DeepSeek R1 0528 vs DeepSeek V4.1 Flash
As of Oct 14, 2026, DeepSeek R1 0528 leads DeepSeek V4.1 Flash in 0 of 5 shared categories.
DeepSeek R1 0528
It used to be. Was SOTA in General LLM.
DeepSeek V4.1 Flash
Yes. Yes on General LLM (best per dollar); Reasoning (best per dollar). Not the overall leader.
| Category | DeepSeek R1 0528 | DeepSeek V4.1 Flash |
|---|---|---|
| General LLM | #92 · #92 in General LLM Margin 62.585034013605444 LMArena leaderboard dataset · Oct 13, 2026 | #29 · #29 in General LLM Margin 19.72789115646259 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #98 · #98 in Reasoning Margin 67.8082191780822 LMArena leaderboard dataset · Oct 13, 2026 | #27 · #27 in Reasoning Margin 19.178082191780817 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 | #78 · #78 in Science Margin — Epoch AI benchmarking hub · May 28, 2025 | #36 · #36 in Science Margin — Epoch AI benchmarking hub · Sep 9, 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 |
| Long context | #114 · #114 in Long context Margin 77.55102040816327 LMArena leaderboard dataset · Oct 13, 2026 | #32 · #32 in Long context Margin 21.768707482993193 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | — | #21 · #21 in Vision Margin 57.89473684210526 Epoch AI benchmarking hub · Sep 9, 2026 |
| Factuality | — | #22 · #22 in Factuality Margin 17.164179104477626 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | #70 · #70 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · May 28, 2025 | #8 · #8 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Sep 9, 2026 |
DeepSeek R1 0528: $0.9125000000000001 per 1M blended tokens.
DeepSeek V4.1 Flash: $0.23787 per 1M blended tokens.
DeepSeek R1 0528: open weights.
DeepSeek V4.1 Flash: open weights.
General LLM: As of Oct 14, 2026, DeepSeek V4.1 Flash leads DeepSeek R1 0528 in General LLM at #29 against #92.
Reasoning: As of Oct 14, 2026, DeepSeek V4.1 Flash leads DeepSeek R1 0528 in Reasoning at #27 against #98.
Science: As of Oct 14, 2026, DeepSeek V4.1 Flash leads DeepSeek R1 0528 in Science at #36 against #78.
Long context: As of Oct 14, 2026, DeepSeek V4.1 Flash leads DeepSeek R1 0528 in Long context at #32 against #114.
Abstraction (ARC): As of Oct 14, 2026, DeepSeek V4.1 Flash leads DeepSeek R1 0528 in Abstraction (ARC) at #8 against #70.
DeepSeek R1 0528 · DeepSeek V4.1 Flash
DeepSeek R1 0528 or DeepSeek V4.1 Flash?
As of Oct 14, 2026, DeepSeek R1 0528 leads DeepSeek V4.1 Flash in 0 of 5 shared categories.
DeepSeek R1 0528 or DeepSeek V4.1 Flash for General LLM?
As of Oct 14, 2026, DeepSeek V4.1 Flash leads DeepSeek R1 0528 in General LLM at #29 against #92.
DeepSeek R1 0528 or DeepSeek V4.1 Flash for Reasoning?
As of Oct 14, 2026, DeepSeek V4.1 Flash leads DeepSeek R1 0528 in Reasoning at #27 against #98.
DeepSeek R1 0528 or DeepSeek V4.1 Flash for Science?
As of Oct 14, 2026, DeepSeek V4.1 Flash leads DeepSeek R1 0528 in Science at #36 against #78.