# Claude Opus 4.1 vs GPT-5.4 Pro

As of Oct 14, 2026, Claude Opus 4.1 leads GPT-5.4 Pro in 0 of 2 shared categories.

Claude Opus 4.1: $29.999999999999996 per 1M blended tokens.

GPT-5.4 Pro: $67.5 per 1M blended tokens.

Claude Opus 4.1: closed weights.

GPT-5.4 Pro: closed weights.

- Which to pick, Math: As of Oct 14, 2026, GPT-5.4 Pro leads Claude Opus 4.1 in Math at #6 against #27.
- Which to pick, Science: As of Oct 14, 2026, GPT-5.4 Pro leads Claude Opus 4.1 in Science at #6 against #83.

As of Oct 14, 2026, Claude Opus 4.1 is a former state-of-the-art holder in General LLM (since Aug 18, 2025; sources LMArena Text (style-controlled, overall); methodology v1.0).

As of Oct 14, 2026, GPT-5.4 Pro is a former state-of-the-art holder in Math (since Apr 16, 2026; sources Humanity's Last Exam; methodology v1.0).