How to Run Claude Opus 5 & GPT-5.6 Sol for Free (No API Costs)
Run powerfull ai models like opus 5 and gpt 5.6 sol for free without API cost using Aerolink
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If you are building complex architectures, automating workflows, or writing full-stack applications, having access to frontier AI models directly in your terminal is a game-changer. However, running top-tier models can drain your API budget quickly.
Using Aerolink, a unique developer gateway, you can bypass these costs and receive up to $35 a week in free API credits. In this guide, we will configure both the Claude Code CLI (for Claude Opus 5) and the Codex CLI (for GPT-5.6 Sol) to route through Aerolink, giving you premium AI coding assistance entirely for free.
Secure Your Free Aerolink Account
Aerolink refreshes your balance with $5 every 5 hours, providing a consistent runway for daily development.
Open your browser and navigate to aerolink.lat.
Click on Sign Up (Authentication via Google is fully supported and recommended for speed).
Verify you are human if prompted.
Once logged in, navigate to your Dashboard. Your wallet balance will be initialized at $0, but the $5 refresh cycle begins immediately.
Generate Your Custom API Key
Install the CLIs
Configure Your Local Environments
Configuring Codex CLI (GPT-5.6 Sol)
Create config.toml
Start Building!
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