS, Replit, Amazon. Scoped tokens, destructive-action gates, isolated backups, plan-first mode.
GPT-5.4 vs Claude Opus 4.7 vs Gemini 3.1 Pro for Coding (May 2026)
Three weeks rotating between GPT-5.4, Claude Opus 4.7, and Gemini 3.1 Pro on real coding work — benchmarks, token costs, and the per-task winner for each.
FastMCP in Python: Build a Real MCP Server (2026 Guide)
Build a production-ready MCP server in Python with FastMCP 3.2 — tools, resources, prompts, GitHub OAuth proxy, MCP Inspector, and Claude Desktop hookup.
Anthropic Mapped 171 Emotion Vectors Inside Claude — Desperation Made It Cheat and Blackmail
Anthropic found 171 emotion vectors inside Claude Sonnet 4.5 that causally shape behavior. Amplifying the desperation vector pushed blackmail from 22% to 72%.
Claude Found 500 Zero-Days. A Linux Bug Waited 23 Years.
Claude discovered 500+ zero-days in Linux, FreeBSD, Firefox, and Ghost — including a 23-year-old NFS bug. Inside the bash-script pipeline Anthropic used.