DeepSeek V4.1 Flash vs GPT-5.4 Mini
As of Oct 14, 2026, DeepSeek V4.1 Flash leads GPT-5.4 Mini in 7 of 7 shared categories: General LLM, Reasoning, Science, Coding › Web dev, 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-5.4 Mini
#36 Best recorded rank: #36 in Abstraction (ARC), as of Oct 14, 2026.
| Category | DeepSeek V4.1 Flash | GPT-5.4 Mini |
|---|---|---|
| General LLM | #29 · #29 in General LLM Margin 19.72789115646259 LMArena leaderboard dataset · Oct 13, 2026 | #59 · #59 in General LLM Margin 40.136054421768705 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #27 · #27 in Reasoning Margin 19.178082191780817 LMArena leaderboard dataset · Oct 13, 2026 | #59 · #59 in Reasoning Margin 41.0958904109589 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Science | #36 · #36 in Science Margin — Epoch AI benchmarking hub · Sep 9, 2026 | #52 · #52 in Science Margin — Epoch AI benchmarking hub · Mar 17, 2026 |
| Coding | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Coding › Web dev | #19 · #19 in Coding › Web dev Margin 16.822429906542055 LMArena leaderboard dataset · Oct 13, 2026 | #74 · #74 in Coding › Web dev Margin 68.22429906542055 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #32 · #32 in Long context Margin 21.768707482993193 LMArena leaderboard dataset · Oct 13, 2026 | #71 · #71 in Long context Margin 48.29931972789117 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 | #54 · #54 in Factuality Margin 41.04477611940298 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | #8 · #8 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Sep 9, 2026 | #36 · #36 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Mar 17, 2026 |
DeepSeek V4.1 Flash: $0.26249999999999996 per 1M blended tokens.
GPT-5.4 Mini: $1.6875 per 1M blended tokens.
DeepSeek V4.1 Flash: open weights.
GPT-5.4 Mini: closed weights.
General LLM: As of Oct 14, 2026, DeepSeek V4.1 Flash leads GPT-5.4 Mini in General LLM at #29 against #59.
Reasoning: As of Oct 14, 2026, DeepSeek V4.1 Flash leads GPT-5.4 Mini in Reasoning at #27 against #59.
Science: As of Oct 14, 2026, DeepSeek V4.1 Flash leads GPT-5.4 Mini in Science at #36 against #52.
Coding › Web dev: As of Oct 14, 2026, DeepSeek V4.1 Flash leads GPT-5.4 Mini in Coding › Web dev at #19 against #74.
Long context: As of Oct 14, 2026, DeepSeek V4.1 Flash leads GPT-5.4 Mini in Long context at #32 against #71.
Factuality: As of Oct 14, 2026, DeepSeek V4.1 Flash leads GPT-5.4 Mini in Factuality at #22 against #54.
Abstraction (ARC): As of Oct 14, 2026, DeepSeek V4.1 Flash leads GPT-5.4 Mini in Abstraction (ARC) at #8 against #36.
DeepSeek V4.1 Flash · GPT-5.4 Mini
DeepSeek V4.1 Flash or GPT-5.4 Mini?
As of Oct 14, 2026, DeepSeek V4.1 Flash leads GPT-5.4 Mini in 7 of 7 shared categories: General LLM, Reasoning, Science, Coding › Web dev, Long context, Factuality, and Abstraction (ARC).
DeepSeek V4.1 Flash or GPT-5.4 Mini for General LLM?
As of Oct 14, 2026, DeepSeek V4.1 Flash leads GPT-5.4 Mini in General LLM at #29 against #59.
DeepSeek V4.1 Flash or GPT-5.4 Mini for Reasoning?
As of Oct 14, 2026, DeepSeek V4.1 Flash leads GPT-5.4 Mini in Reasoning at #27 against #59.
DeepSeek V4.1 Flash or GPT-5.4 Mini for Science?
As of Oct 14, 2026, DeepSeek V4.1 Flash leads GPT-5.4 Mini in Science at #36 against #52.