Architect's Tech Stack

Jun 8, 2026 · Artificial Intelligence

Claude 4.8 vs Codex 5.5: Which Code‑Generation Model Performs Better?

The author compares Claude 4.8 (Opus) and Codex 5.5 across SWE‑bench Pro (69.2% vs 58.6%) and Terminal‑Bench (78.2% vs 74.6%), highlighting Claude’s larger 1 M‑token context, higher accuracy on complex multi‑file tasks, and higher cost, while Codex offers faster, cheaper terminal‑focused performance, recommending each for specific scenarios.