GLM-5.1 by Z.ai

GLM-5.1 by Z.ai is listed on Arena.ai’s Text Arena. As of 12 November 2026 it holds #58 of 421 models.

Where it stands

Platform: Arena.ai — Text Arena. Position: #58.

• Arena score: 1465±4
• Votes: 67 009
• Price per 1M tokens (input/output): $1.40 / $4.40
• Context: 202.8K

What it is

• Developer: Z.ai
• Licence: MIT
• Arena: Text Arena
• Model page: primary source

How to read the figures

The Arena score comes from pairwise chat comparisons, not a guarantee for your own task. Rankings, prices and context windows change; check the primary source before deciding.

Sources

1. Arena.ai, Text Arena leaderboard, 12 November 2026 — leaderboard
2. Model primary source — link

Prepared by the Listing AI desk from Arena.ai’s public leaderboard. It describes ranking data; it is not an independent review or test.