Mimo V2.6 Pro vs O3
As of Oct 14, 2026, Mimo V2.6 Pro leads O3 in 4 of 4 shared categories: General LLM, Reasoning, Long context, and Factuality.
Mimo V2.6 Pro
Yes. Yes on General LLM (open weights); General LLM (best per dollar). Not the overall leader.
O3
It used to be. Was SOTA in General LLM.
| Category | Mimo V2.6 Pro | O3 |
|---|---|---|
| General LLM | #22 · #22 in General LLM Margin 14.965986394557817 LMArena leaderboard dataset · Oct 13, 2026 | #78 · Was SOTA · General LLM Margin 53.06122448979592 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #21 · #21 in Reasoning Margin 15.06849315068493 LMArena leaderboard dataset · Oct 13, 2026 | #90 · Was SOTA · Reasoning Margin 62.32876712328767 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | — | #20 · Was SOTA · Math Margin 42.22222222222222 Epoch AI benchmarking hub · Apr 16, 2025 |
| Science | — | #67 · #67 in Science Margin — Epoch AI benchmarking hub · Apr 16, 2025 |
| Coding | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 | #— · Not enough data Margin — Epoch AI benchmarking hub · Apr 16, 2025 |
| Coding › Web dev | #16 · #16 in Coding › Web dev Margin 14.018691588785046 LMArena leaderboard dataset · Oct 13, 2026 | — |
| Long context | #18 · #18 in Long context Margin 12.244897959183675 LMArena leaderboard dataset · Oct 13, 2026 | #110 · Was SOTA · Long context Margin 74.82993197278913 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 |
| Factuality | #8 · #8 in Factuality Margin 6.71641791044776 LMArena leaderboard dataset · Oct 13, 2026 | #105 · #105 in Factuality Margin 79.1044776119403 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | — | #37 · #37 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Apr 16, 2025 |
Mimo V2.6 Pro: $0.54375 per 1M blended tokens.
O3: $3.5 per 1M blended tokens.
Mimo V2.6 Pro: open weights.
O3: closed weights.
General LLM: As of Oct 14, 2026, Mimo V2.6 Pro leads O3 in General LLM at #22 against #78.
Reasoning: As of Oct 14, 2026, Mimo V2.6 Pro leads O3 in Reasoning at #21 against #90.
Long context: As of Oct 14, 2026, Mimo V2.6 Pro leads O3 in Long context at #18 against #110.
Factuality: As of Oct 14, 2026, Mimo V2.6 Pro leads O3 in Factuality at #8 against #105.
Mimo V2.6 Pro or O3?
As of Oct 14, 2026, Mimo V2.6 Pro leads O3 in 4 of 4 shared categories: General LLM, Reasoning, Long context, and Factuality.
Mimo V2.6 Pro or O3 for General LLM?
As of Oct 14, 2026, Mimo V2.6 Pro leads O3 in General LLM at #22 against #78.
Mimo V2.6 Pro or O3 for Reasoning?
As of Oct 14, 2026, Mimo V2.6 Pro leads O3 in Reasoning at #21 against #90.
Mimo V2.6 Pro or O3 for Long context?
As of Oct 14, 2026, Mimo V2.6 Pro leads O3 in Long context at #18 against #110.