Sunday, September 20, 2026 · No. 420Prices synced 3 hours ago
All·AI·Model

The AI Model Price Index

Z.ai: GLM 5.3 FlashX

by Kilo Gateway · family glm · listed Sep 2026RTV

GLM-5.3-FlashX is the high-speed variant of Z.ai's GLM-5.3-Flash, a native multimodal model delivering inference speeds of up to 200 tokens/s. Built on the same hybrid sparse and linear attention architecture...

Current rates USD per 1M tokens

Input$0.37
Output$1.25
Cache read$0.075
Cache write

Against the market

Input price vs. maker flagships ($/1M tokens)
DeepSeek V4 Flash Vision ExpDeepSeek V4 Flash Vision Exp: $0.15 per 1M tokens$0.15Qwen3.8 FlashQwen3.8 Flash: $0.15 per 1M tokens$0.15Z.ai: GLM 5.3 FlashXZ.ai: GLM 5.3 FlashX: $0.37 per 1M tokens$0.37Gemini 3.8 FlashGemini 3.8 Flash: $0.75 per 1M tokens$0.75GLM-5.3GLM-5.3: $1.40 per 1M tokens$1.40Grok 4.6Grok 4.6: $2.00 per 1M tokens$2.00Claude Fable 5.1Claude Fable 5.1: $10.00 per 1M tokens$10.00GPT-6 AstraGPT-6 Astra: $10.00 per 1M tokens$10.00
Output price vs. maker flagships ($/1M tokens)
Qwen3.8 FlashQwen3.8 Flash: $0.47 per 1M tokens$0.47DeepSeek V4 Flash Vision ExpDeepSeek V4 Flash Vision Exp: $0.60 per 1M tokens$0.60Z.ai: GLM 5.3 FlashXZ.ai: GLM 5.3 FlashX: $1.25 per 1M tokens$1.25Gemini 3.8 FlashGemini 3.8 Flash: $3.75 per 1M tokens$3.75GLM-5.3GLM-5.3: $4.40 per 1M tokens$4.40Grok 4.6Grok 4.6: $6.00 per 1M tokens$6.00Claude Fable 5.1Claude Fable 5.1: $50.00 per 1M tokens$50.00GPT-6 AstraGPT-6 Astra: $50.00 per 1M tokens$50.00

On the record

Model id
z-ai/glm-5.3-flashx
Context window
1.0M tokens
Max output
131K tokens
Input modalities
text, image, video
Output modalities
text
Reasoning
yes
Tool calls
yes
Open weights
no
Knowledge cutoff
Released
2026-09-18
Last updated
2026-09-18
Provider docs
kilo.ai

Back of the envelope

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