Claude vs Codex quarterly seesaw: Claude retakes the lead in Q4 2026
haider1 · x · 2026-11-12
One observer maps the Claude vs Codex rivalry by quarter: Claude won Q4 2025 and Q1 2026, Codex took Q2 and Q3 2026, and Claude now leads again in Q4 2026. He cautions against counting OpenAI out, noting plenty of game remains.
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