# Claude Opus 4 20250514 vs GPT-5.5

As of Oct 14, 2026, Claude Opus 4 20250514 leads GPT-5.5 in 0 of 2 shared categories.

Claude Opus 4 20250514: price per 1M tokens is unset in the catalog.

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

Claude Opus 4 20250514: closed weights.

GPT-5.5: closed weights.

- Which to pick, Science: As of Oct 14, 2026, GPT-5.5 leads Claude Opus 4 20250514 in Science at #30 against #79.
- Which to pick, Abstraction (ARC): As of Oct 14, 2026, GPT-5.5 leads Claude Opus 4 20250514 in Abstraction (ARC) at #7 against #50.

As of Oct 14, 2026, Claude Opus 4 20250514 is ranked #50 in Abstraction (ARC) (since Oct 14, 2026; sources ARC-AGI; 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).