# Gemini 2.5 Flash Preview 09 2025 vs Gemini 3 Pro

As of Oct 15, 2026, Gemini 2.5 Flash Preview 09 2025 leads Gemini 3 Pro in 0 of 4 shared categories.

Gemini 2.5 Flash Preview 09 2025: price per 1M tokens is unset in the catalog.

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

Gemini 2.5 Flash Preview 09 2025: closed weights.

Gemini 3 Pro: closed weights.

- Which to pick, General LLM: As of Oct 15, 2026, Gemini 3 Pro leads Gemini 2.5 Flash Preview 09 2025 in General LLM at #16 against #145.
- Which to pick, Reasoning: As of Oct 15, 2026, Gemini 3 Pro leads Gemini 2.5 Flash Preview 09 2025 in Reasoning at #23 against #146.
- Which to pick, Long context: As of Oct 15, 2026, Gemini 3 Pro leads Gemini 2.5 Flash Preview 09 2025 in Long context at #24 against #139.
- Which to pick, Factuality: As of Oct 15, 2026, Gemini 3 Pro leads Gemini 2.5 Flash Preview 09 2025 in Factuality at #10 against #112.

As of Oct 15, 2026, Gemini 2.5 Flash Preview 09 2025 is ranked #112 in Factuality (since Oct 15, 2026; sources LMArena Text factuality; 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).