Compare · 2026-10-14

GLM 4 6V vs GPT-5.5

As of Oct 14, 2026, GLM 4 6V leads GPT-5.5 in 0 of 4 shared categories.

CategoryGLM 4 6VGPT-5.5
General LLM
#137 · #137 in General LLM
Margin 93.19727891156462
LMArena leaderboard dataset · Oct 13, 2026
#21 · Was SOTA · General LLM
Margin 14.285714285714292
LMArena leaderboard dataset · Oct 13, 2026
Reasoning
#145 · #145 in Reasoning
Margin 100
LMArena leaderboard dataset · Oct 13, 2026
#25 · #25 in Reasoning
Margin 17.808219178082197
LMArena leaderboard dataset · Oct 13, 2026
Math—
#— · Not enough data
Margin —
LMArena leaderboard dataset · Oct 13, 2026
Science—
#30 · #30 in Science
Margin —
Epoch AI benchmarking hub · Apr 23, 2026
Coding
#— · Not enough data
Margin —
LMArena leaderboard dataset · Oct 13, 2026
#— · Not enough data
Margin —
LMArena leaderboard dataset · Oct 13, 2026
Coding › Web dev—
#44 · #44 in Coding › Web dev
Margin 40.18691588785047
LMArena leaderboard dataset · Oct 13, 2026
Long context
#137 · #137 in Long context
Margin 93.19727891156462
LMArena leaderboard dataset · Oct 13, 2026
#23 · Was SOTA · Long context
Margin 15.646258503401356
LMArena leaderboard dataset · Oct 13, 2026
Vision
#— · Not enough data
Margin —
LMArena leaderboard dataset · Oct 9, 2026
#10 · Was SOTA · Vision
Margin 28.94736842105263
Epoch AI benchmarking hub · Apr 23, 2026
Factuality
#111 · #111 in Factuality
Margin 83.58208955223881
LMArena leaderboard dataset · Oct 13, 2026
#5 · Was SOTA · Factuality
Margin 4.477611940298502
LMArena leaderboard dataset · Oct 13, 2026
Abstraction (ARC)—
#7 · #7 in Abstraction (ARC)
Margin —
Epoch AI benchmarking hub · Apr 23, 2026
Price per 1M tokens

GLM 4 6V: $0.44999999999999996 per 1M blended tokens.

GPT-5.5: $11.25 per 1M blended tokens.

Open weights

GLM 4 6V: open weights.

GPT-5.5: closed weights.

Which to pick

General LLM: As of Oct 14, 2026, GPT-5.5 leads GLM 4 6V in General LLM at #21 against #137.

Reasoning: As of Oct 14, 2026, GPT-5.5 leads GLM 4 6V in Reasoning at #25 against #145.

Long context: As of Oct 14, 2026, GPT-5.5 leads GLM 4 6V in Long context at #23 against #137.

Factuality: As of Oct 14, 2026, GPT-5.5 leads GLM 4 6V in Factuality at #5 against #111.

GLM 4 6V · GPT-5.5

GLM 4 6V or GPT-5.5?

As of Oct 14, 2026, GLM 4 6V leads GPT-5.5 in 0 of 4 shared categories.

GLM 4 6V or GPT-5.5 for General LLM?

As of Oct 14, 2026, GPT-5.5 leads GLM 4 6V in General LLM at #21 against #137.

GLM 4 6V or GPT-5.5 for Reasoning?

As of Oct 14, 2026, GPT-5.5 leads GLM 4 6V in Reasoning at #25 against #145.

GLM 4 6V or GPT-5.5 for Long context?

As of Oct 14, 2026, GPT-5.5 leads GLM 4 6V in Long context at #23 against #137.