# DeepSeek V4.1 Flash vs O1 Mini

As of Oct 15, 2026, DeepSeek V4.1 Flash leads O1 Mini in 2 of 3 shared categories: Science and Abstraction (ARC).

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

O1 Mini: price per 1M tokens is unset in the catalog.

DeepSeek V4.1 Flash: open weights.

O1 Mini: closed weights.

- Which to pick, General LLM: As of Oct 15, 2026, O1 Mini leads DeepSeek V4.1 Flash in General LLM at #11 against #32.
- Which to pick, Science: As of Oct 15, 2026, DeepSeek V4.1 Flash leads O1 Mini in Science at #36 against #106.
- Which to pick, Abstraction (ARC): As of Oct 15, 2026, DeepSeek V4.1 Flash leads O1 Mini in Abstraction (ARC) at #8 against #79.

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, O1 Mini is a former state-of-the-art holder in Reasoning (since Sep 27, 2024; sources Humanity's Last Exam, GPQA Diamond, and LMArena Text (style-controlled, hard prompts); methodology v1.0).