GPT-5.4-Cyber (OpenAI) vs gpt-oss (OpenAI)
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
gpt-oss (OpenAI)
OpenAI's FIRST open-weight models -- gpt-oss-120b (single 80GB GPU, near parity with o4-mini on reasoning) and gpt-oss-20b (runs on 16GB edge devices). Apache 2.0. Launched 2025-08-05. gpt-oss-safeguard ships in 2026 as the safety-tuned variant
| Category | GPT-5.4-Cyber (OpenAI) | gpt-oss (OpenAI) |
|---|---|---|
| Ease of Use | 5.0 | 7.0 |
| Output Quality | 8.5 | 8.5 |
| Value | 7.0 | 10.0 |
| Features | 8.0 | 7.0 |
| Overall | 7.2 | 8.1 |
Pricing Comparison
| Feature | GPT-5.4-Cyber (OpenAI) | gpt-oss (OpenAI) |
|---|---|---|
| Free Tier | No | Yes |
| Starting Price | Not publicly disclosed | $0 |
Which Should You Pick?
Pick GPT-5.4-Cyber (OpenAI) if...
- ✓More features (8 vs 7)
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 gpt-oss (OpenAI) if...
- ✓Easier to use (7 vs 5)
- ✓Better value for money (10/10)
- ✓Has a free tier
Developers who want OpenAI-brand open-weight reasoning models for self-hosting or fine-tuning. Particularly good for single-GPU deployments (gpt-oss-120b on one 80GB card) or edge-device reasoning (gpt-oss-20b on 16GB consumer GPUs / Apple Silicon). Also good as a reliable baseline when comparing newer open-weight releases.
Visit gpt-oss (OpenAI)Our Verdict
gpt-oss (OpenAI) edges out GPT-5.4-Cyber (OpenAI) with a 8.1 vs 7.2 overall score. Both are solid picks, but gpt-oss (OpenAI) has the advantage in value.