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
Qwen3.8 Flash
Chatbot1,000 in / 500 out tokens, 10,000 requests a day
$298.50/mo
$115.50/mo
RAG8,000 in / 500 out tokens, 5,000 requests a day
$537.75/mo
$215.25/mo
Coding agent50,000 in / 2,000 out tokens, 1,000 requests a day, 80% cached input
$276.00/mo
$92.40/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
Qwen3.8 Flash
Context
1,000,000 tokens
1,000,000 tokens
Max output
131,072 tokens
131,072 tokens
Input
text, image, video, pdf
text, image, video
Tool calling
Yes
Yes
Reasoning
Yes
Yes
Structured outputs
Yes
Yes
Questions
What is the price difference between GLM-5.3-FlashX and Qwen3.8 Flash?
GLM-5.3-FlashX: $0.37 per 1M input tokens and $1.25 per 1M output tokens. Qwen3.8 Flash: $0.15 per 1M input tokens and $0.47 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 $115.50 for Qwen3.8 Flash.
Which has the longer context window, GLM-5.3-FlashX or Qwen3.8 Flash?
Both accept up to 1,000,000 tokens of context.
Do GLM-5.3-FlashX and Qwen3.8 Flash have prompt caching and batch prices?
GLM-5.3-FlashX: cached input $0.075 per 1M tokens; no batch price published. Qwen3.8 Flash: cached input $0.016 per 1M tokens; no batch price published.