Compare · 2026-10-14

DeepSeek V4.1 Flash vs GPT-5.6 Sol

As of Oct 14, 2026, DeepSeek V4.1 Flash leads GPT-5.6 Sol in 1 of 8 shared categories: Coding › Web dev.

CategoryDeepSeek V4.1 FlashGPT-5.6 Sol
General LLM
#29 · #29 in General LLM
Margin 19.72789115646259
LMArena leaderboard dataset · Oct 13, 2026
#17 · #17 in General LLM
Margin 11.564625850340136
LMArena leaderboard dataset · Oct 13, 2026
Reasoning
#27 · #27 in Reasoning
Margin 19.178082191780817
LMArena leaderboard dataset · Oct 13, 2026
#12 · #12 in Reasoning
Margin 8.904109589041099
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
#36 · #36 in Science
Margin —
Epoch AI benchmarking hub · Sep 9, 2026
#13 · #13 in Science
Margin —
Epoch AI benchmarking hub · Jul 9, 2026
Coding
#— · Not enough data
Margin —
LMArena leaderboard dataset · Oct 13, 2026
#9 · #9 in Coding
Margin 45.45454545454545
Terminal-Bench Harbor Hub · Oct 6, 2026
Coding › Agentic—
#9 · #9 in Coding › Agentic
Margin 45.45454545454545
Terminal-Bench Harbor Hub · Oct 6, 2026
Coding › Web dev
#19 · #19 in Coding › Web dev
Margin 16.822429906542055
LMArena leaderboard dataset · Oct 13, 2026
#21 · Was SOTA · Coding › Web dev
Margin 18.691588785046733
LMArena leaderboard dataset · Oct 13, 2026
Long context
#32 · #32 in Long context
Margin 21.768707482993193
LMArena leaderboard dataset · Oct 13, 2026
#13 · #13 in Long context
Margin 8.84353741496598
LMArena leaderboard dataset · Oct 13, 2026
Vision
#21 · #21 in Vision
Margin 57.89473684210526
Epoch AI benchmarking hub · Sep 9, 2026
#3 · Near-SOTA · Vision
Margin 10.526315789473685
Epoch AI benchmarking hub · Jul 9, 2026
Factuality
#22 · #22 in Factuality
Margin 17.164179104477626
LMArena leaderboard dataset · Oct 13, 2026
#14 · #14 in Factuality
Margin 11.194029850746276
LMArena leaderboard dataset · Oct 13, 2026
Abstraction (ARC)
#8 · #8 in Abstraction (ARC)
Margin —
Epoch AI benchmarking hub · Sep 9, 2026
#3 · #3 in Abstraction (ARC)
Margin —
Epoch AI benchmarking hub · Jul 9, 2026
Price per 1M tokens

DeepSeek V4.1 Flash: $0.23787 per 1M blended tokens.

GPT-5.6 Sol: $4.000000000000001 per 1M blended tokens.

Open weights

DeepSeek V4.1 Flash: open weights.

GPT-5.6 Sol: closed weights.

Which to pick

General LLM: As of Oct 14, 2026, GPT-5.6 Sol leads DeepSeek V4.1 Flash in General LLM at #17 against #29.

Reasoning: As of Oct 14, 2026, GPT-5.6 Sol leads DeepSeek V4.1 Flash in Reasoning at #12 against #27.

Science: As of Oct 14, 2026, GPT-5.6 Sol leads DeepSeek V4.1 Flash in Science at #13 against #36.

Coding › Web dev: As of Oct 14, 2026, DeepSeek V4.1 Flash leads GPT-5.6 Sol in Coding › Web dev at #19 against #21.

Long context: As of Oct 14, 2026, GPT-5.6 Sol leads DeepSeek V4.1 Flash in Long context at #13 against #32.

Vision: As of Oct 14, 2026, GPT-5.6 Sol leads DeepSeek V4.1 Flash in Vision at #3 against #21.

Factuality: As of Oct 14, 2026, GPT-5.6 Sol leads DeepSeek V4.1 Flash in Factuality at #14 against #22.

Abstraction (ARC): As of Oct 14, 2026, GPT-5.6 Sol leads DeepSeek V4.1 Flash in Abstraction (ARC) at #3 against #8.

DeepSeek V4.1 Flash · GPT-5.6 Sol

DeepSeek V4.1 Flash or GPT-5.6 Sol?

As of Oct 14, 2026, DeepSeek V4.1 Flash leads GPT-5.6 Sol in 1 of 8 shared categories: Coding › Web dev.

DeepSeek V4.1 Flash or GPT-5.6 Sol for General LLM?

As of Oct 14, 2026, GPT-5.6 Sol leads DeepSeek V4.1 Flash in General LLM at #17 against #29.

DeepSeek V4.1 Flash or GPT-5.6 Sol for Reasoning?

As of Oct 14, 2026, GPT-5.6 Sol leads DeepSeek V4.1 Flash in Reasoning at #12 against #27.

DeepSeek V4.1 Flash or GPT-5.6 Sol for Science?

As of Oct 14, 2026, GPT-5.6 Sol leads DeepSeek V4.1 Flash in Science at #13 against #36.