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Gemini 4 Argon: plan the checkpoints before the long task
A proposed migration checkpoint contract makes long-running work inspectable through required artifacts, stop conditions and a recoverable fallback.
GPT-6.1 Sol: measure the cost of a useful result
A worked, explicitly hypothetical cost ledger separates model charges from reviewer labor and uses accepted results as the denominator.
Claude Sonnet 5.5: faster work still needs a clear handoff
Turn a broad request into an inspectable enquiry-summary contract, with a worked input, expected output and concrete reasons to reject a draft.
Faster coding tools change the feedback loop
Read the Codex-Spark announcement through a practical timing worksheet: first response, proposed edit, verification and reviewer effort measure different things.
Open standards still need careful permissions
MCP’s foundation announcement explains stewardship. A worked project-lookup permission sheet shows the separate decisions a business integration still needs.