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GLM-5.2

Available

A Z.ai model with a 1M-token context window and tool calling. On the Z.ai Open Platform API since June 16, 2026.

Access details: Z.ai Open Platform API

An alias. The provider can point it at a newer version.

glm-5.2

Open weights on Hugging Face: zai-org/GLM-5.2

Updated Oct 1, 2026

Capabilities & limits

Context window
1M
Maximum output
128K
Image input
Unsupported
Tool calling
Supported
Structured output
Supported

Pricing

USD / 1M tokens
Input
$1.40
Output
$4.40

Standard rates per million tokens. Discounts and long-context rates, where offered, are on Z.ai's pricing page.

Full rate card 4 rates

All prices in USD.

Input tokens

$1.40 per 1M tokens

Cached input

$0.26 per 1M tokens
  • prompt caching

Cached input storage

$0.00 per 1M tokens (storage unit not stated)
  • prompt caching
  • limited-time free; end date not stated

Output tokens

$4.40 per 1M tokens
Price history
Oct 1, 2026

Input $1.40 per million tokens

Oct 1, 2026

Output $4.40 per million tokens

Technical details

Parameters
744B
Active parameters
40B
Training / knowledge cutoff
Not published
Input modalities
Text
Output modalities
Text

How they describe it

a flagship model built for the era of long-horizon tasks

What they say is new

for the first time, delivers that capability on a solid 1M-token context

Release & lifecycle

First available
Jun 16, 2026
available
As of Oct 1, 2026

Considering a switch?

Specs only go so far. Try both on your own tasks and compare quality, speed and cost.

Compare with Mistral Large 4 →

Prices and availability as of October 20, 2026. Z.ai's own pages have the latest.