Modeldex
Z.ai

GLM-5.3-FlashX

CTX1M
Reasoning · Vision · Tools
TextImageVideoPDFInput$0.37/M
TextOutput$1.25/M

High-speed GLM-5.3-Flash serving option for coding and agent workflows

Open weightsMIT1010/1040
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Z.aiTextCommon

GLM-5.3-FlashX

High-speed GLM-5.3-Flash serving option for coding and agent workflows

glm-5.3-flashx
Type
Text
Quality
Not rated yet
Context window
1,000,000 tokens
Max output
131,072 tokens
Input price
$0.37 / 1M tokens
Output price
$1.25 / 1M tokens
Cache read
$0.075 / 1M tokens
Cache write
Free
Released
Sep 18, 2026
Knowledge cutoff
—
Takes in
Text, Image, Video, PDF
Puts out
Text
Reasoning
Yes
Tool calling
Yes
Structured output
Yes
File attachments
Yes
Access
Open weights
License
MIT
Rarity
Common
Set number
1010/1040

No matching Hugging Face repo was found, so this shows Z.ai’s usual open-weight license. Check the model card before relying on it. Specs from models.dev, last changed Oct 18, 2026. Official source: docs.z.ai.

How good is it?

Public leaderboard scores for GLM-5.3-FlashX, refreshed daily from Epoch AI and LMArena.

No public leaderboard lists GLM-5.3-FlashX yet. Epoch AI and LMArena cover most chat, image, and video models from the big labs; embeddings, speech, and small open models mostly go unrated.

Where to run it

9 providers sell GLM-5.3-FlashX through an API. Prices are per million tokens, cheapest first.

API providers

ProviderInputOutputContext
OfoxCheapest paidz-ai/glm-5.3-flashx$0.15$0.501M
CommandCodez-ai/glm-5.3-flashx$0.37$1.251M
Kilo Gatewayz-ai/glm-5.3-flashx$0.37$1.251.05M
OpenRouterz-ai/glm-5.3-flashx$0.37$1.251.05M
Tempr Gatewayzai/glm-5.3-flashx$0.37$1.251M
Vercel AI Gatewayzai/glm-5.3-flashx$0.37$1.251M
Z.AIOfficialglm-5.3-flashx$0.37$1.251M
Zhipu AIglm-5.3-flashx$0.37$1.251M
ZenMuxz-ai/glm-5.3-flashx$0.38$1.251M

From models.dev and Hugging Face, checked daily. Resellers’ listings can lag behind their price pages, so confirm with the provider before you commit.

Face off

Current text models from other labs at a similar output price.

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