Z.ai: GLM 5.3 Flash (batch)

GLM-5.3-Flash is a native multimodal model from Z.ai.

Context
1.0M
Max output
131K
Input price
$0.05/1M tokens
Output price
$0.18/1M tokens

Capabilities

Reasoning & Interaction
Reasoning
Tool Calling
Output Control
Structured Output
JSON Mode

Details

Model IDz-ai/glm-5.3-flash:batch
Provider OpenRouter
Creator z-ai
Familyglm-5.3
License—
Status—
Typechat
Input modalitiestext, image, video
Output modalitiestext
Open weight—
Parameters—
Architecture—
Context window1.0M tokens
Max input—
Max output131K tokens
Reasoning tokens—
Knowledge cutoff—
Release date
Sourceofficial

Tools

Function Callingfunction_calling
Call external functions and APIs

Pricing

Input
$0.05
Output
$0.18
Cache write
—
Cache read
$0.01
Batch in
—
Batch out
—

Family Comparison: glm-5.3

ModelContextMax outPricing
Z.ai: GLM 5.3 Flash1.0M131K$0.05$0.07
Z.ai: GLM 5.3 Flash (batch)1.0M131K$0.05$0.18
Z.ai: GLM 5.31.0M944K$0.08$3.6
Z.ai: GLM 5.3 FlashX1.0M131K$0.37$1.25
Z.ai: GLM 5.3 (batch)1.0M131K$0.45$2
Z.ai: GLM 5.3 Prime1M131K$2.8$8.8

API

GET/v1/models/openrouter/z-ai/glm-5.3-flash:batch

Z.ai: GLM 5.3 Flash (batch)

z-ai/glm-5.3-flash:batch

GLM-5.3-Flash is a native multimodal model from Z.ai.

Changes · 5 entries
z-ai/glm-5.3-flash:batchcreateca7a400Nov 2, 2026, 03:02 AM
z-ai/glm-5.3-flash:batchupdatebcf2693Oct 16, 2026, 06:36 AM
pricinginput$0.06→$0.05output$0.2→$0.18cached input$0.012→$0.01
z-ai/glm-5.3-flash:batchupdate28ec4f5Sep 23, 2026, 06:40 AM
max_output_tokens943718→131072
pricinginput$0.075→$0.06output$0.25→$0.2cached input$0.015→$0.012
z-ai/glm-5.3-flash:batchupdate79684d6Sep 9, 2026, 06:38 AM
context_window1048575→1048576
max_output_tokens943717→943718
pricinginput$0.15→$0.075output$0.5→$0.25cached input$0.03→$0.015
z-ai/glm-5.3-flash:batchcreatee3d7dedAug 31, 2026, 04:13 AM