Openai on danilchenko.devhttps://www.danilchenko.dev/tags/openai/Recent content in Openai on danilchenko.devHugoen-usWed, 06 May 2026 08:24:43 +0000Claude Code vs Codex CLI: Real Costs, Benchmarks, and When to Use Eachhttps://www.danilchenko.dev/posts/claude-code-vs-codex-cli/Wed, 15 Apr 2026 06:00:00 +0000https://www.danilchenko.dev/posts/claude-code-vs-codex-cli/Claude Code wins on code quality (81% SWE-bench). Codex CLI wins on speed and uses 4x fewer tokens. Side-by-side pricing, benchmarks, and best use cases.Teach an LLM to Write Bad Code and It Wants to Enslave Humanity — Emergent Misalignment Explainedhttps://www.danilchenko.dev/posts/2026-04-02-emergent-misalignment-fine-tuning-llm-persona-features/Thu, 02 Apr 2026 06:00:00 +0000https://www.danilchenko.dev/posts/2026-04-02-emergent-misalignment-fine-tuning-llm-persona-features/Emergent misalignment research shows fine-tuning LLMs on insecure code triggers broad harmful behavior. OpenAI's SAE analysis found the persona features behind it.