GPT-5.4-Cyber (OpenAI) vs Hunyuan 3 (Tencent Hy3)
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
Hunyuan 3 (Tencent Hy3)
Tencent's Hy3 Preview launched 2026-04-23 -- 295B total / 21B active MoE, 256K context, open-sourced on HuggingFace under tencent/Hy3-preview. Cheapest frontier-class API at ~1.2 RMB per million input tokens. Integrated into Yuanbao, WeChat, QQ
| Category | GPT-5.4-Cyber (OpenAI) | Hunyuan 3 (Tencent Hy3) |
|---|---|---|
| Ease of Use | 5.0 | 7.0 |
| Output Quality | 8.5 | 8.0 |
| Value | 7.0 | 9.5 |
| Features | 8.0 | 8.0 |
| Overall | 7.2 | 8.1 |
Pricing Comparison
| Feature | GPT-5.4-Cyber (OpenAI) | Hunyuan 3 (Tencent Hy3) |
|---|---|---|
| Free Tier | No | Yes |
| Starting Price | Not publicly disclosed | $0 |
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 Hunyuan 3 (Tencent Hy3) if...
- ✓Easier to use (7 vs 5)
- ✓Better value for money (9.5/10)
- ✓Has a free tier
Chinese-market builders, multilingual products that need strong CN performance, and cost-sensitive developers who want frontier-class quality at sub-DeepSeek pricing. Also anyone watching the open-weights field who wants Tencent's distribution-backed entry on the bench.
Visit Hunyuan 3 (Tencent Hy3)Our Verdict
Hunyuan 3 (Tencent Hy3) edges out GPT-5.4-Cyber (OpenAI) with a 8.1 vs 7.2 overall score. Both are solid picks, but Hunyuan 3 (Tencent Hy3) has the advantage in value.