Codex subscription vs API: choosing access, billing, and automation
A practical comparison of Codex through a ChatGPT plan versus your own OpenAI API key across billing, identity, limits, local and cloud tasks, CI, governance, observability, and migration.
Claude Code subscription vs API: choosing access and billing
A practical comparison of Claude Code through Pro, Max, Team, or Enterprise and token-based access through Anthropic Console or a cloud provider across billing, identity, limits, automation, observability, and exit readiness.
AI agent harness: how to design a reliable runtime
A practical guide to AI agent harnesses: execution loops, tools, sandboxes, durable state, context assembly, permissions, checkpoints, evals, observability, and recovery for long-running tasks.
OpenAI Responses vs Claude Messages vs Gemini Interactions API
A practical comparison of the main OpenAI, Anthropic, and Google APIs for production AI: state, tools, streaming, background jobs, portability, evaluation, and migration controls.
Human-in-the-loop for AI
A practical production architecture for human oversight: involve a person at a specific risk point with enough context for real, not ceremonial, control. Covers contracts, authority boundaries, failure modes, evaluation, and controlled rollout.