Gemini 3.8 Flash vs GLM 5.1
As of Oct 14, 2026, Gemini 3.8 Flash leads GLM 5.1 in 6 of 6 shared categories: General LLM, Reasoning, Science, Coding › Web dev, 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 5.1
It used to be. Was SOTA in Reasoning.
| Category | Gemini 3.8 Flash | GLM 5.1 |
|---|---|---|
| General LLM | #7 · Was SOTA · General LLM Margin 4.761904761904759 LMArena leaderboard dataset · Oct 13, 2026 | #37 · #37 in General LLM Margin 25.17006802721089 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #6 · #6 in Reasoning Margin 4.794520547945211 LMArena leaderboard dataset · Oct 13, 2026 | #36 · #36 in Reasoning Margin 25.342465753424662 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 | #35 · #35 in Science Margin — Epoch AI benchmarking hub · Apr 7, 2026 |
| Coding | #15 · #15 in Coding Margin 72.72727272727272 Terminal-Bench Harbor Hub · Oct 6, 2026 | #— · Not enough data Margin — Epoch AI benchmarking hub · Apr 7, 2026 |
| Coding › Agentic | #15 · #15 in Coding › Agentic Margin 72.72727272727272 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 | #46 · Was SOTA · Coding › Web dev Margin 42.05607476635514 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | #5 · Near-SOTA · Long context Margin 3.401360544217681 LMArena leaderboard dataset · Oct 13, 2026 | #36 · Was SOTA · Long context Margin 24.48979591836735 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 | #38 · #38 in Factuality Margin 29.104477611940297 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 5.1: $2.0425 per 1M blended tokens.
Gemini 3.8 Flash: closed weights.
GLM 5.1: open weights.
General LLM: As of Oct 14, 2026, Gemini 3.8 Flash leads GLM 5.1 in General LLM at #7 against #37.
Reasoning: As of Oct 14, 2026, Gemini 3.8 Flash leads GLM 5.1 in Reasoning at #6 against #36.
Science: As of Oct 14, 2026, Gemini 3.8 Flash leads GLM 5.1 in Science at #4 against #35.
Coding › Web dev: As of Oct 14, 2026, Gemini 3.8 Flash leads GLM 5.1 in Coding › Web dev at #27 against #46.
Long context: As of Oct 14, 2026, Gemini 3.8 Flash leads GLM 5.1 in Long context at #5 against #36.
Factuality: As of Oct 14, 2026, Gemini 3.8 Flash leads GLM 5.1 in Factuality at #17 against #38.
Gemini 3.8 Flash or GLM 5.1?
As of Oct 14, 2026, Gemini 3.8 Flash leads GLM 5.1 in 6 of 6 shared categories: General LLM, Reasoning, Science, Coding › Web dev, Long context, and Factuality.
Gemini 3.8 Flash or GLM 5.1 for General LLM?
As of Oct 14, 2026, Gemini 3.8 Flash leads GLM 5.1 in General LLM at #7 against #37.
Gemini 3.8 Flash or GLM 5.1 for Reasoning?
As of Oct 14, 2026, Gemini 3.8 Flash leads GLM 5.1 in Reasoning at #6 against #36.
Gemini 3.8 Flash or GLM 5.1 for Science?
As of Oct 14, 2026, Gemini 3.8 Flash leads GLM 5.1 in Science at #4 against #35.