Mimo V2.6 Pro vs Step 3.5 Flash
As of Oct 14, 2026, Mimo V2.6 Pro leads Step 3.5 Flash 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.
Step 3.5 Flash
#99 Best current rank: #99 in Factuality, as of Oct 14, 2026.
| Category | Mimo V2.6 Pro | Step 3.5 Flash |
|---|---|---|
| General LLM | #22 · #22 in General LLM Margin 14.965986394557817 LMArena leaderboard dataset · Oct 13, 2026 | #123 · #123 in General LLM Margin 83.6734693877551 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #21 · #21 in Reasoning Margin 15.06849315068493 LMArena leaderboard dataset · Oct 13, 2026 | #124 · #124 in Reasoning Margin 85.61643835616438 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | — | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 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 | #18 · #18 in Long context Margin 12.244897959183675 LMArena leaderboard dataset · Oct 13, 2026 | #119 · #119 in Long context Margin 80.95238095238095 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 | — |
| Factuality | #8 · #8 in Factuality Margin 6.71641791044776 LMArena leaderboard dataset · Oct 13, 2026 | #99 · #99 in Factuality Margin 74.6268656716418 LMArena leaderboard dataset · Oct 13, 2026 |
Mimo V2.6 Pro: $0.54375 per 1M blended tokens.
Step 3.5 Flash: $0.15 per 1M blended tokens.
Mimo V2.6 Pro: open weights.
Step 3.5 Flash: open weights.
General LLM: As of Oct 14, 2026, Mimo V2.6 Pro leads Step 3.5 Flash in General LLM at #22 against #123.
Reasoning: As of Oct 14, 2026, Mimo V2.6 Pro leads Step 3.5 Flash in Reasoning at #21 against #124.
Long context: As of Oct 14, 2026, Mimo V2.6 Pro leads Step 3.5 Flash in Long context at #18 against #119.
Factuality: As of Oct 14, 2026, Mimo V2.6 Pro leads Step 3.5 Flash in Factuality at #8 against #99.
Mimo V2.6 Pro · Step 3.5 Flash
Mimo V2.6 Pro or Step 3.5 Flash?
As of Oct 14, 2026, Mimo V2.6 Pro leads Step 3.5 Flash in 4 of 4 shared categories: General LLM, Reasoning, Long context, and Factuality.
Mimo V2.6 Pro or Step 3.5 Flash for General LLM?
As of Oct 14, 2026, Mimo V2.6 Pro leads Step 3.5 Flash in General LLM at #22 against #123.
Mimo V2.6 Pro or Step 3.5 Flash for Reasoning?
As of Oct 14, 2026, Mimo V2.6 Pro leads Step 3.5 Flash in Reasoning at #21 against #124.
Mimo V2.6 Pro or Step 3.5 Flash for Long context?
As of Oct 14, 2026, Mimo V2.6 Pro leads Step 3.5 Flash in Long context at #18 against #119.