Gemini 3.8 Flash vs GLM 5.3
As of Oct 14, 2026, Gemini 3.8 Flash leads GLM 5.3 in 5 of 8 shared categories: General LLM, Reasoning, Science, Long context, and Factuality.
Gemini 3.8 Flash
Yes. Yes on General LLM (best per dollar); Reasoning (best per dollar). Not the overall leader.
GLM 5.3
Yes. Yes on General LLM (open weights); Reasoning (best per dollar). Not the overall leader.
| Category | Gemini 3.8 Flash | GLM 5.3 |
|---|---|---|
| General LLM | #7 · Was SOTA · General LLM Margin 4.761904761904759 LMArena leaderboard dataset · Oct 13, 2026 | #23 · #23 in General LLM Margin 15.646258503401356 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #6 · #6 in Reasoning Margin 4.794520547945211 LMArena leaderboard dataset · Oct 13, 2026 | #19 · #19 in Reasoning Margin 13.698630136986296 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | #5 · #5 in Math Margin 8.888888888888886 Epoch AI benchmarking hub · Sep 2, 2026 | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Science | #4 · #4 in Science Margin — Epoch AI benchmarking hub · Sep 2, 2026 | #28 · #28 in Science Margin — Epoch AI benchmarking hub · Aug 14, 2026 |
| Coding | #15 · #15 in Coding Margin 72.72727272727272 Terminal-Bench Harbor Hub · Oct 6, 2026 | #7 · #7 in Coding Margin 36.36363636363637 Terminal-Bench Harbor Hub · Oct 6, 2026 |
| Coding › Agentic | #15 · #15 in Coding › Agentic Margin 72.72727272727272 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 | #27 · #27 in Coding › Web dev Margin 24.29906542056075 LMArena leaderboard dataset · Oct 13, 2026 | #18 · #18 in Coding › Web dev Margin 15.887850467289724 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #5 · Near-SOTA · Long context Margin 3.401360544217681 LMArena leaderboard dataset · Oct 13, 2026 | #27 · #27 in Long context Margin 18.367346938775512 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #15 · #15 in Vision Margin 42.10526315789474 Epoch AI benchmarking hub · Sep 2, 2026 | — |
| Factuality | #17 · #17 in Factuality Margin 13.43283582089552 LMArena leaderboard dataset · Oct 13, 2026 | #27 · #27 in Factuality Margin 20.895522388059703 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | #1 · #1 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Sep 2, 2026 | — |
Gemini 3.8 Flash: $1.5 per 1M blended tokens.
GLM 5.3: $1.2592499999999998 per 1M blended tokens.
Gemini 3.8 Flash: closed weights.
GLM 5.3: open weights.
General LLM: As of Oct 14, 2026, Gemini 3.8 Flash leads GLM 5.3 in General LLM at #7 against #23.
Reasoning: As of Oct 14, 2026, Gemini 3.8 Flash leads GLM 5.3 in Reasoning at #6 against #19.
Science: As of Oct 14, 2026, Gemini 3.8 Flash leads GLM 5.3 in Science at #4 against #28.
Coding: As of Oct 14, 2026, GLM 5.3 leads Gemini 3.8 Flash in Coding at #7 against #15.
Coding › Agentic: As of Oct 14, 2026, GLM 5.3 leads Gemini 3.8 Flash in Coding › Agentic at #7 against #15.
Coding › Web dev: As of Oct 14, 2026, GLM 5.3 leads Gemini 3.8 Flash in Coding › Web dev at #18 against #27.
Long context: As of Oct 14, 2026, Gemini 3.8 Flash leads GLM 5.3 in Long context at #5 against #27.
Factuality: As of Oct 14, 2026, Gemini 3.8 Flash leads GLM 5.3 in Factuality at #17 against #27.
Gemini 3.8 Flash or GLM 5.3?
As of Oct 14, 2026, Gemini 3.8 Flash leads GLM 5.3 in 5 of 8 shared categories: General LLM, Reasoning, Science, Long context, and Factuality.
Gemini 3.8 Flash or GLM 5.3 for General LLM?
As of Oct 14, 2026, Gemini 3.8 Flash leads GLM 5.3 in General LLM at #7 against #23.
Gemini 3.8 Flash or GLM 5.3 for Reasoning?
As of Oct 14, 2026, Gemini 3.8 Flash leads GLM 5.3 in Reasoning at #6 against #19.
Gemini 3.8 Flash or GLM 5.3 for Science?
As of Oct 14, 2026, Gemini 3.8 Flash leads GLM 5.3 in Science at #4 against #28.