Mimo V2.5 vs O3 Mini
As of Oct 14, 2026, Mimo V2.5 leads O3 Mini in 2 of 3 shared categories: Reasoning and Long context.
Mimo V2.5
#60 Best current rank: #60 in Coding › Web dev, as of Oct 14, 2026.
O3 Mini
It used to be. Was SOTA in Reasoning.
| Category | Mimo V2.5 | O3 Mini |
|---|---|---|
| General LLM | #77 · #77 in General LLM Margin 52.38095238095238 LMArena leaderboard dataset · Oct 13, 2026 | #7 · #7 in General LLM Margin — LMArena leaderboard dataset · Apr 16, 2025 |
| Reasoning | #65 · #65 in Reasoning Margin 45.205479452054796 LMArena leaderboard dataset · Oct 13, 2026 | #133 · Was SOTA · Reasoning Margin 91.78082191780823 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 | — | #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 | #60 · #60 in Coding › Web dev Margin 55.14018691588785 LMArena leaderboard dataset · Oct 13, 2026 | — |
| Long context | #64 · #64 in Long context Margin 43.537414965986386 LMArena leaderboard dataset · Oct 13, 2026 | #145 · #145 in Long context Margin 98.63945578231292 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 | — |
| Factuality | #67 · #67 in Factuality Margin 50.74626865671642 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 V2.5: $0.17500000000000002 per 1M blended tokens.
O3 Mini: $1.9250000000000003 per 1M blended tokens.
Mimo V2.5: open weights.
O3 Mini: closed weights.
General LLM: As of Oct 14, 2026, O3 Mini leads Mimo V2.5 in General LLM at #7 against #77.
Reasoning: As of Oct 14, 2026, Mimo V2.5 leads O3 Mini in Reasoning at #65 against #133.
Long context: As of Oct 14, 2026, Mimo V2.5 leads O3 Mini in Long context at #64 against #145.
Mimo V2.5 or O3 Mini?
As of Oct 14, 2026, Mimo V2.5 leads O3 Mini in 2 of 3 shared categories: Reasoning and Long context.
Mimo V2.5 or O3 Mini for General LLM?
As of Oct 14, 2026, O3 Mini leads Mimo V2.5 in General LLM at #7 against #77.
Mimo V2.5 or O3 Mini for Reasoning?
As of Oct 14, 2026, Mimo V2.5 leads O3 Mini in Reasoning at #65 against #133.
Mimo V2.5 or O3 Mini for Long context?
As of Oct 14, 2026, Mimo V2.5 leads O3 Mini in Long context at #64 against #145.