Claude Sonnet 5 vs GLM 5.3
As of Oct 14, 2026, Claude Sonnet 5 leads GLM 5.3 in 0 of 8 shared categories.
Claude Sonnet 5
#19 Best current rank: #19 in Coding, as of Oct 14, 2026.
GLM 5.3
Yes. Yes on General LLM (open weights); Reasoning (best per dollar). Not the overall leader.
| Category | Claude Sonnet 5 | GLM 5.3 |
|---|---|---|
| General LLM | #39 · #39 in General LLM Margin 26.530612244897952 LMArena leaderboard dataset · Oct 13, 2026 | #23 · #23 in General LLM Margin 15.646258503401356 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #34 · #34 in Reasoning Margin 23.972602739726028 LMArena leaderboard dataset · Oct 13, 2026 | #19 · #19 in Reasoning Margin 13.698630136986296 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 | #32 · #32 in Science Margin — Epoch AI benchmarking hub · Jun 30, 2026 | #28 · #28 in Science Margin — Epoch AI benchmarking hub · Aug 14, 2026 |
| Coding | #19 · #19 in Coding Margin 95.45454545454545 Terminal-Bench Harbor Hub · Oct 6, 2026 | #7 · #7 in Coding Margin 36.36363636363637 Terminal-Bench Harbor Hub · Oct 6, 2026 |
| Coding › Agentic | #19 · #19 in Coding › Agentic Margin 95.45454545454545 Terminal-Bench Harbor Hub · Oct 6, 2026 | #7 · #7 in Coding › Agentic Margin 36.36363636363637 Terminal-Bench Harbor Hub · Oct 6, 2026 |
| Coding › Web dev | #38 · #38 in Coding › Web dev Margin 34.57943925233644 LMArena leaderboard dataset · Oct 13, 2026 | #18 · #18 in Coding › Web dev Margin 15.887850467289724 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #31 · #31 in Long context Margin 21.088435374149654 LMArena leaderboard dataset · Oct 13, 2026 | #27 · #27 in Long context Margin 18.367346938775512 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 | — |
| Factuality | #47 · #47 in Factuality Margin 35.82089552238806 LMArena leaderboard dataset · Oct 13, 2026 | #27 · #27 in Factuality Margin 20.895522388059703 LMArena leaderboard dataset · Oct 13, 2026 |
Claude Sonnet 5: $4.000000000000001 per 1M blended tokens.
GLM 5.3: $1.2592499999999998 per 1M blended tokens.
Claude Sonnet 5: closed weights.
GLM 5.3: open weights.
General LLM: As of Oct 14, 2026, GLM 5.3 leads Claude Sonnet 5 in General LLM at #23 against #39.
Reasoning: As of Oct 14, 2026, GLM 5.3 leads Claude Sonnet 5 in Reasoning at #19 against #34.
Science: As of Oct 14, 2026, GLM 5.3 leads Claude Sonnet 5 in Science at #28 against #32.
Coding: As of Oct 14, 2026, GLM 5.3 leads Claude Sonnet 5 in Coding at #7 against #19.
Coding › Agentic: As of Oct 14, 2026, GLM 5.3 leads Claude Sonnet 5 in Coding › Agentic at #7 against #19.
Coding › Web dev: As of Oct 14, 2026, GLM 5.3 leads Claude Sonnet 5 in Coding › Web dev at #18 against #38.
Long context: As of Oct 14, 2026, GLM 5.3 leads Claude Sonnet 5 in Long context at #27 against #31.
Factuality: As of Oct 14, 2026, GLM 5.3 leads Claude Sonnet 5 in Factuality at #27 against #47.
Claude Sonnet 5 or GLM 5.3?
As of Oct 14, 2026, Claude Sonnet 5 leads GLM 5.3 in 0 of 8 shared categories.
Claude Sonnet 5 or GLM 5.3 for General LLM?
As of Oct 14, 2026, GLM 5.3 leads Claude Sonnet 5 in General LLM at #23 against #39.
Claude Sonnet 5 or GLM 5.3 for Reasoning?
As of Oct 14, 2026, GLM 5.3 leads Claude Sonnet 5 in Reasoning at #19 against #34.
Claude Sonnet 5 or GLM 5.3 for Science?
As of Oct 14, 2026, GLM 5.3 leads Claude Sonnet 5 in Science at #28 against #32.