GPT-5.6 and Claude 5 API Pricing by Route
Compare route-specific GPT-5.6 and Claude 5 input and output prices through one OpenAI-compatible API gateway.
Frugal Relay keeps pricing transparent for OpenAI, Claude, Gemini and other provider-compatible models so developers can plan production AI costs with less guesswork.
Last reviewed on September 1, 2026. Prices are listed per 1M tokens as input / output.
| Model | Route | Frugal Relay price |
|---|---|---|
| GPT-5.6 Luna | Plus Account Route | $0.009 / $0.054 |
| Claude Sonnet 5 | Claude Sale Channel | $0.11 / $0.55 |
| Claude Opus 5 | Claude Sale Channel | $0.275 / $1.375 |
- GPT-5.6 and Claude access through one compatible API base URL.
- Every quoted price is tied to a named route.
- Usage-based billing that makes AI API cost optimization easier to audit.
Estimate a workload with the AI API cost calculator, return to Frugal Relay home, or read integration docs.