GLM 5.3 vs GPT-5.6 Terra
As of Oct 14, 2026, GLM 5.3 leads GPT-5.6 Terra in 6 of 8 shared categories: General LLM, Reasoning, Coding, Coding › Agentic, Coding › Web dev, and Long context.
GLM 5.3
Yes. Yes on General LLM (open weights); Reasoning (best per dollar). Not the overall leader.
GPT-5.6 Terra
#4 Best recorded rank: #4 in Abstraction (ARC), as of Oct 14, 2026.
| Category | GLM 5.3 | GPT-5.6 Terra |
|---|---|---|
| General LLM | #23 · #23 in General LLM Margin 15.646258503401356 LMArena leaderboard dataset · Oct 13, 2026 | #35 · #35 in General LLM Margin 23.80952380952381 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #19 · #19 in Reasoning Margin 13.698630136986296 LMArena leaderboard dataset · Oct 13, 2026 | #35 · #35 in Reasoning Margin 24.657534246575338 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 | #28 · #28 in Science Margin — Epoch AI benchmarking hub · Aug 14, 2026 | #15 · #15 in Science Margin — Epoch AI benchmarking hub · Jul 9, 2026 |
| Coding | #7 · #7 in Coding Margin 36.36363636363637 Terminal-Bench Harbor Hub · Oct 6, 2026 | #13 · #13 in Coding Margin 63.63636363636363 Terminal-Bench Harbor Hub · Oct 6, 2026 |
| Coding › Agentic | #7 · #7 in Coding › Agentic Margin 36.36363636363637 Terminal-Bench Harbor Hub · Oct 6, 2026 | #13 · #13 in Coding › Agentic Margin 63.63636363636363 Terminal-Bench Harbor Hub · Oct 6, 2026 |
| Coding › Web dev | #18 · #18 in Coding › Web dev Margin 15.887850467289724 LMArena leaderboard dataset · Oct 13, 2026 | #42 · #42 in Coding › Web dev Margin 38.3177570093458 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #27 · #27 in Long context Margin 18.367346938775512 LMArena leaderboard dataset · Oct 13, 2026 | #46 · #46 in Long context Margin 31.292517006802726 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | — | #11 · #11 in Vision Margin 31.578947368421055 Epoch AI benchmarking hub · Jul 9, 2026 |
| Factuality | #27 · #27 in Factuality Margin 20.895522388059703 LMArena leaderboard dataset · Oct 13, 2026 | #24 · #24 in Factuality Margin 18.656716417910445 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | — | #4 · #4 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Jul 9, 2026 |
GLM 5.3: $1.2592499999999998 per 1M blended tokens.
GPT-5.6 Terra: $4.5 per 1M blended tokens.
GLM 5.3: open weights.
GPT-5.6 Terra: closed weights.
General LLM: As of Oct 14, 2026, GLM 5.3 leads GPT-5.6 Terra in General LLM at #23 against #35.
Reasoning: As of Oct 14, 2026, GLM 5.3 leads GPT-5.6 Terra in Reasoning at #19 against #35.
Science: As of Oct 14, 2026, GPT-5.6 Terra leads GLM 5.3 in Science at #15 against #28.
Coding: As of Oct 14, 2026, GLM 5.3 leads GPT-5.6 Terra in Coding at #7 against #13.
Coding › Agentic: As of Oct 14, 2026, GLM 5.3 leads GPT-5.6 Terra in Coding › Agentic at #7 against #13.
Coding › Web dev: As of Oct 14, 2026, GLM 5.3 leads GPT-5.6 Terra in Coding › Web dev at #18 against #42.
Long context: As of Oct 14, 2026, GLM 5.3 leads GPT-5.6 Terra in Long context at #27 against #46.
Factuality: As of Oct 14, 2026, GPT-5.6 Terra leads GLM 5.3 in Factuality at #24 against #27.
GLM 5.3 or GPT-5.6 Terra?
As of Oct 14, 2026, GLM 5.3 leads GPT-5.6 Terra in 6 of 8 shared categories: General LLM, Reasoning, Coding, Coding › Agentic, Coding › Web dev, and Long context.
GLM 5.3 or GPT-5.6 Terra for General LLM?
As of Oct 14, 2026, GLM 5.3 leads GPT-5.6 Terra in General LLM at #23 against #35.
GLM 5.3 or GPT-5.6 Terra for Reasoning?
As of Oct 14, 2026, GLM 5.3 leads GPT-5.6 Terra in Reasoning at #19 against #35.
GLM 5.3 or GPT-5.6 Terra for Science?
As of Oct 14, 2026, GPT-5.6 Terra leads GLM 5.3 in Science at #15 against #28.