Z AI

Open GLM foundation models

Tier

Moderate

Headquarters

Beijing, China

Founded

2019

Flagship

GLM

Models tracked

18

Artificial Analysis

Top intelligence

51.4

Artificial Analysis Index

Cheapest model

$0.00

blended /1M

Fastest output

169

tokens / sec

Flagship

Z AI’s top-scoring model on the Artificial Analysis Intelligence Index.

Most intelligent model

GLM-5.1 (Reasoning)

Released 2026-04-07

Intelligence

51.4

Coding

43.4

Math

In $/1M

$1.40

Out $/1M

$4.40

Speed t/s

74

Benchmark breakdown

GPQA Diamond
87
Humanity’s Last Exam
28
SciCode
44
τ²-Bench (agentic)
98
Terminal-Bench Hard
43
IFBench
76

Models & benchmarks

Every Z AI model on file — intelligence, coding, price, and speed.

ModelReleasedIntelCodingMathIn $/1MOut $/1MSpeed t/sLatency s
GLM-5.1 (Reasoning)2026-04-0751.443.4$1.40$4.40740.86
GLM-5 (Reasoning)2026-02-1149.844.2$1.00$3.20810.89
GLM-5-Turbo2026-03-1546.836.8$0.00$0.0000.00
GLM-5.1 (Non-reasoning)2026-04-0743.835.8$1.40$4.40790.92
GLM 5V Turbo (Reasoning)2026-04-0142.936.2$0.00$0.0000.00
GLM-4.7 (Reasoning)2025-12-2242.136.395.0$0.60$2.20780.86
GLM-5 (Non-reasoning)2026-02-1140.639.0$1.00$3.20711.19
GLM-4.7 (Non-reasoning)2025-12-2234.232.048.0$0.60$2.20890.83
GLM-4.6 (Reasoning)2025-09-3032.529.586.0$0.55$2.20521.57
GLM-4.6 (Non-reasoning)2025-09-3030.230.244.3$0.60$2.20591.61
GLM-4.7-Flash (Reasoning)2026-01-1930.125.9$0.07$0.40770.99
GLM-4.5 (Reasoning)2025-07-2826.426.373.7$0.60$2.20531.22
GLM-4.6V (Reasoning)2025-12-0823.419.785.3$0.30$0.90861.58
GLM-4.5-Air2025-07-2823.223.880.7$0.17$0.98741.78
Via Artificial Analysis

Trajectory

Z AI’s model releases over time, by intelligence.

Jul 2025 · 26.4▲ +17.4 indexApr 2026 · 43.8

House strengths

Where Z AI’s lineup over-indexes, averaged across its models.

Overview

A Chinese foundation-model company (formerly Zhipu AI) behind the open GLM series, spun out of Tsinghua University research.

Visit Z AI