GLM 5

GLM 5 is Zhipu AI's latest open-weight flagship, focused on agentic coding, tool-calling, and strong Chinese-language performance. It targets teams that want a capable production model without the pricing pressure of top-tier closed models.

CodingAgenticMultilingualCost-Efficiency

Architecture

355B MoE

Open-weight Mixture-of-Experts with agentic tool-use tuning.

OpenAI-compatible

Familiar surface, easy to slot into existing stacks.

Concurrency

Production-ready

Tuned for throughput on tool-heavy workloads.

Model Overview

GLM 5 — Zhipu AI's open-weight agentic coding flagship.

Official Docs

Params

355B MoE

Context

200K

Released

Mar 2026

Model overview

Written in a launch-style profile format

GLM 5 performs well on agentic and coding workloads, with particular strength on tasks that require multi-step tool use, structured function calling, and stable output formatting.

The model is a good fit for backend automation, code assistants, and multilingual product experiences — especially where Chinese-language quality is part of the requirement alongside English.

From a developer standpoint, GLM 5 offers a familiar OpenAI-compatible surface with competitive throughput, making it practical to slot into existing stacks without rewriting integrations.

Model highlights

Key strengths and deployment profile

Agentic & coding strength

GLM 5 is tuned for agentic coding, function calling, and structured tool workflows, which makes it practical for production automation.

Cost-efficient production fit

It is well suited to teams that need a capable flagship without the per-token cost of the highest-priced closed models.

Multilingual coverage

Chinese-language performance is especially strong, while English and other languages remain solid enough for cross-market deployments.

Concurrent response profile

Throughput and stability are positioned for production concurrency, suitable for always-on assistant and agent workloads.

See what it can do

See what GLM 5 can do

Agentic coding assistants and automation pipelines

Multilingual enterprise workflows with Chinese-first emphasis

Cost-sensitive production deployments replacing premium closed models

Built for developers

Give developers more control

OpenAI-compatible API surface eases migration from existing OpenAI / Qwen integrations.

Strong function calling and JSON-mode output support for tool-driven agents.

Competitive pricing makes it a practical default for tool-heavy backend workloads.

Best For

Who should start with this model

Developers who want a strong open-weight flagship with agentic coding and tool-calling baked in.

Buyers looking for a cost-efficient alternative to closed models without giving up Chinese-language quality.

When To Choose It

When it belongs on your shortlist

When the product needs solid agentic behavior, function calling, and coding support at a competitive price point.

When multilingual use cases — especially Chinese — are part of the deployment profile.

Discounted Official API Key

Get this official API key at a discount

GLM is easiest to position around agentic coding plus cost efficiency, so lead with that framing when confirming plan details through Contact.

View Discounted Plans Contact Sales for GLM 5