# GLM 5.1 vs GPT-6 Sol

As of Oct 15, 2026, GLM 5.1 leads GPT-6 Sol in 4 of 6 shared categories: General LLM, Reasoning, Long context, and Factuality.

GLM 5.1: $1.4834999999999998 per 1M blended tokens.

GPT-6 Sol: $4.000000000000001 per 1M blended tokens.

GLM 5.1: open weights.

GPT-6 Sol: closed weights.

- Which to pick, General LLM: As of Oct 15, 2026, GLM 5.1 leads GPT-6 Sol in General LLM at #46 against #54.
- Which to pick, Reasoning: As of Oct 15, 2026, GLM 5.1 leads GPT-6 Sol in Reasoning at #42 against #49.
- Which to pick, Science: As of Oct 15, 2026, GPT-6 Sol leads GLM 5.1 in Science at #8 against #35.
- Which to pick, Coding › Web dev: As of Oct 15, 2026, GPT-6 Sol leads GLM 5.1 in Coding › Web dev at #7 against #50.
- Which to pick, Long context: As of Oct 15, 2026, GLM 5.1 leads GPT-6 Sol in Long context at #42 against #57.
- Which to pick, Factuality: As of Oct 15, 2026, GLM 5.1 leads GPT-6 Sol in Factuality at #44 against #88.

As of Oct 15, 2026, GLM 5.1 is a former state-of-the-art holder in Reasoning (since May 27, 2026; sources LMArena Text (style-controlled, hard prompts); methodology v1.0).

As of Oct 15, 2026, GPT-6 Sol is ranked #5 in Coding (since Oct 15, 2026; sources Terminal-Bench 4.0; methodology v1.0).