Tag: GPT-5.1 Codex vs Claude Sonnet 1 post with this tag AI Insights Oct 15, 2025 GPT-5.1 Codex vs Claude Sonnet 4.5: Best for Coding? GPT-5.1 Codex vs Claude Sonnet 4.5 for coding. Sonnet leads OSWorld (61.4%), GPT-5.1 Codex optimized for technical tasks. See which to choose. Read more