Skip to content
Models / Z.AI (Zhipu)

GLM 5.1

Z.AI (Zhipu) · Model release

Catalog checked 2026-09-29

Input $/1M
$1.40
Output $/1M
$4.40
Context
200K
Max output
128K
Reasoning
Yes
Included in
5 plans

API model id

glm-5.1
01 / Standard API priceUSD / 1M tokens

Input

$1.40

Output

$4.40

Cache read

$0.26

Published rate checked 2026-09-29. Sources below.

Current published base rates. Context tiers, cache-write duration and other conditions may change the rate for a request. These are not a reconstructed historical invoice.

02 / Capabilities & limitsProvider specifications
Context window
200,000
Maximum output
128,000
Input
text
Output
text
Reasoning
Supported
Tool calling
Supported
Structured output
Supported

Thinking is on by default and can be turned off.

Before you chooseChecked 2026-09-29
Thinking
Thinking is on by default and can be turned off with thinking.type set to disabled.
Input support
Text input only.
API capabilities
Function calling, streaming, context caching and structured output are supported.
Released
April 7, 2026
Prompt caching
Cached input costs $0.26 per MTok. Cached input storage is listed as limited-time free.
03 / Where you can use it1 API route · 5 subscriptions
Z.AI (Zhipu) APIDirect API
Command Code Go$1 / month ↗Command Code GOAT$10 / month ↗Command Code Pro$20 / month ↗Command Code Max 10×$100 / month ↗Command Code Max 20×$200 / month ↗
Pricing, assumptions & evidence

Published base rate

Input $1.40 · Output $4.40 · Cache read $0.26 · Cache write Not listed

Missing token-category prices are not zero. Workload pricing applies exact recorded categories and admitted routes. No benchmark score or quality ranking is inferred from prices.

Aliases, routes and identity

Catalog ID glm-5-1

Model release (kind: release)

Developer: Z.AI (Zhipu)