Compare · 2026-10-14

GPT-6.1 Sol vs Mistral Medium 3.5

As of Oct 14, 2026, GPT-6.1 Sol leads Mistral Medium 3.5 in 5 of 5 shared categories: General LLM, Reasoning, Coding › Web dev, Long context, and Factuality.

CategoryGPT-6.1 SolMistral Medium 3.5
General LLM
#18 · #18 in General LLM
Margin 12.244897959183675
LMArena leaderboard dataset · Oct 13, 2026
#82 · #82 in General LLM
Margin 55.78231292517007
LMArena leaderboard dataset · Oct 13, 2026
Reasoning
#15 · #15 in Reasoning
Margin 10.958904109589042
LMArena leaderboard dataset · Oct 13, 2026
#86 · #86 in Reasoning
Margin 59.58904109589041
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 2.803738317757009
LMArena leaderboard dataset · Oct 13, 2026
#99 · #99 in Coding › Web dev
Margin 91.58878504672897
LMArena leaderboard dataset · Oct 13, 2026
Long context
#17 · #17 in Long context
Margin 11.564625850340136
LMArena leaderboard dataset · Oct 13, 2026
#93 · #93 in Long context
Margin 63.265306122448976
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
#29 · #29 in Factuality
Margin 22.388059701492537
LMArena leaderboard dataset · Oct 13, 2026
#84 · #84 in Factuality
Margin 63.43283582089552
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.

Mistral Medium 3.5: $3 per 1M blended tokens.

Open weights

GPT-6.1 Sol: closed weights.

Mistral Medium 3.5: open weights.

Which to pick

General LLM: As of Oct 14, 2026, GPT-6.1 Sol leads Mistral Medium 3.5 in General LLM at #18 against #82.

Reasoning: As of Oct 14, 2026, GPT-6.1 Sol leads Mistral Medium 3.5 in Reasoning at #15 against #86.

Coding › Web dev: As of Oct 14, 2026, GPT-6.1 Sol leads Mistral Medium 3.5 in Coding › Web dev at #4 against #99.

Long context: As of Oct 14, 2026, GPT-6.1 Sol leads Mistral Medium 3.5 in Long context at #17 against #93.

Factuality: As of Oct 14, 2026, GPT-6.1 Sol leads Mistral Medium 3.5 in Factuality at #29 against #84.

GPT-6.1 Sol · Mistral Medium 3.5

GPT-6.1 Sol or Mistral Medium 3.5?

As of Oct 14, 2026, GPT-6.1 Sol leads Mistral Medium 3.5 in 5 of 5 shared categories: General LLM, Reasoning, Coding › Web dev, Long context, and Factuality.

GPT-6.1 Sol or Mistral Medium 3.5 for General LLM?

As of Oct 14, 2026, GPT-6.1 Sol leads Mistral Medium 3.5 in General LLM at #18 against #82.

GPT-6.1 Sol or Mistral Medium 3.5 for Reasoning?

As of Oct 14, 2026, GPT-6.1 Sol leads Mistral Medium 3.5 in Reasoning at #15 against #86.

GPT-6.1 Sol or Mistral Medium 3.5 for Coding › Web dev?

As of Oct 14, 2026, GPT-6.1 Sol leads Mistral Medium 3.5 in Coding › Web dev at #4 against #99.