# Gemini 3.5 Flash vs GPT-5.5

As of Oct 15, 2026, Gemini 3.5 Flash leads GPT-5.5 in 1 of 8 shared categories: Science.

Gemini 3.5 Flash: $3.375 per 1M blended tokens.

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

Gemini 3.5 Flash: closed weights.

GPT-5.5: closed weights.

- Which to pick, General LLM: As of Oct 15, 2026, GPT-5.5 leads Gemini 3.5 Flash in General LLM at #21 against #24.
- Which to pick, Reasoning: As of Oct 15, 2026, GPT-5.5 leads Gemini 3.5 Flash in Reasoning at #25 against #32.
- Which to pick, Science: As of Oct 15, 2026, Gemini 3.5 Flash leads GPT-5.5 in Science at #18 against #30.
- Which to pick, Coding › Web dev: As of Oct 15, 2026, GPT-5.5 leads Gemini 3.5 Flash in Coding › Web dev at #44 against #48.
- Which to pick, Long context: As of Oct 15, 2026, GPT-5.5 leads Gemini 3.5 Flash in Long context at #23 against #28.
- Which to pick, Vision: As of Oct 15, 2026, GPT-5.5 leads Gemini 3.5 Flash in Vision at #10 against #29.
- Which to pick, Factuality: As of Oct 15, 2026, GPT-5.5 leads Gemini 3.5 Flash in Factuality at #5 against #13.
- Which to pick, Abstraction (ARC): As of Oct 15, 2026, GPT-5.5 leads Gemini 3.5 Flash in Abstraction (ARC) at #7 against #12.

As of Oct 15, 2026, Gemini 3.5 Flash is ranked #12 in Abstraction (ARC) (since Oct 15, 2026; sources ARC-AGI; 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).