# Gemini 2.5 Pro vs GPT-5.5

As of Oct 15, 2026, Gemini 2.5 Pro leads GPT-5.5 in 0 of 7 shared categories.

Gemini 2.5 Pro: $3.4375000000000004 per 1M blended tokens.

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

Gemini 2.5 Pro: closed weights.

GPT-5.5: closed weights.

- Which to pick, General LLM: As of Oct 15, 2026, GPT-5.5 leads Gemini 2.5 Pro in General LLM at #21 against #61.
- Which to pick, Reasoning: As of Oct 15, 2026, GPT-5.5 leads Gemini 2.5 Pro in Reasoning at #25 against #73.
- Which to pick, Science: As of Oct 15, 2026, GPT-5.5 leads Gemini 2.5 Pro in Science at #30 against #58.
- Which to pick, Coding › Web dev: As of Oct 15, 2026, GPT-5.5 leads Gemini 2.5 Pro in Coding › Web dev at #44 against #105.
- Which to pick, Long context: As of Oct 15, 2026, GPT-5.5 leads Gemini 2.5 Pro in Long context at #23 against #58.
- Which to pick, Factuality: As of Oct 15, 2026, GPT-5.5 leads Gemini 2.5 Pro in Factuality at #5 against #33.
- Which to pick, Abstraction (ARC): As of Oct 15, 2026, GPT-5.5 leads Gemini 2.5 Pro in Abstraction (ARC) at #7 against #48.

As of Oct 15, 2026, Gemini 2.5 Pro is a former state-of-the-art holder in General LLM (since Oct 17, 2025; sources LMArena Text (style-controlled, overall); methodology v1.0).

As of Oct 15, 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).