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Compare · 2026-10-15

GPT-6.1 Sol vs Mimo V2.5

As of Oct 15, 2026, GPT-6.1 Sol leads Mimo V2.5 in 5 of 5 shared categories: General LLM, Reasoning, Coding › Web dev, Long context, and Factuality.

CategoryGPT-6.1 SolMimo V2.5
General LLM
#18 · #18 in General LLM
Margin 9.574468085106389
LMArena leaderboard dataset · Oct 13, 2026
#97 · #97 in General LLM
Margin 51.59574468085106
LMArena leaderboard dataset · Oct 13, 2026
Reasoning
#15 · #15 in Reasoning
Margin 8.510638297872347
LMArena leaderboard dataset · Oct 13, 2026
#82 · #82 in Reasoning
Margin 44.148936170212764
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
#4 · #4 in Science
Margin —
Epoch AI benchmarking hub · Sep 29, 2026
—
Coding
#2 · Near-SOTA · Coding
Margin 13.63636363636364
Terminal-Bench Harbor Hub · Oct 6, 2026
#— · Not enough data
Margin —
LMArena leaderboard dataset · Oct 13, 2026
Coding › Agentic
#2 · Near-SOTA · Coding › Agentic
Margin 13.63636363636364
Terminal-Bench Harbor Hub · Oct 6, 2026
—
Coding › Web dev
#4 · Near-SOTA · Coding › Web dev
Margin 2.4000000000000057
LMArena leaderboard dataset · Oct 13, 2026
#66 · #66 in Coding › Web dev
Margin 52
LMArena leaderboard dataset · Oct 13, 2026
Long context
#18 · #18 in Long context
Margin 9.574468085106389
LMArena leaderboard dataset · Oct 13, 2026
#79 · #79 in Long context
Margin 42.02127659574468
LMArena leaderboard dataset · Oct 13, 2026
Vision
#1 · Co-SOTA · Vision
Margin 0
Epoch AI benchmarking hub · Sep 29, 2026
#— · Not enough data
Margin —
LMArena leaderboard dataset · Oct 9, 2026
Factuality
#33 · #33 in Factuality
Margin 19.767441860465127
LMArena leaderboard dataset · Oct 13, 2026
#85 · #85 in Factuality
Margin 50
LMArena leaderboard dataset · Oct 13, 2026
Abstraction (ARC)
#1 · #1 in Abstraction (ARC)
Margin —
Epoch AI benchmarking hub · Sep 29, 2026
—
Price per 1M tokens

GPT-6.1 Sol: $4.000000000000001 per 1M blended tokens.

Mimo V2.5: $0.17500000000000002 per 1M blended tokens.

Open weights

GPT-6.1 Sol: closed weights.

Mimo V2.5: open weights.

Which to pick

General LLM: As of Oct 15, 2026, GPT-6.1 Sol leads Mimo V2.5 in General LLM at #18 against #97.

Reasoning: As of Oct 15, 2026, GPT-6.1 Sol leads Mimo V2.5 in Reasoning at #15 against #82.

Coding › Web dev: As of Oct 15, 2026, GPT-6.1 Sol leads Mimo V2.5 in Coding › Web dev at #4 against #66.

Long context: As of Oct 15, 2026, GPT-6.1 Sol leads Mimo V2.5 in Long context at #18 against #79.

Factuality: As of Oct 15, 2026, GPT-6.1 Sol leads Mimo V2.5 in Factuality at #33 against #85.

GPT-6.1 Sol · Mimo V2.5

GPT-6.1 Sol or Mimo V2.5?

As of Oct 15, 2026, GPT-6.1 Sol leads Mimo V2.5 in 5 of 5 shared categories: General LLM, Reasoning, Coding › Web dev, Long context, and Factuality.

GPT-6.1 Sol or Mimo V2.5 for General LLM?

As of Oct 15, 2026, GPT-6.1 Sol leads Mimo V2.5 in General LLM at #18 against #97.

GPT-6.1 Sol or Mimo V2.5 for Reasoning?

As of Oct 15, 2026, GPT-6.1 Sol leads Mimo V2.5 in Reasoning at #15 against #82.

GPT-6.1 Sol or Mimo V2.5 for Coding › Web dev?

As of Oct 15, 2026, GPT-6.1 Sol leads Mimo V2.5 in Coding › Web dev at #4 against #66.