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Z.ai: GLM 5.3 (batch) API Pricing

Z.ai: GLM 5.3 (batch) is an API model from z-ai. It costs $0.45 per 1M input tokens and $2 per 1M output tokens, with cached input at $0.1. Its context window is 1,048,576 tokens with up to 131,072 output tokens. A workload of 10M input + 2M output tokens costs about $8.5 per month.
Input
$0.45
per 1M tokens
Output
$2
per 1M tokens
Cached input
$0.1
per 1M tokens
Context window
1.04858M
1,048,576 tokens
Blended (80/20)
$0.76
per 1M tokens

GLM-5.3 is a large-scale reasoning model from Z.ai, built for complex software engineering and long-horizon agent tasks. It supports text input and output with a 1M-token context window, and improves...

How much does Z.ai: GLM 5.3 (batch) cost for a real workload?

At 10M input + 2M output tokens per month, Z.ai: GLM 5.3 (batch) costs about $8.5 ($4.5 input + $4 output). Try your own volumes in the cost calculator.

What are cheaper alternatives to Z.ai: GLM 5.3 (batch)?

Compare Z.ai: GLM 5.3 (batch) with other models

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Frequently asked questions

How much does Z.ai: GLM 5.3 (batch) cost?

Z.ai: GLM 5.3 (batch) costs $0.45 per 1M input tokens and $2 per 1M output tokens (list price, snapshot October 21, 2026). At 10M input + 2M output tokens per month that is about $8.5.

What is the context window of Z.ai: GLM 5.3 (batch)?

Z.ai: GLM 5.3 (batch) has a context window of 1,048,576 tokens and can return up to 131,072 output tokens per response.

What are cheaper alternatives to Z.ai: GLM 5.3 (batch)?

Cheaper models include Qwen: Qwen3.5-27B ($0.27 in / $2.16 out), AionLabs: Aion-2.0 ($0.8 in / $1.6 out), Mistral: Devstral 2 2512 ($0.4 in / $2 out). See the full list on this page.

Is Z.ai: GLM 5.3 (batch) free to use?

No. Z.ai: GLM 5.3 (batch) is a paid model at $0.45 input / $2 output per 1M tokens. 20 free models are listed on the free models page.

Provider: z-ai · Model ID: z-ai/glm-5.3:batch · Modality: text->text · Price snapshot October 21, 2026, refreshed daily. How we collect prices