# Gemini 3.5 Flash vs GPT-5.6 Terra

As of Oct 15, 2026, Gemini 3.5 Flash leads GPT-5.6 Terra in 4 of 8 shared categories: General LLM, Reasoning, Long context, and Factuality.

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

GPT-5.6 Terra: $4.5 per 1M blended tokens.

Gemini 3.5 Flash: closed weights.

GPT-5.6 Terra: closed weights.

- Which to pick, General LLM: As of Oct 15, 2026, Gemini 3.5 Flash leads GPT-5.6 Terra in General LLM at #25 against #44.
- Which to pick, Reasoning: As of Oct 15, 2026, Gemini 3.5 Flash leads GPT-5.6 Terra in Reasoning at #35 against #41.
- Which to pick, Science: As of Oct 15, 2026, GPT-5.6 Terra leads Gemini 3.5 Flash in Science at #15 against #18.
- Which to pick, Coding › Web dev: As of Oct 15, 2026, GPT-5.6 Terra leads Gemini 3.5 Flash in Coding › Web dev at #44 against #52.
- Which to pick, Long context: As of Oct 15, 2026, Gemini 3.5 Flash leads GPT-5.6 Terra in Long context at #33 against #54.
- Which to pick, Vision: As of Oct 15, 2026, GPT-5.6 Terra leads Gemini 3.5 Flash in Vision at #11 against #29.
- Which to pick, Factuality: As of Oct 15, 2026, Gemini 3.5 Flash leads GPT-5.6 Terra in Factuality at #14 against #28.
- Which to pick, Abstraction (ARC): As of Oct 15, 2026, GPT-5.6 Terra leads Gemini 3.5 Flash in Abstraction (ARC) at #4 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-5.6 Terra is ranked #4 in Abstraction (ARC) (since Oct 15, 2026; sources ARC-AGI; methodology v1.0).