# DeepSeek V4.1 Flash vs Gemini 2.5 Pro

As of Oct 15, 2026, DeepSeek V4.1 Flash leads Gemini 2.5 Pro in 7 of 7 shared categories: General LLM, Reasoning, Science, Coding › Web dev, Long context, Factuality, and Abstraction (ARC).

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

Gemini 2.5 Pro: $3.4375000000000004 per 1M blended tokens.

DeepSeek V4.1 Flash: open weights.

Gemini 2.5 Pro: closed weights.

- Which to pick, General LLM: As of Oct 15, 2026, DeepSeek V4.1 Flash leads Gemini 2.5 Pro in General LLM at #32 against #78.
- Which to pick, Reasoning: As of Oct 15, 2026, DeepSeek V4.1 Flash leads Gemini 2.5 Pro in Reasoning at #29 against #92.
- Which to pick, Science: As of Oct 15, 2026, DeepSeek V4.1 Flash leads Gemini 2.5 Pro in Science at #36 against #58.
- Which to pick, Coding › Web dev: As of Oct 15, 2026, DeepSeek V4.1 Flash leads Gemini 2.5 Pro in Coding › Web dev at #21 against #119.
- Which to pick, Long context: As of Oct 15, 2026, DeepSeek V4.1 Flash leads Gemini 2.5 Pro in Long context at #37 against #72.
- Which to pick, Factuality: As of Oct 15, 2026, DeepSeek V4.1 Flash leads Gemini 2.5 Pro in Factuality at #25 against #37.
- Which to pick, Abstraction (ARC): As of Oct 15, 2026, DeepSeek V4.1 Flash leads Gemini 2.5 Pro in Abstraction (ARC) at #8 against #48.

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 2.5 Pro is a former state-of-the-art holder in General LLM (since Oct 17, 2025; sources LMArena Text (style-controlled, overall); methodology v1.0).