Mimo V2.6 Pro vs O3 Mini
As of Oct 15, 2026, Mimo V2.6 Pro leads O3 Mini in 2 of 3 shared categories: Reasoning and Long context.
Mimo V2.6 Pro
Yes. Yes on General LLM (open weights); General LLM (best per dollar). Not the overall leader.
O3 Mini
It used to be. Was SOTA in Reasoning.
| Category | Mimo V2.6 Pro | O3 Mini |
|---|---|---|
| General LLM | #23 · #23 in General LLM Margin 12.234042553191486 LMArena leaderboard dataset · Oct 13, 2026 | #10 · #10 in General LLM Margin — LMArena leaderboard dataset · Apr 16, 2025 |
| Reasoning | #21 · #21 in Reasoning Margin 11.702127659574472 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 |
| Science | — | #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 |
| Coding › Web dev | #18 · #18 in Coding › Web dev Margin 13.599999999999994 LMArena leaderboard dataset · Oct 13, 2026 | — |
| Long context | #19 · #19 in Long context Margin 10.106382978723403 LMArena leaderboard dataset · Oct 13, 2026 | #186 · #186 in Long context Margin 98.93617021276596 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 | — |
| Factuality | #8 · #8 in Factuality Margin 5.232558139534888 LMArena leaderboard dataset · Oct 13, 2026 | #— · Not enough data Margin — Epoch AI benchmarking hub · Jan 31, 2025 |
| Abstraction (ARC) | — | #51 · #51 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Jan 31, 2025 |
Mimo V2.6 Pro: $0.54375 per 1M blended tokens.
O3 Mini: $1.9250000000000003 per 1M blended tokens.
Mimo V2.6 Pro: open weights.
O3 Mini: closed weights.
General LLM: As of Oct 15, 2026, O3 Mini leads Mimo V2.6 Pro in General LLM at #10 against #23.
Reasoning: As of Oct 15, 2026, Mimo V2.6 Pro leads O3 Mini in Reasoning at #21 against #172.
Long context: As of Oct 15, 2026, Mimo V2.6 Pro leads O3 Mini in Long context at #19 against #186.
Mimo V2.6 Pro or O3 Mini?
As of Oct 15, 2026, Mimo V2.6 Pro leads O3 Mini in 2 of 3 shared categories: Reasoning and Long context.
Mimo V2.6 Pro or O3 Mini for General LLM?
As of Oct 15, 2026, O3 Mini leads Mimo V2.6 Pro in General LLM at #10 against #23.
Mimo V2.6 Pro or O3 Mini for Reasoning?
As of Oct 15, 2026, Mimo V2.6 Pro leads O3 Mini in Reasoning at #21 against #172.
Mimo V2.6 Pro or O3 Mini for Long context?
As of Oct 15, 2026, Mimo V2.6 Pro leads O3 Mini in Long context at #19 against #186.