DeepSeek V4.1 Flash vs GPT-5.4 Pro
As of Oct 15, 2026, DeepSeek V4.1 Flash leads GPT-5.4 Pro in 0 of 2 shared categories.
DeepSeek V4.1 Flash
Yes. Yes on General LLM (best per dollar); Reasoning (best per dollar). Not the overall leader.
GPT-5.4 Pro
It used to be. Was SOTA in Math.
| Category | DeepSeek V4.1 Flash | GPT-5.4 Pro |
|---|---|---|
| General LLM | #32 · #32 in General LLM Margin 17.02127659574468 LMArena leaderboard dataset · Oct 13, 2026 | — |
| Reasoning | #29 · #29 in Reasoning Margin 15.957446808510639 LMArena leaderboard dataset · Oct 13, 2026 | #— · Not enough data Margin — Epoch AI benchmarking hub · Mar 5, 2026 |
| Math | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 | #6 · Was SOTA · Math Margin 11.111111111111114 Epoch AI benchmarking hub · Mar 5, 2026 |
| Science | #36 · #36 in Science Margin — Epoch AI benchmarking hub · Sep 9, 2026 | #6 · #6 in Science Margin — Epoch AI benchmarking hub · Mar 5, 2026 |
| Coding | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 | — |
| 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 | — |
| 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 | #— · Not enough data Margin — Epoch AI benchmarking hub · Mar 5, 2026 |
| Abstraction (ARC) | #8 · #8 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Sep 9, 2026 | #8 · #8 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Mar 5, 2026 |
DeepSeek V4.1 Flash: $0.23463 per 1M blended tokens.
GPT-5.4 Pro: $67.5 per 1M blended tokens.
DeepSeek V4.1 Flash: open weights.
GPT-5.4 Pro: closed weights.
Science: As of Oct 15, 2026, GPT-5.4 Pro leads DeepSeek V4.1 Flash in Science at #6 against #36.
Abstraction (ARC): As of Oct 15, 2026, DeepSeek V4.1 Flash and GPT-5.4 Pro share #8 in Abstraction (ARC).
DeepSeek V4.1 Flash · GPT-5.4 Pro
DeepSeek V4.1 Flash or GPT-5.4 Pro?
As of Oct 15, 2026, DeepSeek V4.1 Flash leads GPT-5.4 Pro in 0 of 2 shared categories.
DeepSeek V4.1 Flash or GPT-5.4 Pro for Science?
As of Oct 15, 2026, GPT-5.4 Pro leads DeepSeek V4.1 Flash in Science at #6 against #36.
DeepSeek V4.1 Flash or GPT-5.4 Pro for Abstraction (ARC)?
As of Oct 15, 2026, DeepSeek V4.1 Flash and GPT-5.4 Pro share #8 in Abstraction (ARC).