Claude Opus 5 vs Mimo V2.6 Flash
As of Oct 15, 2026, Claude Opus 5 leads Mimo V2.6 Flash in 5 of 5 shared categories: General LLM, Reasoning, Coding › Web dev, Long context, and Factuality.
Claude Opus 5
Close. Near-SOTA in Factuality, rank #4.
Mimo V2.6 Flash
Yes. Yes on Reasoning (best per dollar); Coding › Web dev (best per dollar). Not the overall leader.
| Category | Claude Opus 5 | Mimo V2.6 Flash |
|---|---|---|
| General LLM | #11 · Was SOTA · General LLM Margin 5.851063829787236 LMArena leaderboard dataset · Oct 13, 2026 | #68 · #68 in General LLM Margin 36.170212765957444 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #9 · Was SOTA · Reasoning Margin 5.319148936170208 LMArena leaderboard dataset · Oct 13, 2026 | #54 · #54 in Reasoning Margin 29.255319148936167 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 | #12 · #12 in Science Margin — Epoch AI benchmarking hub · Jul 24, 2026 | — |
| Coding | #4 · #4 in Coding Margin 22.727272727272734 Terminal-Bench Harbor Hub · Oct 6, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Coding › Agentic | #4 · #4 in Coding › Agentic Margin 22.727272727272734 Terminal-Bench Harbor Hub · Oct 6, 2026 | — |
| Coding › Web dev | #6 · Near-SOTA · Coding › Web dev Margin 4 LMArena leaderboard dataset · Oct 13, 2026 | #15 · #15 in Coding › Web dev Margin 11.200000000000003 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #9 · Was SOTA · Long context Margin 4.7872340425531945 LMArena leaderboard dataset · Oct 13, 2026 | #67 · #67 in Long context Margin 35.63829787234043 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #12 · #12 in Vision Margin 36.8421052631579 Epoch AI benchmarking hub · Jul 24, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 |
| Factuality | #4 · Near-SOTA · Factuality Margin 2.9069767441860535 LMArena leaderboard dataset · Oct 13, 2026 | #50 · #50 in Factuality Margin 29.65116279069767 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | #3 · #3 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Jul 24, 2026 | — |
Claude Opus 5: $10 per 1M blended tokens.
Mimo V2.6 Flash: $0.17500000000000002 per 1M blended tokens.
Claude Opus 5: closed weights.
Mimo V2.6 Flash: open weights.
General LLM: As of Oct 15, 2026, Claude Opus 5 leads Mimo V2.6 Flash in General LLM at #11 against #68.
Reasoning: As of Oct 15, 2026, Claude Opus 5 leads Mimo V2.6 Flash in Reasoning at #9 against #54.
Coding › Web dev: As of Oct 15, 2026, Claude Opus 5 leads Mimo V2.6 Flash in Coding › Web dev at #6 against #15.
Long context: As of Oct 15, 2026, Claude Opus 5 leads Mimo V2.6 Flash in Long context at #9 against #67.
Factuality: As of Oct 15, 2026, Claude Opus 5 leads Mimo V2.6 Flash in Factuality at #4 against #50.
Claude Opus 5 · Mimo V2.6 Flash
Claude Opus 5 or Mimo V2.6 Flash?
As of Oct 15, 2026, Claude Opus 5 leads Mimo V2.6 Flash in 5 of 5 shared categories: General LLM, Reasoning, Coding › Web dev, Long context, and Factuality.
Claude Opus 5 or Mimo V2.6 Flash for General LLM?
As of Oct 15, 2026, Claude Opus 5 leads Mimo V2.6 Flash in General LLM at #11 against #68.
Claude Opus 5 or Mimo V2.6 Flash for Reasoning?
As of Oct 15, 2026, Claude Opus 5 leads Mimo V2.6 Flash in Reasoning at #9 against #54.
Claude Opus 5 or Mimo V2.6 Flash for Coding › Web dev?
As of Oct 15, 2026, Claude Opus 5 leads Mimo V2.6 Flash in Coding › Web dev at #6 against #15.