How much does Z.ai: GLM 5.2 cost per 1M tokens?

Z.ai: GLM 5.2 costs $0.650 per 1M input tokens and $2.04 per 1M output tokens on the standard tier. Cached input is $0.121 per 1M.

What is Z.ai: GLM 5.2's context window?

Z.ai: GLM 5.2 accepts up to 1,048,576 tokens in a single request, and can return up to 131,072 output tokens.

Is there a cheaper OpenRouter model than Z.ai: GLM 5.2?

Yes. OpenAI: GPT-3.5 Turbo is $0.500 per 1M input tokens versus $0.650 for Z.ai: GLM 5.2, with a 16,385 token context window.

Where does this Z.ai: GLM 5.2 price come from?

From the OpenRouter catalogue, because OpenRouter does not publish machine-readable pricing. OpenRouter is a reseller, so its rate can differ from OpenRouter's own — verify before committing spend.

Z.ai: GLM 5.2 pricing

GLM 5.2 is a large-scale reasoning model from Z.ai. It supports text input and output with a 1M-token context window, and is suited for long-horizon agent workflows, project-level software… Z.ai: GLM 5.2 from OpenRouter costs $0.650 per 1M input tokens and $2.04 per 1M output tokens. Cached input is $0.121 per 1M. Context window 1,048,576 tokens.

API id z-ai/glm-5.2 · OpenRouter · source · updated 2026-09-25 · general-purpose

$0.650

Input / 1M tokens

$2.04

Output / 1M tokens

$0.121

Cached input / 1M

Context window

Z.ai: GLM 5.2 specifications

Provider: OpenRouter
API id: z-ai/glm-5.2
Model type: general-purpose
Context window: 1M tokens
Max output: 131K tokens
Currency: USD
Price source: Provider API
Last checked: 2026-09-25

GLM-5.2 across providers

The same model, priced by every seller we track. Ranked by the cost of 1M input + 1M output tokens, standard tier; savings measured against buying from the vendor directly.

Provider	Input /1M	Cached /1M	Output /1M	1M in + 1M out	vs vendor
OpenRouterHostCheapestviewing	$0.650	$0.121	$2.04	$2.69	−54%
Zhipu AI (GLM)Vendor	$1.40	$0.260	$4.40	$5.80	—
Together AIHost	$1.40	$0.260	$4.40	$5.80	—

Free routes$0

OpenRouter z-ai/glm-5.2:free

Free routes are rate-limited, can rotate off the roster without notice, and may differ in context, tools or caching from the paid door. Always confirm on the provider's page before depending on one.

What Z.ai: GLM 5.2 costs in practice

Estimated cost at common usage volumes
Workload	Input tokens	Output tokens	Estimated cost
Short chat turn	1,000	500	$0.0017
Document summary	50,000	2,000	$0.04
1M tokens in, 200K out	1,000,000	200,000	$1.06

Estimates use the standard tier and ignore caching discounts, so real bills with repeated prompt prefixes are typically lower.

Z.ai: GLM 5.2 price history

Recorded	Input /1M	Output /1M
2026-09-20	$0.650	$2.04
2026-09-19	$0.554	$1.74
2026-09-18	$0.487	$1.56
2026-09-15	$1.40	$4.40
2026-09-14	$0.683	$2.15
2026-09-12	$0.600	$2.00
2026-09-02	$0.966	$3.04
2026-08-27	$1.19	$3.74

Common questions

How much does Z.ai: GLM 5.2 cost per 1M tokens?: Z.ai: GLM 5.2 costs $0.650 per 1M input tokens and $2.04 per 1M output tokens on the standard tier. Cached input is $0.121 per 1M.
What is Z.ai: GLM 5.2's context window?: Z.ai: GLM 5.2 accepts up to 1,048,576 tokens in a single request, and can return up to 131,072 output tokens.
Is there a cheaper OpenRouter model than Z.ai: GLM 5.2?: Yes. OpenAI: GPT-3.5 Turbo is $0.500 per 1M input tokens versus $0.650 for Z.ai: GLM 5.2, with a 16,385 token context window.
Where does this Z.ai: GLM 5.2 price come from?: From the OpenRouter catalogue, because OpenRouter does not publish machine-readable pricing. OpenRouter is a reseller, so its rate can differ from OpenRouter's own — verify before committing spend.

Head-to-head comparisons

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Other OpenRouter models

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