# DeepSeek V4.1 Flash vs Grok 4.5

As of Oct 15, 2026, DeepSeek V4.1 Flash leads Grok 4.5 in 7 of 8 shared categories: General LLM, Reasoning, Coding › Web dev, Long context, Vision, Factuality, and Abstraction (ARC).

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

Grok 4.5: $3 per 1M blended tokens.

DeepSeek V4.1 Flash: open weights.

Grok 4.5: closed weights.

- Which to pick, General LLM: As of Oct 15, 2026, DeepSeek V4.1 Flash leads Grok 4.5 in General LLM at #32 against #45.
- Which to pick, Reasoning: As of Oct 15, 2026, DeepSeek V4.1 Flash leads Grok 4.5 in Reasoning at #29 against #44.
- Which to pick, Science: As of Oct 15, 2026, Grok 4.5 leads DeepSeek V4.1 Flash in Science at #14 against #36.
- Which to pick, Coding › Web dev: As of Oct 15, 2026, DeepSeek V4.1 Flash leads Grok 4.5 in Coding › Web dev at #21 against #36.
- Which to pick, Long context: As of Oct 15, 2026, DeepSeek V4.1 Flash leads Grok 4.5 in Long context at #37 against #41.
- Which to pick, Vision: As of Oct 15, 2026, DeepSeek V4.1 Flash leads Grok 4.5 in Vision at #21 against #29.
- Which to pick, Factuality: As of Oct 15, 2026, DeepSeek V4.1 Flash leads Grok 4.5 in Factuality at #25 against #30.
- Which to pick, Abstraction (ARC): As of Oct 15, 2026, DeepSeek V4.1 Flash leads Grok 4.5 in Abstraction (ARC) at #8 against #21.

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, Grok 4.5 is ranked #14 in Science (since Oct 15, 2026; sources GPQA Diamond; methodology v1.0).