GLM-5.1

Reasoning

Creator

Z AI

Released

2026-04-07

Intelligence

51.4

Artificial Analysis Index

Coding

43.4

Artificial Analysis Index

In $/1M

$1.40

input tokens

Out $/1M

$4.40

output tokens

Blended $/1M

$2.15

3:1 blended

Speed

74

tokens / sec

Benchmark breakdown

Independent evaluation scores, normalized to 0–100.

GPQA Diamond
87
Humanity’s Last Exam
28
MMLU-Pro
SciCode
44
LiveCodeBench
MATH-500
AIME 2025
τ²-Bench (agentic)
98
Terminal-Bench Hard
43
IFBench
76
Via Artificial Analysis