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GLM-5.3 Flash Cybersecurity, per token on one key.

GLM-5.3 Flash Cybersecurity is GLM 5.3 Flash set up for security work. It costs $0.5093 per million input tokens and $1.6975 per million output tokens, prepaid, with a 1,048,576-token context window. Call it at https://api.pentestllm.ai/v1/chat/completions with model "glm-5.3-flash-cybersecurity" and a PentestLLM key, from any OpenAI SDK or agent that takes a base URL. It is for authorized security testing only.

Security by Z.ai, on PentestLLM as glm-5.3-flash-cybersecurity.

Price per million tokens

Input
$0.5093
Cached input
$0.2546
Output
$1.6975
Daily check
Steady since Oct 23
As of
2026-11-11

First request

curl
curl https://api.pentestllm.ai/v1/chat/completions \
  -H "Authorization: Bearer sk-ptl-live-…" \
  -H "Content-Type: application/json" \
  -d '{"model": "glm-5.3-flash-cybersecurity", "messages": [{"role": "user", "content": "Hello"}]}'

Base URL https://api.pentestllm.ai/v1. The key comes from the console; prices settle per token.

Get a key

  1. Create a key in the console. Credit is prepaid from $10, with no subscription.
  2. Set OPENAI_BASE_URL to https://api.pentestllm.ai/v1 and send your sk-ptl- key as the bearer token.
  3. Send glm-5.3-flash-cybersecurity as the model. The same key calls every model on PentestLLM.

GLM-5.3 Flash Cybersecurity settings for a coding agent

Any agent that takes an OpenAI-compatible provider uses these values. Step-by-step setup per agent is under agents.

provider settings
Provider
OpenAI-compatible
Base URL
https://api.pentestllm.ai/v1
Model
glm-5.3-flash-cybersecurity
Context window
1,048,576 tokens
Max output
32,768 tokens
Tool calling
yes, per the catalog
Key prefix
sk-ptl-

GLM-5.3 Flash Cybersecurity specs

Kind
Security
Developer
Z.ai
Base model
GLM 5.3 Flash
Context window
1,048,576 tokens
Max output
32,768 tokens
Input
text and image
Wire formats
openai
Endpoints
/v1/chat/completions, /v1/messages, /v1/completions, /v1/responses, /v1beta/models/{model}:generateContent

What GLM-5.3 Flash Cybersecurity is for

GLM-5.3 Flash Cybersecurity is set up for security work, so it takes on the questions a penetration tester, red team or bug bounty hunter brings where a stock assistant often declines: triaging scanner output, explaining a CVE, reviewing code for vulnerabilities, drafting report findings, writing detection rules and solving CTF challenges.

Use it only on systems you own or have written permission to test. The acceptable use policy lists what is not allowed and applies to every request.

Every request is settled to the token at the prices above. The daily real-model check sends a fixed prompt to every model and records whether the answer still matches; this model’s verdict today is “Steady since Oct 23”. Call it from the OpenAI SDK or a coding agent, or send auto/security and let the router pick a security build per request. Keys and top-ups live in the console.

What GLM-5.3 Flash Cybersecurity costs, worked

An agent turn of 8,000 input and 1,000 output tokens at $0.5093 input and $1.6975 output per million tokens is $0.0058; 100 turns are $0.5771 and 1,000 turns are $5.7715. An agent resends its context on every turn, so the input side is most of the bill. All from prepaid credit, no subscription.

usage, 1,000 agent turns on GLM-5.3 Flash Cybersecurity
Input, 8,000 tokens at $0.5093 per million
$0.0041
Output, 1,000 tokens at $1.6975 per million
$0.0017
One turn
$0.0058
1,000 turns
$5.7715
Security buildsContextIn / out per 1M1,000 agent turns
Gemma 4 26B A4B Cybersecurity262K$0.4224 / $1.3376$4.7168
Qwen3.8 27B Cybersecurity262K$0.40 / $2.40$5.60
GLM-5.3 Flash Cybersecurity1049K$0.5093 / $1.6975$5.7715
Red Team (Flash)n/a$0.90 / $3.00$10.1999
Red Team (Pro)n/a$1.50 / $6.00$18.00
OrcaCyber MiniMax M3.1 Flash262K$2.00 / $4.00$20.00
OrcaCyber MiniMax M3.1 Flash262K$2.00 / $4.00$20.00
OrcaCyber Qwen3.8 Flash Next262K$2.00 / $4.00$20.00
OrcaCyber Qwen3.8 Flash Next262K$2.00 / $4.00$20.00
Cyber Frontier1049K$5.25 / $15.75$57.75
OrcaCyber Zero 1.5999K$7.50 / $18.75$78.75

Live from the catalog on 2026-11-11, ordered by the cost of 1,000 turns of 8,000 input and 1,000 output tokens; cached input is not counted. Every price.

Also try

GLM-5.3 Flash Cybersecurity questions

GLM-5.3 Flash Cybersecurity is GLM 5.3 Flash set up for security work, from Z.ai, with a 1,048,576-token context window. On PentestLLM it answers as glm-5.3-flash-cybersecurity.

Authorized security work: triaging scanner output, explaining a CVE, reviewing code for vulnerabilities, drafting report findings, writing detection rules and solving CTF challenges. Use it only on systems you own or have written permission to test. See the acceptable use policy.

No. Credit is prepaid from $10 and billed per token: input $0.5093 and output $1.6975 per million tokens, cached input $0.2546.

About $0.0058 for 8,000 tokens in and 1,000 tokens out, at $0.5093 in and $1.6975 out per million tokens. A thousand such turns are $5.7715.

Yes. Send glm-5.3-flash-cybersecurity as the model through the OpenAI SDK, or any agent that takes a custom OpenAI base URL, with base URL https://api.pentestllm.ai/v1. It also answers the Anthropic Messages API at the same host, so agents built on the Anthropic SDK can call it. See the docs.

Yes. The catalog lists tools among the parameters GLM-5.3 Flash Cybersecurity takes, so function calling works and a request can declare the gateway's server-side tools, which the docs list with their fees. See the docs.

Yes. The daily real-model check sends every model the same fixed prompt and records whether the answer still matches. GLM-5.3 Flash Cybersecurity’s latest result, from Nov 11: steady since Oct 23. See the daily check.

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