AI Gateway — Perplexity Sources Repro

Minimal reproduction for testing whether Perplexity citation/source data is forwarded through the Vercel AI Gateway via streamText.

Setup

pnpm install

Run

node test.mjs <AI_GATEWAY_API_KEY>

The script streams a response from perplexity/sonar through the AI Gateway and reports whether source parts appear in fullStream and result.sources.

Versions

• ai@6.0.50
• @ai-sdk/gateway@3.0.23