GPT-5.4-Cyber (OpenAI) vs MiniMax M2 / M2.5
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
MiniMax M2 / M2.5
MiniMax's open-weights frontier -- first open model to match Claude Opus 4.6 on SWE-Bench at 10-20× lower cost
| Category | GPT-5.4-Cyber (OpenAI) | MiniMax M2 / M2.5 |
|---|---|---|
| Ease of Use | 5.0 | 6.5 |
| Output Quality | 8.5 | 9.0 |
| Value | 7.0 | 9.5 |
| Features | 8.0 | 8.5 |
| Overall | 7.2 | 8.4 |
Pricing Comparison
| Feature | GPT-5.4-Cyber (OpenAI) | MiniMax M2 / M2.5 |
|---|---|---|
| Free Tier | No | Yes |
| Starting Price | Not publicly disclosed | $0 |
Benchmark Head-to-Head
MiniMax M2.5 (230B/10B active MoE) benchmarks — GPT-5.4-Cyber (OpenAI) has no published benchmarks
| Benchmark | Description | Score |
|---|---|---|
| MMLU-Pro | Harder multi-subject reasoning | 82.1% |
| GPQA Diamond | Graduate-level science questions | 76.8% |
| SWE-Bench Verified | 80.2% | |
| HumanEval | Python code generation | 91% |
| AIME 2025 | 85.3% |
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 MiniMax M2 / M2.5 if...
- ✓Easier to use (6.5 vs 5)
- ✓Better value for money (9.5/10)
- ✓Has a free tier
Agentic coding and tool-use workflows on a budget. Best price-to-SWE-Bench ratio of any open-weights model in 2026.
Visit MiniMax M2 / M2.5Our Verdict
MiniMax M2 / M2.5 is the clear winner here with 8.4/10 vs 7.2/10. GPT-5.4-Cyber (OpenAI) isn't bad, but MiniMax M2 / M2.5 outperforms it across the board. Pick GPT-5.4-Cyber (OpenAI) only if enterprise soc teams, established security research orgs, and vetted individual defenders who can qualify for trusted access for cyber.