GPT-5.4-Cyber (OpenAI) vs Google Antigravity

Which one should you pick? Here's the full breakdown.

GPT-5.4-Cyber (OpenAI)

7.2/10

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

Our Pick

Google Antigravity

8.0/10

Google's agent-first AI IDE -- deploys up to 5 autonomous coding agents in parallel on a VS Code fork

Category	GPT-5.4-Cyber (OpenAI)	Google Antigravity
Ease of Use	5.0	8.0
Output Quality	8.5	8.5
Value	7.0	6.0
Features	8.0	9.5
Overall	7.2	8.0

Pricing Comparison

Feature	GPT-5.4-Cyber (OpenAI)	Google Antigravity
Free Tier	No	Yes
Starting Price	Not publicly disclosed	$0

Which Should You Pick?

Pick GPT-5.4-Cyber (OpenAI) if...

✓Better value for money (7/10)

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 Google Antigravity if...

✓Easier to use (8 vs 5)
✓More features (9.5 vs 8)
✓Has a free tier

Developers working on large, multi-file projects who want to parallelize their workflow. If you regularly work on 3-5 tasks simultaneously (fix a bug, add a feature, write tests, refactor), Antigravity's multi-agent architecture is unmatched.

Visit Google Antigravity

Our Verdict

Google Antigravity edges out GPT-5.4-Cyber (OpenAI) with a 8.0 vs 7.2 overall score. Both are solid picks, but Google Antigravity has the advantage in features.