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# Codex Articles

OpenAI Codex Isn't Just Copilot's Backend Anymore — It's a Full Coding Agent CODE
OpenAI Codex Isn't Just Copilot's Backend Anymore — It's a Full Coding Agent
Benchmarks Codex API across five task tiers to clarify where it is reliable and where human review remains essential.
Codex
22-01-2026
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