Z.ai: GLM 5.3 Flash (batch)
Analysis Summary
GLM 5.3 Flash is a multimodal Z.ai model with strong measured reasoning, coding, and agentic capability. Vision and video input extend it beyond text workflows, while tool use and function calling support production automation. Its 1.05M token context window can accommodate large briefs, code repositories, and extensive document collections.
This is a strong fit for SEO production, content transformation, visual review, coding assistance, and agents operating across long-lived tasks. The $0.075 input and $0.25 output pricing per million tokens supports routing substantial routine traffic without sacrificing broad capability. Use it as a volume-focused default, while reserving a higher-end reasoning model for unusually complex or high-risk decisions.
Assessed September 1, 2026
Editorial notes
GLM 5.3 Flash delivers advanced reasoning, coding, agentic tool use, vision and video input, and a 1.05M token context window at very low pricing. It is built for capable, high-volume production workflows.
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DFO Verdict
GLM 5.3 Flash delivers advanced reasoning, coding, agentic tool use, vision and video input, and a 1.05M token context window at very low pricing. It is built for capable, high-volume production workflows.
How Z.ai: GLM 5.3 Flash (batch) compares
Its 1M-token context window is larger than 86% of the models we list. At $0.15 per million input tokens it is cheaper than 61% of comparable models.
Dark bar = input · light bar = output, scaled to the priciest peer.
1M tokens ≈ 8 full-length novels or ~2,500 pages of business documents in a single request.
Strongest on business fit. The pulled-in technical corner is the trade-off, and if the shape matters more than the price, this is your model.
Compare shapes side-by-side →Pricing
| Token Type | Cost per 1M tokens | Cost per 1K tokens |
|---|---|---|
| Input | $0.15 | $0.000150 |
| Output | $0.50 | $0.000500 |
What would Z.ai: GLM 5.3 Flash (batch) cost your business?
Pick the job that looks most like yours, then fine-tune with the sliders. Estimates update live.
A website chatbot handling around 100 customer conversations a day, a few short messages each.
Full calculator with 748 models → Price Calculator
These numbers get smaller with the right architecture.
We route routine calls to cheap models and save Z.ai: GLM 5.3 Flash (batch) for the hard ones. Most clients cut their estimate by 60-80%.
Talk to our teamAbout Z.ai: GLM 5.3 Flash (batch)
GLM-5.3-Flash is a native multimodal model from Z.ai. It is suited for efficient coding and long-horizon agent tasks. Its hybrid sparse and linear attention architecture maintains accurate long-context behavior while..
Frequently asked questions about Z.ai: GLM 5.3 Flash (batch)
How much does Z.ai: GLM 5.3 Flash (batch) cost?
Z.ai: GLM 5.3 Flash (batch) costs $0.15 per million input tokens and $0.50 per million output tokens.
What is the context window of Z.ai: GLM 5.3 Flash (batch)?
Z.ai: GLM 5.3 Flash (batch) has a context window of 1,048,575 tokens (1M).
What can Z.ai: GLM 5.3 Flash (batch) do?
Z.ai: GLM 5.3 Flash (batch) supports image/vision input, tool use, and function calling.
Who created Z.ai: GLM 5.3 Flash (batch)?
Z.ai: GLM 5.3 Flash (batch) is developed by Z.ai and was released on August 26, 2026.