GLM-5.3-FlashX

GLM-5.3-FlashX: a glm-flash model from Zhipu AI, ~1M context

Published

scheduleReleased：September 18, 2026

GLM-5.3-FlashX is a glm-flash model from Zhipu AI (~1M context, input around $0.37/1M tokens). Suitable for assistants, content generation, knowledge Q&A and business automation

starsCapabilities

visibilityVision understandingcodeFunction callingdata_objectStructured output

paymentsContext and pricing

Context limit1,000,000

Max output131,072

Input price$0.37/ 1M tokens

Output price$1.25/ 1M tokens

Cached input price$0.075/ 1M tokens

descriptionOverview

Overview

GLM-5.3-FlashX is provided by Zhipu AI, model ID glm-5.3-flashx

Key specs

Context: 1M tokens
Max output: 131.1K tokens
Input price: $0.37/1M
Output price: $1.25/1M

Best for

Consider GLM-5.3-FlashX when comparing context length, pricing, multimodal support and relay availability

lightbulbUse cases

Image and multimodal Q&A
Visual content analysis
Document and screenshot understanding

thumb_upStrengths

Very long context (~1M), good for long documents and codebases
Open weights, can be self-hosted
Supports image and multimodal input
High single-response output limit (~131.1K)

infoLimitations

Pricing and availability vary by upstream and relay; verify with official docs and tests

linkReferences

open_in_newhttps://docs.bigmodel.cn/