# Gemini 3.8 Flash vs GPT-5 Mini

As of Oct 15, 2026, Gemini 3.8 Flash leads GPT-5 Mini in 7 of 7 shared categories: General LLM, Reasoning, Math, Science, Long context, Factuality, and Abstraction (ARC).

Gemini 3.8 Flash: $1.5 per 1M blended tokens.

GPT-5 Mini: $0.6875 per 1M blended tokens.

Gemini 3.8 Flash: closed weights.

GPT-5 Mini: closed weights.

- Which to pick, General LLM: As of Oct 15, 2026, Gemini 3.8 Flash leads GPT-5 Mini in General LLM at #7 against #165.
- Which to pick, Reasoning: As of Oct 15, 2026, Gemini 3.8 Flash leads GPT-5 Mini in Reasoning at #6 against #169.
- Which to pick, Math: As of Oct 15, 2026, Gemini 3.8 Flash leads GPT-5 Mini in Math at #5 against #21.
- Which to pick, Science: As of Oct 15, 2026, Gemini 3.8 Flash leads GPT-5 Mini in Science at #4 against #81.
- Which to pick, Long context: As of Oct 15, 2026, Gemini 3.8 Flash leads GPT-5 Mini in Long context at #5 against #187.
- Which to pick, Factuality: As of Oct 15, 2026, Gemini 3.8 Flash leads GPT-5 Mini in Factuality at #19 against #146.
- Which to pick, Abstraction (ARC): As of Oct 15, 2026, Gemini 3.8 Flash leads GPT-5 Mini in Abstraction (ARC) at #1 against #41.

As of Oct 15, 2026, Gemini 3.8 Flash is state of the art on best per dollar in General LLM (since Oct 14, 2026; sources LMArena Text (style-controlled, overall); methodology v1.0).

As of Oct 15, 2026, GPT-5 Mini is a former state-of-the-art holder in Math (since Sep 29, 2025; sources Humanity's Last Exam; methodology v1.0).
