Google Antigravity vs Codex CLI

Comprehensive side-by-side comparison — features, pricing, performance, and more.

Data last refreshed August 2026

Google Antigravity

Google

Experience liftoff with the next-gen agent platform

Freemium

78% verification coverage

Codex CLI

OpenAI

Lightweight coding agent that runs in your terminal

Open Source

85% verification coverage

Trust & Reliability

Google Antigravity

Customers (per vendor):AirAsia, Accenture, CGI +1

Codex CLI

Uptime:99.95%Status page

Users:1M-10M

Customers (per vendor):NVIDIA, HeyGen, Cisco +7

GDPR

SOC 2

Overall Winner: Codex CLI

6.2/10 vs Google Antigravity at 4.3/10

Leads in:

Customization

Performance

Support

Scores are AI-estimated from publicly available data — not an independent test or a verified user rating. How we rank →

AI Comparison Summary

Google Antigravity

4.3

avg score

Codex CLI

6.2

avg score

Codex CLI leads overall — particularly in Support and Compliance & Data Protection and 1 more.

Based on 6 dimensions

Scores are AI-estimated from publicly available data — not an independent test or a verified user rating. How we rank →

Overall Winner

Codex CLI

6.2 / 10

Google Antigravity

Best For

Developers building agent-first applications

Fullstack developers creating production-ready applications

Enterprise developers needing secure, scalable agentic workflows

Frontend developers streamlining UX with browser-in-the-loop agents

Codex CLI

Best For

Developers who want an AI coding agent that runs locally in their terminal

Teams already on a ChatGPT Business or Enterprise plan wanting agentic coding included

Developers working in VS Code, Cursor or Windsurf who want the same agent in their IDE

* Verdict is based on our algorithmic scoring of publicly available data. Learn about our methodology

Google Antigravity is best for

✍️Writing & Content9.0💬Chat & Conversation9.0🔍Research8.0

Codex CLI is best for

✍️Writing & Content9.0💬Chat & Conversation9.0🔍Research8.0

Filter by your use case:

Limitations

Google Antigravity

Cons

Not available in all countries and territories
Third-party software access (e.g., Claude Code) is a Terms of Service violation for consumer plans
Wrapping CLI headless mode in third-party coding agents is not supported under consumer plans
Cannot use third-party software with Antigravity login
Enterprise plans are rolling out to select customers

Codex CLI

Cons

Requires a paid ChatGPT plan (Plus, Pro, Business, Edu or Enterprise) or an API key to use
Usage limits are governed by the underlying ChatGPT plan, not by the CLI itself
Support is via the open-source GitHub repository and the OpenAI help centre

Weighted Score — Adjust What Matters to You

Pick a profile or drag sliders — scores and radar update instantly on the right.

Quick profiles:

Ease of Use5

Customization5

Support5

Integration5

Compliance & Data Protection5

Performance5

Planning Quality5

Dimension Comparison

Google Antigravity

4.3

/ 10

Codex CLI

6.2

/ 10

Clear winner

Dimension Breakdown

Ease of Use

How intuitive is onboarding, UI navigation, and day-to-day usage for the target audience?

Google Antigravity

3.0

Codex CLI

3.0

Customization

Calculated

How much can users tailor workflows, settings, prompts, or outputs to their needs?

Google Antigravity

7.0

Codex CLI

8.0▲ +1.0

Support

How strong is the documentation, customer support, community, and learning resources?

Google Antigravity

5.0

Codex CLI

7.0▲ +2.0

Integration

Calculated

How well does it connect with other tools, APIs, and workflows?

Google Antigravity

4.0

Codex CLI

5.0▲ +1.0

Compliance & Data Protection

Calculated

Compliance certifications and data-protection posture, counted from ten verified signals: SOC 2 Type II, GDPR compliance, HIPAA, WCAG AA/AAA, PII redaction, licensed-only training, a published sub-processor list, a downloadable DPA, not training on user data, and a documented deletion path

Google Antigravity

2.0

Codex CLI

6.0▲ +4.0

Performance

Calculated

Latency + throughput speed

Google Antigravity

5.0

Codex CLI

8.0▲ +3.0

Planning Quality

Calculated

Multi-step planning depth + replanning capability

Google Antigravity

—

Codex CLI

—

Calculated = derived from structured signals (integration count, API/open-source config, compliance certs, response-time). AI = LLM-assessed from public website content. Methodology

Task Performance

Google Antigravity

Task

Codex CLI

9.0

Code Completion

5.0

7.0

Bug Detection

8.0

Code Explanation

8.0

Refactoring

8.0

Test Generation

8.0

Multi Language Support

8.0

9.0

Context Understanding

9.0

6.0

Documentation Generation

6.0

5.0

Performance Optimization

6.0

4.0

Security Scanning

7.0

3.0

Api Management

3.0

6.0

Ci Cd Integration

8.0

* Task scores (1–10) are algorithmically generated from publicly available data.

Data is sourced from public information and vendor websites. It may not always be up-to-date — verify pricing and features directly with the vendor before purchasing.Report inaccuracy

Frequently Asked Questions

What are the main differences between Google Antigravity and Codex CLI?

Google Antigravity — "Experience liftoff with the next-gen agent platform". Codex CLI — "Lightweight coding agent that runs in your terminal". The Features section on this page compares them side by side.

Who is Google Antigravity best for compared with Codex CLI?

Google Antigravity is best for Developers building agent-first applications; and for Fullstack developers creating production-ready applications. Codex CLI is best for Developers who want an AI coding agent that runs locally in their terminal; and for Teams already on a ChatGPT Business or Enterprise plan wanting agentic coding included.

How does the pricing of Google Antigravity compare with Codex CLI?

Google Antigravity is freemium, includes a free plan. Codex CLI is open source, includes a free plan, paid plans start at $8/month. Always verify current pricing with the vendor.

Does Google Antigravity or Codex CLI have a free plan?

Google Antigravity has a free plan. Codex CLI is open source. Always verify current pricing with the vendor.

Do Google Antigravity and Codex CLI offer an API?

Google Antigravity offers API access on its enterprise plans. Codex CLI offers a public API.

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