# Gemini 3.8 Flash vs GLM 5.3

As of Oct 15, 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: $1.5 per 1M blended tokens.

GLM 5.3: $1.275 per 1M blended tokens.

Gemini 3.8 Flash: closed weights.

GLM 5.3: open weights.

- Which to pick, General LLM: As of Oct 15, 2026, Gemini 3.8 Flash leads GLM 5.3 in General LLM at #7 against #24.
- Which to pick, Reasoning: As of Oct 15, 2026, Gemini 3.8 Flash leads GLM 5.3 in Reasoning at #6 against #19.
- Which to pick, Science: As of Oct 15, 2026, Gemini 3.8 Flash leads GLM 5.3 in Science at #4 against #28.
- Which to pick, Coding: As of Oct 15, 2026, GLM 5.3 leads Gemini 3.8 Flash in Coding at #7 against #15.
- Which to pick, Coding › Agentic: As of Oct 15, 2026, GLM 5.3 leads Gemini 3.8 Flash in Coding › Agentic at #7 against #15.
- Which to pick, Coding › Web dev: As of Oct 15, 2026, GLM 5.3 leads Gemini 3.8 Flash in Coding › Web dev at #20 against #29.
- Which to pick, Long context: As of Oct 15, 2026, Gemini 3.8 Flash leads GLM 5.3 in Long context at #5 against #31.
- Which to pick, Factuality: As of Oct 15, 2026, Gemini 3.8 Flash leads GLM 5.3 in Factuality at #19 against #31.

As of Oct 15, 2026, Gemini 3.8 Flash is state of the art on best per dollar in General LLM (since Oct 14, 2026; sources LMArena Text (style-controlled, overall); methodology v1.0).

As of Oct 15, 2026, GLM 5.3 is tied for state of the art in General LLM (since Oct 13, 2026; sources LMArena Text (style-controlled, overall); methodology v1.0).