GPT-5.4 vs Mimo V2.6 Pro
As of Oct 14, 2026, GPT-5.4 leads Mimo V2.6 Pro in 1 of 5 shared categories: Factuality.
GPT-5.4
It used to be. Was SOTA in General LLM.
Mimo V2.6 Pro
Yes. Yes on General LLM (open weights); General LLM (best per dollar). Not the overall leader.
| Category | GPT-5.4 | Mimo V2.6 Pro |
|---|---|---|
| General LLM | #28 · Was SOTA · General LLM Margin 19.04761904761905 LMArena leaderboard dataset · Oct 13, 2026 | #22 · #22 in General LLM Margin 14.965986394557817 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #29 · #29 in Reasoning Margin 20.54794520547945 LMArena leaderboard dataset · Oct 13, 2026 | #21 · #21 in Reasoning Margin 15.06849315068493 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #9 · #9 in Math Margin 17.777777777777757 Epoch AI benchmarking hub · Mar 5, 2026 | — |
| Science | #16 · #16 in Science Margin — Epoch AI benchmarking hub · Mar 5, 2026 | — |
| Coding | #— · Not enough data Margin — Epoch AI benchmarking hub · Mar 5, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Coding › Web dev | #55 · #55 in Coding › Web dev Margin 50.467289719626166 LMArena leaderboard dataset · Oct 13, 2026 | #16 · #16 in Coding › Web dev Margin 14.018691588785046 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #34 · #34 in Long context Margin 23.12925170068027 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 | #6 · Was SOTA · Factuality Margin 5.22388059701494 LMArena leaderboard dataset · Oct 13, 2026 | #8 · #8 in Factuality Margin 6.71641791044776 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | #10 · #10 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Mar 5, 2026 | — |
GPT-5.4: $5.625 per 1M blended tokens.
Mimo V2.6 Pro: $0.54375 per 1M blended tokens.
GPT-5.4: closed weights.
Mimo V2.6 Pro: open weights.
General LLM: As of Oct 14, 2026, Mimo V2.6 Pro leads GPT-5.4 in General LLM at #22 against #28.
Reasoning: As of Oct 14, 2026, Mimo V2.6 Pro leads GPT-5.4 in Reasoning at #21 against #29.
Coding › Web dev: As of Oct 14, 2026, Mimo V2.6 Pro leads GPT-5.4 in Coding › Web dev at #16 against #55.
Long context: As of Oct 14, 2026, Mimo V2.6 Pro leads GPT-5.4 in Long context at #18 against #34.
Factuality: As of Oct 14, 2026, GPT-5.4 leads Mimo V2.6 Pro in Factuality at #6 against #8.
GPT-5.4 or Mimo V2.6 Pro?
As of Oct 14, 2026, GPT-5.4 leads Mimo V2.6 Pro in 1 of 5 shared categories: Factuality.
GPT-5.4 or Mimo V2.6 Pro for General LLM?
As of Oct 14, 2026, Mimo V2.6 Pro leads GPT-5.4 in General LLM at #22 against #28.
GPT-5.4 or Mimo V2.6 Pro for Reasoning?
As of Oct 14, 2026, Mimo V2.6 Pro leads GPT-5.4 in Reasoning at #21 against #29.
GPT-5.4 or Mimo V2.6 Pro for Coding › Web dev?
As of Oct 14, 2026, Mimo V2.6 Pro leads GPT-5.4 in Coding › Web dev at #16 against #55.