Compare · 2026-10-14

Claude Opus 5.5 vs Mimo V2.5 Pro

As of Oct 14, 2026, Claude Opus 5.5 leads Mimo V2.5 Pro in 5 of 5 shared categories: General LLM, Reasoning, Coding › Web dev, Long context, and Factuality.

CategoryClaude Opus 5.5Mimo V2.5 Pro
General LLM
#2 · Near-SOTA · General LLM
Margin 1.3605442176870781
LMArena leaderboard dataset · Oct 13, 2026
#34 · #34 in General LLM
Margin 23.12925170068027
LMArena leaderboard dataset · Oct 13, 2026
Reasoning
#1 · Co-SOTA · Reasoning
Margin 0
LMArena leaderboard dataset · Oct 13, 2026
#31 · #31 in Reasoning
Margin 21.917808219178085
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
#31 · #31 in Science
Margin —
Epoch AI benchmarking hub · Sep 22, 2026
—
Coding
#1 · Co-SOTA · Coding
Margin 0
Terminal-Bench Harbor Hub · Oct 6, 2026
#— · Not enough data
Margin —
LMArena leaderboard dataset · Oct 13, 2026
Coding › Agentic
#1 · Co-SOTA · Coding › Agentic
Margin 0
Terminal-Bench Harbor Hub · Oct 6, 2026
—
Coding › Web dev
#1 · SOTA · Coding › Web dev
Margin 0
LMArena leaderboard dataset · Oct 13, 2026
#51 · #51 in Coding › Web dev
Margin 46.728971962616825
LMArena leaderboard dataset · Oct 13, 2026
Long context
#1 · Co-SOTA · Long context
Margin 0
LMArena leaderboard dataset · Oct 13, 2026
#24 · #24 in Long context
Margin 16.326530612244895
LMArena leaderboard dataset · Oct 13, 2026
Vision
#4 · Near-SOTA · Vision
Margin 13.15789473684211
Epoch AI benchmarking hub · Sep 22, 2026
—
Factuality
#1 · Co-SOTA · Factuality
Margin 0
LMArena leaderboard dataset · Oct 13, 2026
#28 · #28 in Factuality
Margin 21.641791044776113
LMArena leaderboard dataset · Oct 13, 2026
Abstraction (ARC)
#1 · #1 in Abstraction (ARC)
Margin —
Epoch AI benchmarking hub · Sep 22, 2026
—
Price per 1M tokens

Claude Opus 5.5: $8.000000000000002 per 1M blended tokens.

Mimo V2.5 Pro: $0.54375 per 1M blended tokens.

Open weights

Claude Opus 5.5: closed weights.

Mimo V2.5 Pro: open weights.

Which to pick

General LLM: As of Oct 14, 2026, Claude Opus 5.5 leads Mimo V2.5 Pro in General LLM at #2 against #34.

Reasoning: As of Oct 14, 2026, Claude Opus 5.5 leads Mimo V2.5 Pro in Reasoning at #1 against #31.

Coding › Web dev: As of Oct 14, 2026, Claude Opus 5.5 leads Mimo V2.5 Pro in Coding › Web dev at #1 against #51.

Long context: As of Oct 14, 2026, Claude Opus 5.5 leads Mimo V2.5 Pro in Long context at #1 against #24.

Factuality: As of Oct 14, 2026, Claude Opus 5.5 leads Mimo V2.5 Pro in Factuality at #1 against #28.

Claude Opus 5.5 · Mimo V2.5 Pro

Claude Opus 5.5 or Mimo V2.5 Pro?

As of Oct 14, 2026, Claude Opus 5.5 leads Mimo V2.5 Pro in 5 of 5 shared categories: General LLM, Reasoning, Coding › Web dev, Long context, and Factuality.

Claude Opus 5.5 or Mimo V2.5 Pro for General LLM?

As of Oct 14, 2026, Claude Opus 5.5 leads Mimo V2.5 Pro in General LLM at #2 against #34.

Claude Opus 5.5 or Mimo V2.5 Pro for Reasoning?

As of Oct 14, 2026, Claude Opus 5.5 leads Mimo V2.5 Pro in Reasoning at #1 against #31.

Claude Opus 5.5 or Mimo V2.5 Pro for Coding › Web dev?

As of Oct 14, 2026, Claude Opus 5.5 leads Mimo V2.5 Pro in Coding › Web dev at #1 against #51.