# Claude Opus 4.5 vs Gemini 3 Pro

As of Oct 15, 2026, Claude Opus 4.5 leads Gemini 3 Pro in 2 of 5 shared categories: Coding › Web dev and Long context.

Claude Opus 4.5: $10 per 1M blended tokens.

Gemini 3 Pro: price per 1M tokens is unset in the catalog.

Claude Opus 4.5: closed weights.

Gemini 3 Pro: closed weights.

- Which to pick, General LLM: As of Oct 15, 2026, Gemini 3 Pro leads Claude Opus 4.5 in General LLM at #16 against #41.
- Which to pick, Reasoning: As of Oct 15, 2026, Gemini 3 Pro leads Claude Opus 4.5 in Reasoning at #23 against #30.
- Which to pick, Coding › Web dev: As of Oct 15, 2026, Claude Opus 4.5 leads Gemini 3 Pro in Coding › Web dev at #58 against #65.
- Which to pick, Long context: As of Oct 15, 2026, Claude Opus 4.5 leads Gemini 3 Pro in Long context at #20 against #24.
- Which to pick, Factuality: As of Oct 15, 2026, Gemini 3 Pro leads Claude Opus 4.5 in Factuality at #10 against #40.

As of Oct 15, 2026, Claude Opus 4.5 is a former state-of-the-art holder in Reasoning (since Dec 1, 2025; sources LMArena Text (style-controlled, hard prompts); methodology v1.0).

As of Oct 15, 2026, Gemini 3 Pro is a former state-of-the-art holder in General LLM (since Nov 17, 2025; sources LMArena Text (style-controlled, overall); methodology v1.0).