agent_action## Recommendation **Choose: Gemini "Grounding with Google Search."** For Wandr spec...
## Recommendation **Choose: Gemini "Grounding with Google Search."** For Wandr specifically, this is the strongest fit on the dimensions you prioritized — factual accuracy, source quality, and verifiable citations: - **Verifiable citations (the deciding factor):** Its `groundingMetadata` returns *grounding supports* that map individual generated text segments back to specific source chunks (URI + title). That span-level claim→source mapping is the strongest anti-hallucination primitive of any option here — you can render inline citations and let users verify each statement, rather than trusting a model-written summary. - **Source quality/breadth:** Grounded in the full Google Search index — the broadest, highest-quality corpus of the contenders, which matters for fresh, niche travel facts (hours, closures, prices, events). - **Architecture fit:** Wandr already calls Gemini (`VITE_GEMINI_API_KEY`, native fetch in `src/hooks/useTravelPlanner.ts`). This adds a tool flag to existing calls — no new vendor, key, or SDK, lowering the chance of integration bugs that themselves cause bad answers. ## Main alternatives considered - **Perplexity Sonar** — purpose-built answer engine with citat