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Zhipu AI: GLM-5.3

Flagship GLM model for long-horizon coding, agents, and complex project delivery

Source-linked glm Closed weights Released 2026-08-14
API record Report
InputT
OutputT
Input price$1.2/M
Output price$4.2/M
Context1M
Max output131.072K
Providers4
Inference availability

Providers

Provider-specific identifiers, limits, and listed prices per million tokens. Every row links back to the provider's own documentation.

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Providers offering GLM-5.3
ProviderProvider model IDContextMax outputInputOutputCache readCapabilitiesDocs
Z.AI Coding Plan glm-5.3 1M 131.072K ReasoningToolsJSON Docs ↗
Zhipu AI Coding Plan glm-5.3 1M 131.072K ReasoningToolsJSON Docs ↗
Vivgrid glm-5.3 1M 131.072K $1.2 $4.2 $0.26 ReasoningToolsJSON Docs ↗
OpenCode Go glm-5.3 1M 131.072K $1.4 $4.4 $0.26 ReasoningToolsJSON Docs ↗

Capability badges appear only where the provider catalog explicitly lists support. A blank cell means the source is silent, not that the feature is absent.

Listed rates

Price across providers

Input price per million tokens as published by each provider. Bars are drawn from listed rates only — no traffic weighting, since the catalog observes no requests.

Lowest input $1.2/M

Across 2 priced providers

Median input $1.3/M

Midpoint of listed rates

Highest input $1.4/M

1.2× the lowest listed rate

Output range $4.2 – $4.4

Per million output tokens

Vivgrid $1.2/MLowest
OpenCode Go $1.4/M
Cost calculator

Estimate a workload

$0.00
Excludes taxes, non-token charges, and tiered discounts.
Specification

Capabilities

Recorded from the source catalog and provider listings.

Reasoning Yes
Tool calling Yes
Structured output Yes
× Attachments No
× Vision input No
× Open weights No
Creator
Zhipu AI
Model family
glm
Knowledge cutoff
Not documented
License
Not documented
Release date
2026-08-14
Model ID
zhipuai/glm-5.3
Published evaluations

Benchmarks

Every result stays attached to its source, version, metric and harness. Scores from different versions are never merged, and the profile below plots each benchmark against its own population rather than on a shared scale.

Benchmark registry
No published benchmark results

ModelBench does not infer quality from price, context size, or model name. When a source publishes a comparable result, it appears here with its version and link.

Read the methodology
Catalog activity

Change log

Field-level changes detected between successful source imports.

Full change log
Price Completion4.4 → 4.2
Price Prompt1.4 → 1.2
Public API

Use this record

Fetch the complete source-linked model record. No key, no account, no rate-limited tier.

API documentation
Endpoint
GET https://www.modelbench.lol/api/v1/models/zhipuai/glm-5.3
curl
curl "https://www.modelbench.lol/api/v1/models/zhipuai/glm-5.3"
Common questions

Frequently asked questions

Answered directly from the stored record — nothing here is generated beyond the catalog's own fields.

What is GLM-5.3?

Flagship GLM model for long-horizon coding, agents, and complex project delivery. It is published by Zhipu AI and catalogued here from Models.dev.

How much does GLM-5.3 cost?

Listed input pricing starts at $1.2 per million tokens from Vivgrid, rising to $1.4 across 2 listed providers.

What is the context length of GLM-5.3?

GLM-5.3 accepts up to 1M tokens of context and returns up to 131.072K output tokens.

Does GLM-5.3 support tool calling and structured output?

Provider catalogs list support for tool calling, structured output, and reasoning.

Which providers serve GLM-5.3?

4 providers list this model: Z.AI Coding Plan, Zhipu AI Coding Plan, Vivgrid, OpenCode Go.

Are the weights for GLM-5.3 open?

No. This model is served through hosted APIs only.

When was GLM-5.3 released?

The catalog records a release date of 2026-08-14, last verified Aug 17, 2026.

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