DeepSeek V4.1 Flash vs GPT-4.1
As of Oct 14, 2026, DeepSeek V4.1 Flash leads GPT-4.1 in 6 of 6 shared categories: General LLM, Reasoning, Science, Long context, Factuality, and Abstraction (ARC).
DeepSeek V4.1 Flash
Yes. Yes on General LLM (best per dollar); Reasoning (best per dollar). Not the overall leader.
GPT-4.1
It used to be. Was SOTA in Long context.
| Category | DeepSeek V4.1 Flash | GPT-4.1 |
|---|---|---|
| General LLM | #29 · #29 in General LLM Margin 19.72789115646259 LMArena leaderboard dataset · Oct 13, 2026 | #101 · #101 in General LLM Margin 68.70748299319727 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #27 · #27 in Reasoning Margin 19.178082191780817 LMArena leaderboard dataset · Oct 13, 2026 | #102 · #102 in Reasoning Margin 70.54794520547945 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 | #39 · #39 in Math Margin 86.66666666666667 Epoch AI benchmarking hub · Apr 14, 2025 |
| Science | #36 · #36 in Science Margin — Epoch AI benchmarking hub · Sep 9, 2026 | #96 · #96 in Science Margin — Epoch AI benchmarking hub · Apr 14, 2025 |
| Coding | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 | #— · Not enough data Margin — Epoch AI benchmarking hub · Apr 14, 2025 |
| Coding › Web dev | #19 · #19 in Coding › Web dev Margin 16.822429906542055 LMArena leaderboard dataset · Oct 13, 2026 | — |
| Long context | #32 · #32 in Long context Margin 21.768707482993193 LMArena leaderboard dataset · Oct 13, 2026 | #95 · Was SOTA · Long context Margin 64.62585034013605 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #21 · #21 in Vision Margin 57.89473684210526 Epoch AI benchmarking hub · Sep 9, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 |
| Factuality | #22 · #22 in Factuality Margin 17.164179104477626 LMArena leaderboard dataset · Oct 13, 2026 | #103 · #103 in Factuality Margin 77.61194029850746 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | #8 · #8 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Sep 9, 2026 | #85 · #85 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Apr 14, 2025 |
DeepSeek V4.1 Flash: $0.23463 per 1M blended tokens.
GPT-4.1: $3.5 per 1M blended tokens.
DeepSeek V4.1 Flash: open weights.
GPT-4.1: closed weights.
General LLM: As of Oct 14, 2026, DeepSeek V4.1 Flash leads GPT-4.1 in General LLM at #29 against #101.
Reasoning: As of Oct 14, 2026, DeepSeek V4.1 Flash leads GPT-4.1 in Reasoning at #27 against #102.
Science: As of Oct 14, 2026, DeepSeek V4.1 Flash leads GPT-4.1 in Science at #36 against #96.
Long context: As of Oct 14, 2026, DeepSeek V4.1 Flash leads GPT-4.1 in Long context at #32 against #95.
Factuality: As of Oct 14, 2026, DeepSeek V4.1 Flash leads GPT-4.1 in Factuality at #22 against #103.
Abstraction (ARC): As of Oct 14, 2026, DeepSeek V4.1 Flash leads GPT-4.1 in Abstraction (ARC) at #8 against #85.
DeepSeek V4.1 Flash or GPT-4.1?
As of Oct 14, 2026, DeepSeek V4.1 Flash leads GPT-4.1 in 6 of 6 shared categories: General LLM, Reasoning, Science, Long context, Factuality, and Abstraction (ARC).
DeepSeek V4.1 Flash or GPT-4.1 for General LLM?
As of Oct 14, 2026, DeepSeek V4.1 Flash leads GPT-4.1 in General LLM at #29 against #101.
DeepSeek V4.1 Flash or GPT-4.1 for Reasoning?
As of Oct 14, 2026, DeepSeek V4.1 Flash leads GPT-4.1 in Reasoning at #27 against #102.
DeepSeek V4.1 Flash or GPT-4.1 for Science?
As of Oct 14, 2026, DeepSeek V4.1 Flash leads GPT-4.1 in Science at #36 against #96.