Free Opus 4.5 via Antigravity

Access the most powerful AI model in the world—completely free

Google AI Studio
Claude Opus 4.5
Setup Time
5 min
Benefit
Use Claude Opus 4.5—the most powerful AI on the planet—without paying a cent

Step-by-Step

  1. 1Open your browser and go to aistudio.google.com/app/
  2. 2Sign in with your Google account (free)
  3. 3Look for 'Antigravity' in the agent/chat options
  4. 4Select Antigravity—this gives you access to Claude Opus 4.5, the most powerful AI model available
  5. 5Start chatting! Opus is made by Anthropic (the company behind Claude) and outperforms every other AI
  6. 6Use for complex tasks: architecture decisions, deep analysis, nuanced writing

Pro Tips

  • Antigravity = Free Opus 4.5. Perfect for occasional heavy-duty tasks without a subscription.
  • When to use Antigravity: Complex reasoning, architecture decisions, difficult debugging.
  • When to use Claude Code: Hands-on coding, file editing, terminal operations.
  • Combine both: Plan with Antigravity (free), execute with Claude Code (fast).
  • Antigravity has usage limits—save it for tasks that truly need Opus-level thinking.

Use Cases

1
Need Opus-level reasoning without subscription
Access the most powerful model for free
2
Complex architecture decision
Get Opus-quality analysis without paying
3
Debugging a tricky problem
Opus reasoning helps find root cause