Z.ai: GLM 5.3 Flash Cybersecurity
GLM 5.3 Flash Cybersecurity is a reasoning model from Z.ai released on Sep 19, 2026. It reads text and images and writes text, with a 1.05M token context window and up to 33K tokens per reply.
Show moreShow less
It costs $0.15 per million input tokens and $0.50 per million output tokens. Cached input bills at $0.075, 50% less than fresh input.
It supports tool calling and prompt caching, and its weights are open, so you can host it yourself.
- Modalities
- In / out price
- $0.15 / $0.50 per 1M
- Context
- 1.05M
- Max output
- 33K
- Released
- Sep 19, 2026
- Knowledge cutoff
- n/a
- Tool calling
- Structured output
- Reasoning
- Prompt caching
- Open weights
- Free to use
GLM 5.3 Flash Cybersecurity pricing
USD, as listed on Oct 15, 2026. Most bills are input heavy, so the cached input rate matters as much as the headline price.
| Input | $0.15 / 1M tokens | |
|---|---|---|
| Output | $0.50 / 1M tokens | |
| Cached input (read) | $0.075 / 1M tokens | 50% off input |
What GLM 5.3 Flash Cybersecurity costs per month
Pick a workload close to yours or type your own volumes.
Supported request parameters
What you can set when you call GLM 5.3 Flash Cybersecurity through an OpenAI compatible API.
- Tools
tools - Reasoning
reasoning
Alternatives to GLM 5.3 Flash Cybersecurity
Models that take the same inputs and call tools, closest in price, cheaper ones first.
- Index 41.8
Reads text, images, files and video. Tool calling, structured output, reasoning. Served by 65 providers.
by z-aiAug 21, 20261M context$0.15/M input tokens$0.50/M output tokens65 providers
- Index 39.8
Reads text, images and video. Tool calling, structured output, reasoning. Served by 23 providers.
by qwenAug 26, 20261M context$0.15/M input tokens$0.47/M output tokens23 providers
- Index 14.7
Reads text and images. Tool calling, structured output, reasoning. Served by 38 providers.
by googleApr 2, 2026262K context$0.14/M input tokens$0.40/M output tokens38 providers
- Index 43.4
Reads text, images and files. Tool calling, structured output, reasoning. Served by 26 providers.
by anthropicOct 7, 20261M context$0.10/M input tokens$0.50/M output tokens26 providers
- Index 38.1
Reads text, images and files. Tool calling, structured output, reasoning. Served by 27 providers.
by openaiSep 22, 20261.05M context$0.10/M input tokens$0.50/M output tokens27 providers
- 262K context
Reads text and images. Tool calling, structured output, reasoning. Served by 28 providers.
by googleApr 1, 2026$0.13/M input tokens$0.40/M output tokens28 providers
More from Z.ai
- 1.05M context
Reads text and images. Tool calling, reasoning.
by z-aiOct 5, 2026$0.15/M input tokens$0.50/M output tokens
- 1.05M context
Reads text and images. Tool calling, reasoning.
by z-aiOct 5, 2026$0.15/M input tokens$0.50/M output tokens
- 1.05M context
Reads text. Tool calling, reasoning.
by z-aiSep 26, 2026$1.25/M input tokens$2.25/M output tokens
- 1M context
Reads text. Tool calling, reasoning.
by z-aiSep 23, 2026$2.80/M input tokens$8.80/M output tokens
- 1M context
Reads text, images, files and video. Tool calling, structured output, reasoning. Served by 7 providers.
by z-aiAug 26, 2026$0.37/M input tokens$1.25/M output tokens7 providers
- Index 41.8
Reads text, images, files and video. Tool calling, structured output, reasoning. Served by 65 providers.
by z-aiAug 21, 20261M context$0.15/M input tokens$0.50/M output tokens65 providers
GLM 5.3 Flash Cybersecurity questions
How much does the GLM 5.3 Flash Cybersecurity API cost?
$0.15 per million input tokens and $0.50 per million output tokens, with cached input at $0.075. The estimator on this page turns that into a monthly bill for your own workload.
What is the context window of GLM 5.3 Flash Cybersecurity?
1,048,576 tokens of input, and it can write up to 32,768 tokens in one reply. As a rough guide, a million tokens is around 750,000 English words.
Does GLM 5.3 Flash Cybersecurity support tool calling?
Yes. It accepts tool definitions, which is what an agent needs to call your APIs.
Is GLM 5.3 Flash Cybersecurity open source?
Its weights are published, so you can run it on your own hardware or a cloud of your choice. Read the license before commercial use.
When was GLM 5.3 Flash Cybersecurity released?
Sep 19, 2026.
Catalog data from models.dev (MIT licensed), refreshed daily, last on Oct 15, 2026. The summary is written from these facts.
Building on GLM 5.3 Flash Cybersecurity?
I test your real tasks on it and the two closest alternatives, then ship the agent on whichever wins on cost and accuracy.
Book Meeting