GPT-5.4 Nano vs Mimo V2.6 Pro
As of Oct 14, 2026, GPT-5.4 Nano leads Mimo V2.6 Pro in 0 of 4 shared categories.
GPT-5.4 Nano
#43 Best recorded rank: #43 in Abstraction (ARC), as of Oct 14, 2026.
Mimo V2.6 Pro
Yes. Yes on General LLM (open weights); General LLM (best per dollar). Not the overall leader.
| Category | GPT-5.4 Nano | Mimo V2.6 Pro |
|---|---|---|
| General LLM | #114 · #114 in General LLM Margin 77.55102040816327 LMArena leaderboard dataset · Oct 13, 2026 | #22 · #22 in General LLM Margin 14.965986394557817 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #109 · #109 in Reasoning Margin 75.34246575342466 LMArena leaderboard dataset · Oct 13, 2026 | #21 · #21 in Reasoning Margin 15.06849315068493 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 | — |
| Science | #73 · #73 in Science Margin — Epoch AI benchmarking hub · Mar 17, 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 | — | #16 · #16 in Coding › Web dev Margin 14.018691588785046 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #120 · #120 in Long context Margin 81.63265306122449 LMArena leaderboard dataset · Oct 13, 2026 | #18 · #18 in Long context Margin 12.244897959183675 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 | #98 · #98 in Factuality Margin 73.88059701492537 LMArena leaderboard dataset · Oct 13, 2026 | #8 · #8 in Factuality Margin 6.71641791044776 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | #43 · #43 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Mar 17, 2026 | — |
GPT-5.4 Nano: $0.4625 per 1M blended tokens.
Mimo V2.6 Pro: $0.54375 per 1M blended tokens.
GPT-5.4 Nano: closed weights.
Mimo V2.6 Pro: open weights.
General LLM: As of Oct 14, 2026, Mimo V2.6 Pro leads GPT-5.4 Nano in General LLM at #22 against #114.
Reasoning: As of Oct 14, 2026, Mimo V2.6 Pro leads GPT-5.4 Nano in Reasoning at #21 against #109.
Long context: As of Oct 14, 2026, Mimo V2.6 Pro leads GPT-5.4 Nano in Long context at #18 against #120.
Factuality: As of Oct 14, 2026, Mimo V2.6 Pro leads GPT-5.4 Nano in Factuality at #8 against #98.
GPT-5.4 Nano or Mimo V2.6 Pro?
As of Oct 14, 2026, GPT-5.4 Nano leads Mimo V2.6 Pro in 0 of 4 shared categories.
GPT-5.4 Nano or Mimo V2.6 Pro for General LLM?
As of Oct 14, 2026, Mimo V2.6 Pro leads GPT-5.4 Nano in General LLM at #22 against #114.
GPT-5.4 Nano or Mimo V2.6 Pro for Reasoning?
As of Oct 14, 2026, Mimo V2.6 Pro leads GPT-5.4 Nano in Reasoning at #21 against #109.
GPT-5.4 Nano or Mimo V2.6 Pro for Long context?
As of Oct 14, 2026, Mimo V2.6 Pro leads GPT-5.4 Nano in Long context at #18 against #120.