Z.AI's list price for its own API, as compiled by models.dev and checked Oct 10, 2026, 09:00 UTC. Prices on cloud platforms and resellers can differ. Provider documentation
Monthly cost by workload
Workload
GLM-5.3-FlashX
Grok Build 0.1
Chatbot1,000 in / 500 out tokens, 10,000 requests a day
$298.50/mo
$600.00/mo
RAG8,000 in / 500 out tokens, 5,000 requests a day
$537.75/mo
$1,350/mo
Coding agent50,000 in / 2,000 out tokens, 1,000 requests a day, 80% cached input
$276.00/mo
$660.00/mo
Cost = input tokens × input price + output tokens × output price, 30 days a month. Cached input uses the cache read price. Cache write fees are not included.
Context and capabilities
GLM-5.3-FlashX
Grok Build 0.1
Context
1,000,000 tokens
256,000 tokens
Max output
131,072 tokens
256,000 tokens
Input
text, image, video, pdf
text, image, pdf
Tool calling
Yes
Yes
Reasoning
Yes
Yes
Structured outputs
Yes
Yes
Questions
What is the price difference between GLM-5.3-FlashX and Grok Build 0.1?
GLM-5.3-FlashX: $0.37 per 1M input tokens and $1.25 per 1M output tokens. Grok Build 0.1: $1.00 per 1M input tokens and $2.00 per 1M output tokens. For the Chatbot workload (1,000 in / 500 out tokens, 10,000 requests a day), that is about $298.50 per month for GLM-5.3-FlashX and $600.00 for Grok Build 0.1.
Which has the longer context window, GLM-5.3-FlashX or Grok Build 0.1?
GLM-5.3-FlashX has the longer context window: up to 1,000,000 tokens, compared with 256,000 for Grok Build 0.1.
Do GLM-5.3-FlashX and Grok Build 0.1 have prompt caching and batch prices?
GLM-5.3-FlashX: cached input $0.075 per 1M tokens; no batch price published. Grok Build 0.1: cached input $0.20 per 1M tokens; no batch price published.