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
Yes. Yes on General LLM (best per dollar); Reasoning (best per dollar). Not the overall leader.
O1 Mini
It used to be. Was SOTA in Reasoning.
| Category | DeepSeek V4.1 Flash | O1 Mini |
|---|---|---|
| General LLM | #32 · #32 in General LLM Margin 17.02127659574468 LMArena leaderboard dataset · Oct 13, 2026 | #11 · #11 in General LLM Margin — LMArena leaderboard dataset · Feb 6, 2025 |
| Reasoning | #29 · #29 in Reasoning Margin 15.957446808510639 LMArena leaderboard dataset · Oct 13, 2026 | #— · Was SOTA · Reasoning Margin — LMArena leaderboard dataset · Mar 11, 2025 |
| Math | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Apr 16, 2025 |
| Science | #36 · #36 in Science Margin — Epoch AI benchmarking hub · Sep 9, 2026 | #106 · #106 in Science Margin — Epoch AI benchmarking hub · Sep 12, 2024 |
| Coding | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Mar 25, 2025 |
| Coding › Web dev | #21 · #21 in Coding › Web dev Margin 16 LMArena leaderboard dataset · Oct 13, 2026 | — |
| Long context | #37 · #37 in Long context Margin 19.68085106382979 LMArena leaderboard dataset · Oct 13, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Feb 11, 2025 |
| Vision | #21 · #21 in Vision Margin 57.89473684210526 Epoch AI benchmarking hub · Sep 9, 2026 | — |
| Factuality | #25 · #25 in Factuality Margin 15.116279069767444 LMArena leaderboard dataset · Oct 13, 2026 | — |
| Abstraction (ARC) | #8 · #8 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Sep 9, 2026 | #79 · #79 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Sep 12, 2024 |
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.
General LLM: As of Oct 15, 2026, O1 Mini leads DeepSeek V4.1 Flash in General LLM at #11 against #32.
Science: As of Oct 15, 2026, DeepSeek V4.1 Flash leads O1 Mini in Science at #36 against #106.
Abstraction (ARC): As of Oct 15, 2026, DeepSeek V4.1 Flash leads O1 Mini in Abstraction (ARC) at #8 against #79.
DeepSeek V4.1 Flash or 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 or O1 Mini for General LLM?
As of Oct 15, 2026, O1 Mini leads DeepSeek V4.1 Flash in General LLM at #11 against #32.
DeepSeek V4.1 Flash or O1 Mini for Science?
As of Oct 15, 2026, DeepSeek V4.1 Flash leads O1 Mini in Science at #36 against #106.
DeepSeek V4.1 Flash or O1 Mini for Abstraction (ARC)?
As of Oct 15, 2026, DeepSeek V4.1 Flash leads O1 Mini in Abstraction (ARC) at #8 against #79.