GPT-5.4-Cyber (OpenAI) vs GLM / Z.ai (Zhipu AI)
Which one should you pick? Here's the full breakdown.
GPT-5.4-Cyber (OpenAI)
OpenAI's defensive-cybersecurity variant of GPT-5.4, launched 2026-04-16. Lowered refusal boundary for security-research tasks and native binary reverse-engineering. Access gated via Trusted Access for Cyber (TAC) program -- thousands of verified defenders, hundreds of teams, no public pricing
GLM / Z.ai (Zhipu AI)
Zhipu AI's open-weights family -- GLM-5.1 (launched 2026-04-07) is 744B MoE / 40B active, topped SWE-Bench Pro at 58.4 (beating GPT-5.4 and Claude Opus 4.6), MIT licensed, 200K context. Trained entirely on 100K Huawei Ascend 910B chips -- first frontier model with zero Nvidia in the training stack
| Category | GPT-5.4-Cyber (OpenAI) | GLM / Z.ai (Zhipu AI) |
|---|---|---|
| Ease of Use | 5.0 | 6.5 |
| Output Quality | 8.5 | 8.5 |
| Value | 7.0 | 9.0 |
| Features | 8.0 | 8.0 |
| Overall | 7.2 | 8.0 |
Pricing Comparison
| Feature | GPT-5.4-Cyber (OpenAI) | GLM / Z.ai (Zhipu AI) |
|---|---|---|
| Free Tier | No | Yes |
| Starting Price | Not publicly disclosed | $0 |
Benchmark Head-to-Head
GLM-5.1 (744B MoE / 40B active) benchmarks — GPT-5.4-Cyber (OpenAI) has no published benchmarks
| Benchmark | Description | Score |
|---|---|---|
| SWE-Bench Pro | 58.4% | |
| MMLU-Pro | Harder multi-subject reasoning | 81.2% |
| GPQA Diamond | Graduate-level science questions | 74.5% |
| HumanEval | Python code generation | 89.1% |
| SWE-Bench Verified | 64.2% | |
| BFCL (function calling) | 88% |
Which Should You Pick?
Pick GPT-5.4-Cyber (OpenAI) if...
Enterprise SOC teams, established security research orgs, and vetted individual defenders who can qualify for Trusted Access for Cyber. Strongest fit if your work involves binary analysis, vulnerability research, or defensive-security tooling where standard GPT-5.4 refusals actually block the work.
Visit GPT-5.4-Cyber (OpenAI)Pick GLM / Z.ai (Zhipu AI) if...
- ✓Easier to use (6.5 vs 5)
- ✓Better value for money (9/10)
- ✓Has a free tier
Teams that need genuine MIT-licensed frontier open weights with no commercial strings. Especially strong for agentic workflows and vision (GLM-4.6V).
Visit GLM / Z.ai (Zhipu AI)Our Verdict
GLM / Z.ai (Zhipu AI) edges out GPT-5.4-Cyber (OpenAI) with a 8.0 vs 7.2 overall score. Both are solid picks, but GLM / Z.ai (Zhipu AI) has the advantage in value.