# DeepSeek V4.1 Flash vs Gemini 3.5 Flash

As of Oct 15, 2026, DeepSeek V4.1 Flash leads Gemini 3.5 Flash in 4 of 8 shared categories: Reasoning, Coding › Web dev, Vision, and Abstraction (ARC).

DeepSeek V4.1 Flash: $0.23463 per 1M blended tokens.

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

DeepSeek V4.1 Flash: open weights.

Gemini 3.5 Flash: closed weights.

- Which to pick, General LLM: As of Oct 15, 2026, Gemini 3.5 Flash leads DeepSeek V4.1 Flash in General LLM at #24 against #29.
- Which to pick, Reasoning: As of Oct 15, 2026, DeepSeek V4.1 Flash leads Gemini 3.5 Flash in Reasoning at #27 against #32.
- Which to pick, Science: As of Oct 15, 2026, Gemini 3.5 Flash leads DeepSeek V4.1 Flash in Science at #18 against #36.
- Which to pick, Coding › Web dev: As of Oct 15, 2026, DeepSeek V4.1 Flash leads Gemini 3.5 Flash in Coding › Web dev at #19 against #48.
- Which to pick, Long context: As of Oct 15, 2026, Gemini 3.5 Flash leads DeepSeek V4.1 Flash in Long context at #28 against #32.
- Which to pick, Vision: As of Oct 15, 2026, DeepSeek V4.1 Flash leads Gemini 3.5 Flash in Vision at #21 against #29.
- Which to pick, Factuality: As of Oct 15, 2026, Gemini 3.5 Flash leads DeepSeek V4.1 Flash in Factuality at #13 against #22.
- Which to pick, Abstraction (ARC): As of Oct 15, 2026, DeepSeek V4.1 Flash leads Gemini 3.5 Flash in Abstraction (ARC) at #8 against #12.

As of Oct 15, 2026, DeepSeek V4.1 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, Gemini 3.5 Flash is ranked #12 in Abstraction (ARC) (since Oct 15, 2026; sources ARC-AGI; methodology v1.0).