---
title: "GLM-5.3 Flash Cybersecurity API: price and agent setup"
canonical: https://pentestllm.ai/models/glm-5.3-flash-cybersecurity
generated: 2026-11-11T18:05:45.599Z
source: https://api.pentestllm.ai/v1/catalog
base_url: https://api.pentestllm.ai/v1
---

# GLM-5.3 Flash Cybersecurity API: price and agent setup

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

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.

## Price per million tokens (USD, as of 2026-11-11)

| Tokens | Price |
| --- | --- |
| Input | $0.5093 |
| Cached input | $0.2546 |
| Output | $1.6975 |

An agent turn of 8,000 input and 1,000 output tokens costs $0.0058; 1,000 turns cost $5.7715.

## Model

- Model id: `glm-5.3-flash-cybersecurity`
- Kind: Security
- Developer: Z.ai
- Context window: 1,048,576 tokens
- Max output: 32,768 tokens
- Wire formats: openai
- Endpoints: /v1/chat/completions, /v1/messages, /v1/completions, /v1/responses, /v1beta/models/{model}:generateContent
- Tool calling: yes
- Daily check: Steady since Oct 23 (https://pentestllm.ai/proof)
- As of: 2026-11-11

## First request

```bash
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 (https://app.pentestllm.ai/console); prices settle per token.

For authorized security testing only: systems you own or have written permission to test (https://pentestllm.ai/acceptable-use). Abuse reports, no account needed: abuse@pentestllm.ai.

## Also try

- Cyber Frontier, $15.75 out: https://pentestllm.ai/models/cyber-frontier
- Gemma 4 26B A4B Cybersecurity, $1.3376 out: https://pentestllm.ai/models/gemma-4-26b-a4b-it-cybersecurity
- OrcaCyber MiniMax M3.1 Flash, $4.00 out: https://pentestllm.ai/models/minimax-m3.1-flash-cybersecurity
- OrcaCyber MiniMax M3.1 Flash, $4.00 out: https://pentestllm.ai/models/orcacyber-minimax-m3.1-flash

## Related

- Every model: https://pentestllm.ai/models
- The auto/security router: https://pentestllm.ai/auto-router
- Setup for SDKs and coding agents: https://pentestllm.ai/docs
- Price index: https://pentestllm.ai/pricing-index.json