Free Opus 4.5 via Antigravity
Access Claude's most powerful model at no cost through Google AI Studio
Google AI Studio
Claude Opus 4.5
Setup Time
5 min
Benefit
Use Claude Opus 4.5 without paying for Claude Pro
Tools in This Workflow
Step-by-Step
- 1Open your browser and go to aistudio.google.com/app/
- 2Sign in with your Google account (free)
- 3Look for 'Antigravity' in the agent/chat options
- 4Select Antigravity—this gives you access to Claude Opus 4.5
- 5Start chatting! You now have Opus-level reasoning for free
- 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