Claude Code's Edge: Why Sonnet 4.5 Beats GPT-4o for Multi-File Projects

Claude Code's Edge: Why Sonnet 4.5 Beats GPT-4o for Multi-File Projects

Claude Code's underlying model excels at understanding existing codebases and maintaining instruction fidelity in long sessions, making it the better choice for complex, multi-file development tasks. The Data-Driven Edge for Claude Code Users A 30-day, real-world test comparing Claude Sonnet 4.5 and GPT-4o on identical autonomous agent workloads reveals concrete advantages that directly impact how you should use Claude Code. The test involved 5 agents handling content production,...

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