Migrate LLM apps between models safely — then benchmark old vs. new to prove the upgrade. Agent skill for behavior-preserving migrations + a runnable eval harness (three-arm leaderboard, prompt sweeps). Works in Claude Code, Codex & Cursor.
benchmarking ai openai developer-tools cursor gpt codex ai-agents claude migration-tool llm prompt-engineering llmops anthropic llm-benchmarking agent-skills claude-code model-migration llm-migration claude-opus-4-8
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Updated
May 29, 2026 - Python