LLM Comparison

GLM-5.2 vs GLM 5.1

Side-by-side specs, pricing & capabilities · Updated September 2026

Price vs Intelligence

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2/6 models

Same tier:

	GLM-5.2	GLM 5.1
Organization	Z.ai	Z.ai
OpenTools Score	58 20.0	55 27.0
Family	GLM	GLM
Status	Current	Current
Release Date	—	Apr 2026
Context Window	1.0M tokens	203K tokens
Input Price	$1.40/M tokens	$0.95/M tokens
Output Price	$4.40/M tokens	$3.15/M tokens
Pricing Notes	Artificial Analysis page reported Input $1.40 per 1M tokens, cache hit $0.26 per 1M tokens, Output $4.40 per 1M tokens, AA Briefcase Elo 1265.54, and median output speed 102.29 tokens/second for GLM-5.2 (max) during this run. Verify provider terms before production use.	Cache read: $0.4750/M tokens
Capabilities	textreasoninglong-context	textcode
Max Output	1.0M tokens	66K tokens
API Identifier	`glm-5.2-max`	`z-ai/glm-5.1`
Benchmarks
Artificial Analysis Intelligence Index v4.1	51.0858347714416Artificial Analysis model page	—
Artificial Analysis Intelligence Index v4.3	34https://artificialanalysis.ai/models/glm-5-2	26.4455artificial-analysis
GPQA Diamond	89.4949artificial-analysis	86.2https://huggingface.co/zai-org/GLM-5.1
SciCode	51.1574artificial-analysis	44.7917artificial-analysis
Terminal-Bench 2.1	77.9026artificial-analysis	61.7978artificial-analysis
	View GLM-5.2	View GLM 5.1

Cost Calculator

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Input tokens / month

Output tokens / month

Model	Input	Output	Total / mo	vs Best
GLM 5.1Cheapest	$0.95	$1.58	$2.53	—
GLM-5.2	$1.40	$2.20	$3.60	+43%

Z.ai

GLM-5.2

GLM-5.2 (max) is a Z AI text model tracked by Artificial Analysis. The page reports a 1 million token context window, text input and text output, a 51.09 Artificial Analysis Intelligence Index, and measured output speed around 102 tokens per second.

Z.ai

GLM 5.1

GLM 5.1 is a large language model from Z.ai. Supports up to 202,752 token context window. Available from $0.95/M input tokens.