# DeepSeek V4.1 Flash vs GLM 5

As of Oct 15, 2026, DeepSeek V4.1 Flash leads GLM 5 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.

GLM 5: $1.55 per 1M blended tokens.

DeepSeek V4.1 Flash: open weights.

GLM 5: open weights.

- Which to pick, General LLM: As of Oct 15, 2026, DeepSeek V4.1 Flash leads GLM 5 in General LLM at #32 against #56.
- Which to pick, Reasoning: As of Oct 15, 2026, DeepSeek V4.1 Flash leads GLM 5 in Reasoning at #29 against #59.
- Which to pick, Science: As of Oct 15, 2026, DeepSeek V4.1 Flash leads GLM 5 in Science at #36 against #47.
- Which to pick, Coding › Web dev: As of Oct 15, 2026, DeepSeek V4.1 Flash leads GLM 5 in Coding › Web dev at #21 against #68.
- Which to pick, Long context: As of Oct 15, 2026, DeepSeek V4.1 Flash leads GLM 5 in Long context at #37 against #55.
- Which to pick, Factuality: As of Oct 15, 2026, DeepSeek V4.1 Flash leads GLM 5 in Factuality at #25 against #55.
- Which to pick, Abstraction (ARC): As of Oct 15, 2026, DeepSeek V4.1 Flash leads GLM 5 in Abstraction (ARC) at #8 against #47.

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, GLM 5 is a former state-of-the-art holder in Coding › Web dev (since Apr 2, 2026; sources LMArena WebDev; methodology v1.0).