# Gemini 3 Pro vs Step 3.5 Flash

As of Oct 15, 2026, Gemini 3 Pro leads Step 3.5 Flash in 4 of 4 shared categories: General LLM, Reasoning, Long context, and Factuality.

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

Step 3.5 Flash: $0.15 per 1M blended tokens.

Gemini 3 Pro: closed weights.

Step 3.5 Flash: open weights.

- Which to pick, General LLM: As of Oct 15, 2026, Gemini 3 Pro leads Step 3.5 Flash in General LLM at #16 against #159.
- Which to pick, Reasoning: As of Oct 15, 2026, Gemini 3 Pro leads Step 3.5 Flash in Reasoning at #23 against #162.
- Which to pick, Long context: As of Oct 15, 2026, Gemini 3 Pro leads Step 3.5 Flash in Long context at #24 against #156.
- Which to pick, Factuality: As of Oct 15, 2026, Gemini 3 Pro leads Step 3.5 Flash in Factuality at #10 against #128.

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).

As of Oct 15, 2026, Step 3.5 Flash is ranked #128 in Factuality (since Oct 15, 2026; sources LMArena Text factuality; methodology v1.0).