DeepSeek R1 0528 vs O3 Mini
As of Oct 15, 2026, DeepSeek R1 0528 leads O3 Mini in 2 of 5 shared categories: Reasoning and Long context.
DeepSeek R1 0528
It used to be. Was SOTA in General LLM.
O3 Mini
It used to be. Was SOTA in Reasoning.
| Category | DeepSeek R1 0528 | O3 Mini |
|---|---|---|
| General LLM | #119 · #119 in General LLM Margin 63.297872340425535 LMArena leaderboard dataset · Oct 13, 2026 | #10 · #10 in General LLM Margin — LMArena leaderboard dataset · Apr 16, 2025 |
| Reasoning | #127 · #127 in Reasoning Margin 68.08510638297872 LMArena leaderboard dataset · Oct 13, 2026 | #172 · Was SOTA · Reasoning Margin 92.02127659574468 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 | #76 · #76 in Science Margin — Epoch AI benchmarking hub · Jan 31, 2025 |
| Coding | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #150 · #150 in Long context Margin 79.7872340425532 LMArena leaderboard dataset · Oct 13, 2026 | #186 · #186 in Long context Margin 98.93617021276596 LMArena leaderboard dataset · Oct 13, 2026 |
| Factuality | — | #— · Not enough data Margin — Epoch AI benchmarking hub · Jan 31, 2025 |
| Abstraction (ARC) | #70 · #70 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · May 28, 2025 | #51 · #51 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Jan 31, 2025 |
DeepSeek R1 0528: $0.9125000000000001 per 1M blended tokens.
O3 Mini: $1.9250000000000003 per 1M blended tokens.
DeepSeek R1 0528: open weights.
O3 Mini: closed weights.
General LLM: As of Oct 15, 2026, O3 Mini leads DeepSeek R1 0528 in General LLM at #10 against #119.
Reasoning: As of Oct 15, 2026, DeepSeek R1 0528 leads O3 Mini in Reasoning at #127 against #172.
Science: As of Oct 15, 2026, O3 Mini leads DeepSeek R1 0528 in Science at #76 against #78.
Long context: As of Oct 15, 2026, DeepSeek R1 0528 leads O3 Mini in Long context at #150 against #186.
Abstraction (ARC): As of Oct 15, 2026, O3 Mini leads DeepSeek R1 0528 in Abstraction (ARC) at #51 against #70.
DeepSeek R1 0528 or O3 Mini?
As of Oct 15, 2026, DeepSeek R1 0528 leads O3 Mini in 2 of 5 shared categories: Reasoning and Long context.
DeepSeek R1 0528 or O3 Mini for General LLM?
As of Oct 15, 2026, O3 Mini leads DeepSeek R1 0528 in General LLM at #10 against #119.
DeepSeek R1 0528 or O3 Mini for Reasoning?
As of Oct 15, 2026, DeepSeek R1 0528 leads O3 Mini in Reasoning at #127 against #172.
DeepSeek R1 0528 or O3 Mini for Science?
As of Oct 15, 2026, O3 Mini leads DeepSeek R1 0528 in Science at #76 against #78.