Grok 4.6 vs GLM-5.3

xAI's Grok 4.6 and Zhipu AI's GLM-5.3 compared on specs, pricing, and capabilities — as configured in AI Crucible ensembles.

GLM-5.3 input tokens are 1.4x cheaper than Grok 4.6 ($1.68 vs $2.40 per 1M tokens).
GLM-5.3 output tokens are 1.4x cheaper than Grok 4.6 ($5.28 vs $7.20 per 1M tokens).
GLM-5.3 offers the larger context window: 1M tokens vs 500K tokens for Grok 4.6.
Grok 4.6 accepts image inputs; GLM-5.3 is text-only in AI Crucible.

Specification	Grok 4.6	GLM-5.3
Provider	xAI	Zhipu AI
API model ID	grok-4.6	zai-org/GLM-5.3
Description	xAI's frontier model for coding, agentic tasks, and knowledge work, with 500K context.	Z.AI's frontier open-weight model for coding and agentic work, with always-on reasoning and 1M context.
Context window	500K tokens	1M tokens
Max output tokens	32,768	131,072
Input cost ($/1M tokens)	$2.40	$1.68
Output cost ($/1M tokens)	$7.20	$5.28
Cache read cost ($/1M tokens)	$0.60	$0.31
Latency	medium	medium
Reasoning model	Yes	Yes
Vision (image input)	Yes	No
Tool use	Yes	Yes