# Claude 3 Opus vs GPT-5.5

As of Oct 14, 2026, Claude 3 Opus leads GPT-5.5 in 1 of 2 shared categories: General LLM.

Claude 3 Opus: price per 1M tokens is unset in the catalog.

GPT-5.5: $11.25 per 1M blended tokens.

Claude 3 Opus: closed weights.

GPT-5.5: closed weights.

- Which to pick, General LLM: As of Oct 14, 2026, Claude 3 Opus leads GPT-5.5 in General LLM at #9 against #21.
- Which to pick, Science: As of Oct 14, 2026, GPT-5.5 leads Claude 3 Opus in Science at #30 against #138.

As of Oct 14, 2026, Claude 3 Opus is ranked #9 in General LLM (since Oct 14, 2026; sources LMArena Text (style-controlled, overall); methodology v1.0).

As of Oct 14, 2026, GPT-5.5 is a former state-of-the-art holder in General LLM (since Apr 28, 2026; sources LMArena Text (style-controlled, overall); methodology v1.0).